28012790400

Names of 28012790400

• Cardinal: 28012790400 can be written as Twenty-eight billion, twelve million, seven hundred ninety thousand, four hundred.

Scientific notation

• Scientific notation: 2.80127904 × 10¹⁰

Factors of 28012790400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 178

Divisors of 28012790400

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 25 28 30 31 32 34 35 40 42 48 49 50 51 56 60 62 64 68 70 75 80 84 85 93 96 98 100 102 105 112 113 119 120 124 128 136 140 147 150 155 160 168 170 175 186 192 196 200 204 210 217 224 226 238 240 245 248 255 272 280 294 300 310 320 336 339 340 350 357 372 384 392 400 408 420 425 434 448 452 465 476 480 490 496 510 525 527 544 560 565 588 595 600 620 640 651 672 678 680 700 714 735 744 775 784 791 800 816 833 840 850 868 896 904 930 952 960 980 992 1020 1050 1054 1085 1088 1120 1130 1176 1190 1200 1225 1240 1275 1302 1344 1356 1360 1400 1428 1470 1488 1519 1550 1568 1581 1582 1600 1632 1666 1680 1695 1700 1736 1785 1808 1860 1904 1920 1921 1960 1984 2040 2100 2108 2170 2176 2240 2260 2325 2352 2373 2380 2400 2450 2480 2499 2550 2604 2635 2688 2712 2720 2800 2825 2856 2940 2975 2976 3038 3100 3136 3162 3164 3200 3255 3264 3332 3360 3390 3400 3472 3503 3570 3616 3675 3689 3720 3808 3842 3920 3955 3968 4080 4165 4200 4216 4340 4480 4520 4557 4650 4704 4746 4760 4800 4900 4960 4998 5100 5208 5270 5424 5425 5440 5537 5600 5650 5712 5763 5880 5950 5952 6076 6200 6272 6324 6328 6510 6528 6664 6720 6780 6800 6944 7006 7140 7232 7350 7378 7440 7595 7616 7684 7840 7905 7910 8160 8330 8400 8432 8475 8680 8925 9040 9114 9300 9408 9492 9520 9600 9605 9800 9920 9996 10200 10416 10509 10540 10848 10850 10880 11067 11074 11200 11300 11424 11526 11760 11865 11900 11904 12152 12400 12495 12648 12656 13020 13175 13328 13440 13447 13560 13600 13888 14012 14280 14464 14700 14756 14880 15190 15232 15368 15680 15810 15820 16275 16320 16611 16660 16800 16864 16950 17360 17515 17850 18080 18228 18445 18600 18816 18984 19040 19210 19600 19775 19840 19992 20400 20825 20832 21018 21080 21696 21700 22134 22148 22400 22600 22785 22848 23052 23520 23730 23800 24304 24521 24800 24990 25296 25312 25823 26040 26350 26656 26894 27120 27200 27685 27776 28024 28560 28815 29400 29512 29760 30380 30736 31360 31620 31640 32550 32640 33222 33320 33600 33728 33900 34720 35030 35700 36160 36456 36890 37200 37968 37975 38080 38420 39200 39525 39550 39984 40341 40800 41650 41664 42036 42160 43392 43400 44268 44296 45200 45570 45696 46104 47040 47460 47600 48025 48608 49042 49600 49980 50592 50624 51646 52080 52545 52700 53312 53788 54240 54400 55335 55370 56048 57120 57630 58800 59024 59325 59520 59551 60760 61472 62475 63240 63280 65100 66444 66640 67200 67235 67456 67800 69440 70060 71400 72320 72912 73563 73780 74400 75936 75950 76160 76840 77469 78400 79050 79100 79968 80682 81600 83055 83300 83328 84072 84320 86800 87575 88536 88592 90400 91140 92208 92225 94080 94129 94920 95200 96050 97216 98084 99200 99960 101184 101248 103292 104160 105090 105400 106624 107576 108480 110670 110740 112096 113925 114240 115260 117600 118048 118650 119102 121520 122605 122944 124950 126480 126560 129115 130200 132888 133280 134470 135600 138425 138880 140120 142800 144075 145824 147126 147560 148800 151872 151900 153680 154938 156800 158100 158200 159936 161364 163200 166110 166600 168144 168640 171647 173600 175150 177072 177184 178653 180800 182280 184416 184450 188258 189840 190400 192100 194432 196168 199920 201705 202368 206584 208320 210180 210800 215152 216960 221340 221480 224192 227850 228480 230520 235200 236096 237300 238204 243040 245210 245888 249900 252960 253120 258230 260400 262725 265776 266560 268940 271200 276675 276850 280240 282387 285600 288150 291648 294252 295120 297600 297755 303744 303800 307360 309876 316200 316400 319872 322728 332220 333200 336175 336288 337280 343294 347200 350300 354144 354368 357306 361600 364560 367815 368832 368900 376516 379680 380800 384200 387345 392336 399840 403410 413168 415275 416640 416857 420360 421600 430304 442680 442960 448384 455700 461040 470400 470645 472192 474600 476408 486080 490420 499800 505920 506240 514941 516460 520800 525450 531552 533120 537880 542400 553350 553700 560480 564774 571200 576300 583296 588504 590240 595510 607600 613025 614720 619752 632400 632800 645456 645575 664440 666400 672350 672576 686588 694400 700600 708288 708736 714612 729120 735630 737664 737800 753032 759360 768400 774690 784672 799680 806820 826336 830550 833714 840720 843200 858235 860608 885360 885920 893265 911400 922080 941290 949200 952816 972160 