28025992800

Names of 28025992800

• Cardinal: 28025992800 can be written as Twenty-eight billion, twenty-five million, nine hundred ninety-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.80259928 × 10¹⁰

Factors of 28025992800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 240

Divisors of 28025992800

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 30 32 36 39 40 41 45 48 50 52 60 65 67 72 75 78 80 82 90 96 100 104 109 117 120 123 130 134 144 150 156 160 164 180 195 200 201 205 208 218 225 234 240 246 260 268 288 300 312 325 327 328 335 360 369 390 400 402 410 416 436 450 468 480 492 520 533 536 545 585 600 603 615 624 650 654 656 670 720 738 780 800 804 820 871 872 900 936 975 981 984 1005 1025 1040 1066 1072 1090 1170 1200 1206 1230 1248 1300 1308 1312 1340 1417 1440 1476 1560 1599 1608 1635 1640 1675 1742 1744 1800 1845 1872 1950 1962 1968 2010 2050 2080 2132 2144 2180 2340 2400 2412 2460 2600 2613 2616 2665 2680 2725 2747 2834 2925 2952 3015 3075 3120 3198 3216 3270 3280 3350 3484 3488 3600 3690 3744 3900 3924 3936 4020 4100 4251 4264 4355 4360 4469 4680 4797 4824 4905 4920 5025 5200 5226 5232 5330 5360 5450 5494 5668 5850 5904 6030 6150 6240 6396 6432 6540 6560 6700 6968 7085 7200 7303 7380 7800 7839 7848 7995 8040 8175 8200 8241 8502 8528 8710 8720 8938 9225 9360 9594 9648 9810 9840 10050 10400 10452 10464 10660 10720 10900 10988 11336 11700 11808 12060 12300 12753 12792 13065 13080 13325 13400 13407 13735 13936 14170 14606 14760 15075 15600 15678 15696 15990 16080 16350 16400 16482 17004 17056 17420 17440 17876 18450 18720 19188 19296 19620 19680 20100 20904 21255 21320 21775 21800 21909 21976 22345 22672 23400 23985 24120 24525 24600 24723 25506 25584 26130 26160 26650 26800 26814 27470 27872 28340 29212 29520 30150 31200 31356 31392 31980 32160 32700 32800 32964 34008 34840 35425 35711 35752 36515 36900 38376 39195 39240 39975 40200 40221 41205 41808 42510 42640 43550 43600 43818 43952 44690 45344 46800 47970 48240 49050 49200 49446 51012 51168 52260 52320 53300 53600 53628 54940 56680 58097 58424 59040 60300 62712 63765 63960 65325 65400 65727 65928 67035 68016 68675 69680 70850 71422 71504 73030 73800 76752 78390 78480 79950 80400 80442 82410 83616 85020 85280 87100 87200 87636 87904 89380 93600 94939 95940 96480 98100 98400 98892 102024 104520 106275 106600 107133 107256 109545 109880 111725 113360 116194 116848 119925 120600 123615 125424 127530 127920 130650 130800 131454 131856 134070 136032 137350 139360 141700 142844 143008 146060 147600 153504 156780 156960 159900 160800 160884 164820 170040 174200 174291 175272 178555 178760 182575 189878 191880 195975 196200 197784 201105 204048 206025 209040 212550 213200 214266 214512 219090 219760 223450 226720 232388 233696 239850 241200 247230 250848 255060 255840 261300 261600 262908 263712 268140 274700 283400 284817 285688 290485 292120 295200 299423 313560 318825 319800 321399 321768 328635 329640 335175 340080 348400 348582 350544 357110 357520 365150 379756 383760 391950 392400 395568 402210 408096 412050 418080 425100 426400 428532 429024 438180 439520 446900 464776 474695 479700 482400 494460 510120 522600 522873 525816 535665 536280 547725 549400 566800 569634 571376 580970 584240 598846 618075 627120 637650 639600 642798 643536 657270 659280 670350 680160 696800 697164 701088 714220 715040 730300 759512 767520 783900 784800 791136 804420 824100 850200 854451 857064 871455 876360 892775 893800 898269 929552 949390 959400 988920 1005525 1020240 1045200 1045746 1051632 1071330 1072560 1095450 1098800 1133600 1139268 1142752 1161940 1168480 1197692 1236150 1254240 1275300 1279200 