28049387520

Names of 28049387520

• Cardinal: 28049387520 can be written as Twenty-eight billion, forty-nine million, three hundred eighty-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.804938752 × 10¹⁰

Factors of 28049387520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 28

Divisors of 28049387520

• Number of divisors d(n): 832
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 32 33 35 40 42 44 48 49 55 56 60 64 66 70 77 80 84 88 96 98 105 110 112 120 121 128 132 140 147 154 160 165 168 176 192 196 210 220 224 231 240 242 245 256 264 280 294 308 320 330 336 343 352 363 384 385 392 420 440 448 462 480 484 490 512 528 539 560 588 605 616 640 660 672 686 704 726 735 768 770 784 840 847 880 896 924 960 968 980 1024 1029 1056 1078 1120 1155 1176 1210 1232 1280 1320 1331 1344 1372 1408 1452 1470 1536 1540 1568 1617 1680 1694 1715 1760 1792 1815 1848 1920 1936 1960 2048 2058 2112 2156 2240 2310 2352 2420 2464 2541 2560 2640 2662 2688 2695 2744 2816 2904 2940 3072 3080 3136 3234 3360 3388 3430 3520 3584 3630 3696 3773 3840 3872 3920 3993 4096 4116 4224 4235 4312 4480 4620 4704 4840 4928 5082 5120 5145 5280 5324 5376 5390 5488 5632 5808 5880 5929 6144 6160 6272 6468 6655 6720 6776 6860 7040 7168 7260 7392 7546 7680 7744 7840 7986 8085 8232 8448 8470 8624 8960 9240 9317 9408 9680 9856 10164 10240 10290 10560 10648 10752 10780 10976 11264 11319 11616 11760 11858 12288 12320 12544 12705 12936 13310 13440 13552 13720 14080 14336 14520 14784 15092 15360 15488 15680 15972 16170 16464 16896 16940 17248 17787 17920 18480 18634 18816 18865 19360 19712 19965 20328 20480 20580 21120 21296 21504 21560 21952 22528 22638 23232 23520 23716 24640 25088 25410 25872 26620 26880 27104 27440 27951 28160 28672 29040 29568 29645 30184 30720 30976 31360 31944 32340 32928 33792 33880 34496 35574 35840 36960 37268 37632 37730 38720 39424 39930 40656 41160 41503 42240 42592 43008 43120 43904 45056 45276 46464 46585 47040 47432 49280 50176 50820 51744 53240 53760 54208 54880 55902 56320 56595 58080 59136 59290 60368 61440 61952 62720 63888 64680 65219 65856 67584 67760 68992 71148 71680 73920 74536 75264 75460 77440 78848 79860 81312 82320 83006 84480 85184 86016 86240 87808 88935 90552 92928 93170 94080 94864 98560 100352 101640 103488 106480 107520 108416 109760 111804 112640 113190 116160 118272 118580 120736 123904 124509 125440 127776 129360 130438 131712 135168 135520 137984 139755 142296 143360 147840 149072 150528 150920 154880 157696 159720 162624 164640 166012 168960 170368 172480 175616 177870 181104 185856 186340 188160 189728 195657 197120 200704 203280 206976 207515 212960 215040 216832 219520 223608 225280 226380 232320 236544 237160 241472 247808 249018 250880 255552 258720 260876 263424 271040 275968 279510 284592 295680 298144 301056 301840 309760 315392 319440 325248 326095 329280 332024 337920 340736 344960 351232 355740 362208 371712 372680 376320 379456 391314 394240 406560 413952 415030 425920 430080 433664 439040 447216 452760 456533 464640 473088 474320 482944 495616 498036 501760 511104 517440 521752 526848 542080 551936 559020 569184 591360 596288 602112 603680 619520 622545 638880 650496 652190 658560 664048 675840 681472 689920 702464 711480 724416 743424 745360 752640 758912 782628 788480 813120 827904 830060 851840 867328 878080 894432 905520 913066 929280 946176 948640 965888 978285 996072 1003520 1022208 1034880 1043504 1053696 1084160 1103872 1118040 1138368 1182720 1192576 1207360 1239040 1245090 1277760 1300992 1304380 1317120 1328096 1362944 1369599 1379840 