980840 999600 1008525 1011840 1029882 1032920 1041600 1050900 1063104 1075760 1084800 1106700 1107400 1120960 1129548 1142400 1152600 1177008 1180480 1191020 1215200 1226050 1229440 1239504 1250571 1264800 1265600 1290912 1291150 1328880 1332800 1344700 1345152 1373176 1401200 1411935 1416576 1429224 1458240 1471260 1475600 1488775 1506064 1518720 1536800 1549380 1569344 1599360 1613640 1652672 1661100 1667428 1681440 1686400 1716470 1721216 1770720 1771840 1786530 1822800 1839075 1844160 1882580 1898400 1905632 1936725 1961680 1999200 2017050 2059764 2065840 2083200 2084285 2101800 2126208 2151520 2213400 2214800 2241920 2259096 2305200 2353225 2354016 2360960 2382040 2430400 2452100 2479008 2501142 2529600 2531200 2574705 2581824 2582300 2657760 2665600 2689400 2746352 2802400 2823870 2858448 2916480 2917999 2942520 2951200 2977550 3012128 3073600 3098760 3138688 3227280 3305344 3322200 3334856 3362880 3432940 3541440 3543680 3573060 3645600 3678150 3688320 3765160 3796800 3811264 3873450 3923360 3998400 4034100 4119528 4131680 4168570 4203600 4291175 4303040 4426800 4429600 4466325 4518192 4610400 4706450 4708032 4764080 4860800 4904200 4958016 5002284 5059200 5149410 5163648 5164600 5315520 5378800 5492704 5604800 5647740 5716896 5835998 5885040 5902400 5955100 6024256 6147200 6197520 6252855 6454560 6644400 6669712 6725760 6865880 7059675 7082880 7146120 7291200 7356300 7530320 7593600 7622528 7746900 7846720 7996800 8068200 8239056 8263360 8337140 8407200 8582350 8606080 8753997 8853600 8859200 8932650 9036384 9220800 9412900 9416064 9528160 9808400 9916032 10004568 10298820 10329200 10421425 10631040 10757600 10985408 11209600 11295480 11433792 11671996 11770080 11804800 11910200 12048512 12395040 12505710 12873525 12909120 13288800 13339424 13731760 14119350 14292240 14582400 14589995 14712600 15060640 15493800 15693440 16136400 16478112 16526720 16674280 16814400 17164700 17507994 17707200 17718400 17865300 18072768 18441600 18825800 19056320 19616800 20009136 20597640 20658400 20842850 21515200 21970816 22590960 22867584 23343992 23540160 23820400 24790080 25011420 25747050 25818240 26577600 26678848 27463520 28238700 28584480 29179990 29425200 30121280 30987600 31264275 32272800 32956224 33348560 33628800 34329400 35015988 35414400 35730600 36145536 37651600 38112640 39233600 40018272 41195280 41316800 41685700 43030400 43769985 45181920 46687984 47080320 47640800 49580160 50022840 51494100 53155200 53357696 54927040 56477400 57168960 58359980 58850400 60242560 61975200 62528550 64545600 65912448 66697120 68658800 70031976 71461200 72949975 75303200 78467200 80036544 82390560 82633600 83371400 87539970 90363840 93375968 95281600 100045680 102988200 109854080 112954800 114337920 116719960 117700800 123950400 125057100 129091200 133394240 137317600 140063952 142922400 145899950 150606400 160073088 164781120 166742800 175079940 180727680 186751936 190563200 200091360 205976400 218849925 225909600 233439920 235401600 247900800 250114200 266788480 274635200 280127904 285844800 291799900 301212800 329562240 333485600 350159880 373503872 400182720 411952800 437699850 451819200 466879840 500228400 549270400 560255808 571689600 583599800 666971200 700319760 800365440 823905600 875399700 903638400 933759680 1000456800 1120511616 1167199600 1333942400 1400639520 1647811200 1750799400 1867519360 2000913600 2334399200 2801279040 3501598800 4001827200 4668798400 5602558080 7003197600 9337596800 14006395200 28012790400
• Sum of all divisors σ(n): 118348853760
• Sum of proper divisors (its aliquot sum) s(n): 90336063360
• 28012790400 is an abundant number, because the sum of its proper divisors (90336063360) is greater than itself. Its abundance is 62323272960

Bases of 28012790400

• Binary: 11010000101101100010100001010000000₂
• Hexadecimal: 0x685B14280
• Base-36: CVA3BEO

Squares and roots of 28012790400

• 28012790400 squared (28012790400²) is 784716425994332160000
• 28012790400 cubed (28012790400³) is 21982096764816338386059264000000
• The square root of 28012790400 is 167370.2195732563
• The cube root of 28012790400 is 3037.0512727705

Scales and comparisons

• 28,012,790,400 seconds is equal to 890 years, 37 weeks, 3 days, 2 hours, 40 minutes.
• To count from 1 to 28,012,790,400 would take you about one thousand, seven hundred eighty-one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 28012790400 cubic inches would be around 253.1 feet tall.

Recreational maths with 28012790400

• 28012790400 backwards is 00409721082
• The number of decimal digits it has is: 11
• The sum of 28012790400's digits is 33
• More coming soon!