1285596 1287072 1314540 1318560 1340700 1394328 1424085 1428440 1452425 1460600 1497115 1519024 1567800 1606995 1608840 1643175 1648200 1700400 1708902 1714128 1742910 1752720 1785550 1787600 1796538 1859104 1898780 1918800 1977840 2011050 2040480 2090400 2091492 2103264 2142660 2145120 2190900 2197600 2278536 2323880 2373475 2395384 2472300 2550600 2571192 2614365 2629080 2678325 2681400 2694807 2788656 2848170 2856880 2904850 2921200 2994230 3038048 3135600 3213990 3217680 3286350 3296400 3400800 3417804 3428256 3485820 3505440 3571100 3575200 3593076 3797560 3837600 3892499 3955680 4022100 4182984 4272255 4285320 4357275 4381800 4491345 4557072 4647760 4746950 4790768 4944600 5101200 5142384 5228730 5258160 5356650 5362800 5389614 5577312 5696340 5713760 5809700 5842400 5988460 6271200 6427980 6435360 6572700 6592800 6835608 6971640 7120425 7142200 7186152 7485575 7595120 7784998 8034975 8044200 8365968 8544510 8570640 8714550 8763600 8982690 9114144 9295520 9493900 9581536 9889200 10202400 10284768 10457460 10516320 10713300 10725600 10779228 11392680 11619400 11677497 11976920 12855960 13071825 13145400 13474035 13671216 13943280 14240850 14284400 14372304 14971150 15190240 15569996 16069950 16088400 16731936 17089020 17141280 17429100 17527200 17965380 18987800 19462495 19778400 20914920 21361275 21426600 21558456 22456725 22785360 23238800 23354994 23953840 25711920 26143650 26290800 26948070 27342432 27886560 28481700 28568800 28744608 29942300 31139992 32139900 32176800 34178040 34858200 35032491 35930760 37975600 38924990 41829840 42722550 42853200 43116912 44913450 45570720 46477600 46709988 47907680 51423840 52287300 52581600 53896140 56963400 58387485 59884600 62279984 64279800 67370175 68356080 69716400 70064982 71861520 75951200 77849980 83659680 85445100 85706400 86233824 89826900 93419976 97312475 104574600 107792280 113926800 116774970 119769200 124559968 128559600 134740350 136712160 139432800 140129964 143723040 155699960 170890200 175162455 179653800 186839952 194624950 209149200 215584560 227853600 233549940 239538400 257119200 269480700 280259928 291937425 311399920 341780400 350324910 359307600 373679904 389249900 418298400 431169120 467099880 538961400 560519856 583874850 622799840 683560800 700649820 718615200 778499800 875812275 934199760 1077922800 1121039712 1167749700 1401299640 1556999600 1751624550 1868399520 2155845600 2335499400 2802599280 3113999200 3503249100 4670998800 5605198560 7006498200 9341997600 14012996400 28025992800
• Sum of all divisors σ(n): 111666915360
• Sum of proper divisors (its aliquot sum) s(n): 83640922560
• 28025992800 is an abundant number, because the sum of its proper divisors (83640922560) is greater than itself. Its abundance is 55614929760

Bases of 28025992800

• Binary: 11010000110011110101011011001100000₂
• Hexadecimal: 0x6867AB660
• Base-36: CVHYAG0

Squares and roots of 28025992800

• 28025992800 squared (28025992800²) is 785456272425651840000
• 28025992800 cubed (28025992800³) is 22013191835716157003146752000000
• The square root of 28025992800 is 167409.6556355099
• The cube root of 28025992800 is 3037.5283175737

Scales and comparisons

• 28,025,992,800 seconds is equal to 891 years, 7 weeks, 1 day, 22 hours.
• To count from 1 to 28,025,992,800 would take you about one thousand, seven hundred eighty-two 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 28025992800 cubic inches would be around 253.1 feet tall.

Recreational maths with 28025992800

• 28025992800 backwards is 00829952082
• 28025992800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28025992800's digits is 45
• More coming soon!