1404928 1422960 1448832 1486848 1490720 1505280 1517824 1565256 1576960 1626240 1655808 1660120 1703680 1734656 1756160 1788864 1811040 1826132 1858560 1897280 1931776 1956570 1992144 2044416 2069760 2087008 2107392 2168320 2207744 2236080 2276736 2282665 2365440 2385152 2414720 2478080 2490180 2555520 2601984 2608760 2634240 2656192 2725888 2739198 2759680 2845920 2897664 2981440 3010560 3035648 3130512 3252480 3311616 3320240 3407360 3469312 3512320 3577728 3622080 3652264 3717120 3794560 3863552 3913140 3984288 4088832 4139520 4174016 4214784 4336640 4472160 4553472 4565330 4730880 4770304 4829440 4980360 5111040 5203968 5217520 5268480 5312384 5451776 5478396 5519360 5691840 5795328 5962880 6071296 6261024 6504960 6623232 6640480 6814720 6847995 7024640 7155456 7244160 7304528 7434240 7589120 7727104 7826280 7968576 8177664 8279040 8348032 8673280 8944320 9106944 9130660 9540608 9658880 9960720 10222080 10407936 10435040 10536960 10624768 10956792 11038720 11383680 11590656 11925760 12142592 12522048 13009920 13280960 13629440 13695990 14310912 14488320 14609056 15178240 15454208 15652560 15937152 16355328 16558080 16696064 17346560 17888640 18213888 18261320 19081216 19317760 19921440 20444160 20870080 21073920 21249536 21913584 22767360 23181312 23851520 24285184 25044096 26019840 26561920 27258880 27391980 28621824 28976640 29218112 30356480 31305120 31874304 33116160 33392128 35777280 36427776 36522640 38162432 38635520 39842880 40888320 41740160 42499072 43827168 45534720 46362624 47703040 50088192 52039680 53123840 54783960 57243648 57953280 58436224 60712960 62610240 63748608 66784256 71554560 72855552 73045280 77271040 79685760 81776640 83480320 84998144 87654336 91069440 95406080 100176384 106247680 109567920 114487296 115906560 116872448 121425920 125220480 127497216 133568512 143109120 146090560 159371520 166960640 169996288 175308672 182138880 190812160 200352768 212495360 219135840 231813120 233744896 250440960 254994432 267137024 286218240 292181120 318743040 333921280 350617344 364277760 400705536 424990720 438271680 467489792 500881920 509988864 572436480 584362240 637486080 667842560 701234688 801411072 849981440 876543360 934979584 1001763840 1168724480 1274972160 1335685120 1402469376 1753086720 1869959168 2003527680 2337448960 2549944320 2804938752 3506173440 4007055360 4674897920 5609877504 7012346880 9349795840 14024693760 28049387520
• Sum of all divisors σ(n): 115119590400
• Sum of proper divisors (its aliquot sum) s(n): 87070202880
• 28049387520 is an abundant number, because the sum of its proper divisors (87070202880) is greater than itself. Its abundance is 59020815360

Bases of 28049387520

• Binary: 11010000111110111111011000000000000₂
• Hexadecimal: 0x687DFB000
• Base-36: CVVVPXC

Squares and roots of 28049387520

• 28049387520 squared (28049387520²) is 786768140247131750400
• 28049387520 cubed (28049387520³) is 22068364454181507035465515008000
• The square root of 28049387520 is 167479.5137322771
• The cube root of 28049387520 is 3038.3732755751

Scales and comparisons

• 28,049,387,520 seconds is equal to 891 years, 45 weeks, 6 days, 16 hours, 32 minutes.
• To count from 1 to 28,049,387,520 would take you about one thousand, seven hundred eighty-three 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 28049387520 cubic inches would be around 253.2 feet tall.

Recreational maths with 28049387520

• 28049387520 backwards is 02578394082
• 28049387520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28049387520's digits is 48
• More coming soon!