28475372640

Names of 28475372640

• Cardinal: 28475372640 can be written as Twenty-eight billion, four hundred seventy-five million, three hundred seventy-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.847537264 × 10¹⁰

Factors of 28475372640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1135

Divisors of 28475372640

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 16 17 20 22 23 24 26 30 32 33 34 39 40 44 46 48 51 52 55 60 65 66 68 69 78 80 85 88 92 96 102 104 110 115 120 130 132 136 138 143 156 160 165 170 176 184 187 195 204 208 220 221 230 240 253 255 260 264 272 276 286 299 312 330 340 345 352 368 374 390 391 408 416 429 440 442 460 480 506 510 520 528 544 552 561 572 598 624 660 663 680 690 715 736 748 759 780 782 816 858 880 884 897 920 935 1012 1020 1040 1056 1061 1104 1105 1122 1144 1173 1196 1248 1265 1320 1326 1360 1380 1430 1495 1496 1518 1560 1564 1632 1716 1760 1768 1794 1840 1870 1955 2024 2040 2080 2122 2145 2208 2210 2244 2288 2346 2392 2431 2530 2640 2652 2720 2760 2805 2860 2990 2992 3036 3120 3128 3183 3289 3315 3432 3536 3588 3680 3740 3795 3910 4048 4080 4244 4290 4301 4420 4485 4488 4576 4692 4784 4862 5060 5083 5280 5304 5305 5520 5610 5720 5865 5980 5984 6072 6240 6256 6366 6578 6630 6864 7072 7176 7293 7480 7590 7820 8096 8160 8488 8580 8602 8840 8970 8976 9384 9568 9724 9867 10120 10166 10608 10610 11040 11220 11440 11671 11730 11960 12144 12155 12512 12732 12903 13156 13260 13728 13793 14352 14586 14960 15180 15249 15640 15915 16445 16976 17160 17204 17680 17940 17952 18037 18768 19448 19734 20240 20332 21216 21220 21505 22440 22880 23342 23460 23920 24288 24310 24403 25415 25464 25806 26312 26520 27586 28704 29172 29920 30360 30498 31280 31830 32890 33952 34320 34408 35013 35360 35880 36074 36465 37536 38896 39468 40480 40664 41379 42440 43010 44880 46684 46920 47840 48620 48806 49335 50830 50928 51612 52624 53040 54111 55172 55913 58344 58355 60720 60996 62560 63660 64515 65780 68640 68816 68965 70026 71760 72148 72930 73209 76245 77792 78936 81328 82758 84880 86020 89760 90185 93368 93840 97240 97612 98670 101660 101856 103224 105248 106080 108222 110344 111826 116688 116710 121440 121992 122015 127320 129030 131560 137632 137930 140052 143520 144296 145860 146418 151723 152490 157872 162656 165516 167739 169760 172040 175065 180370 186736 187680 194480 195224 197340 198407 203320 206448 206895 216444 220688 223652 233376 233420 234481 243984 244030 254640 258060 263120 268433 270555 275860 279565 280104 288592 291720 292836 303446 304980 315744 317239 331032 335478 344080 350130 360740 366045 373472 388960 390448 394680 396814 406640 412896 413790 414851 432888 441376 447304 455169 466840 468962 487968 488060 509280 516120 526240 536866 541110 551720 559130 560208 577184 583440 585672 595221 606892 609960 634478 662064 670956 688160 700260 703443 721480 732090 758615 780896 789360 793628 805299 813280 827580 829702 838695 865776 894608 910338 933680 937924 951717 976120 992035 1032240 1073732 1082220 1103440 1118260 1120416 1166880 1171344 1172405 1190442 1213784 1219920 1244553 1268956 1324128 1341912 1342165 1400520 1406886 1442960 1464180 1517230 1578720 1586195 1587256 1610598 1655160 1659404 1677390 1731552 1789216 1820676 1867360 1875848 1903434 1952240 1984070 2064480 2074255 2147464 2164440 2206880 2236520 2275845 2342688 2344810 2380884 2427568 2439840 2489106 2537912 2579291 2683824 2684330 2801040 2813772 2885920 2928360 2976105 3034460 3172390 3174512 3221196 3310320 3318808 3354780 3489629 3517215 3641352 3751696 3806868 3904480 3968140 4026495 4148510 4294928 4328880 4473040 4551690 4563361 4689620 4758585 4761768 4855136 4978212 5075824 5158582 5367648 5368660 5393063 5602080 5627544 5856720 5952210 6068920 6222765 6344780 6349024 6442392 6620640 6637616 6709560 6979258 7034430 7282704 7503392 7613736 7737873 7936280 8052990 8297020 8589856 8657760 8946080 9103380 9126722 9379240 9517170 9523536 9956424 10151648 10317164 10468887 10737320 10786126 11255088 11713440 11904420 12137840 12445530 12689560 12884784 12896455 13275232 13419120 13690083 13958516 14068860 14565408 15227472 15475746 15872560 16105980 16179189 16594040 17448145 18206760 18253444 18758480 19034340 19047072 19912848 20634328 20937774 21474640 21572252 22510176 22816805 23808840 24275680 24891060 25379120 25769568 25792910 26838240 26965315 27380166 27917032 28137720 30454944 30951492 31745120 32211960 32358378 33188080 34896290 36413520 36506888 37516960 38068680 38689365 39825696 41268656 41875548 42949280 43144504 45633610 47617680 49782120 50758240 51585820 52344435 53930630 54760332 55834064 56275440 59323693 61902984 64423920 64716756 66376160 68450415 69792580 72827040 73013776 76137360 77378730 80895945 82537312 83751096 86289008 91267220 95235360 99564240 103171640 104688870 107861260 109520664 111668128 112550880 118647386 123805968 128847840 129433512 136900830 139585160 146027552 152274720 154757460 161791890 167502192 172578016 177971079 182534440 199128480 206343280 209377740 215722520 219041328 237294772 247611936 258867024 273801660 279170320 296618465 309514920 323583780 335004384 355942158 365068880 412686560 418755480 431445040 438082656 474589544 517734048 547603320 558340640 593236930 619029840 647167560 711884316 730137760 837510960 862890080 889855395 949179088 1095206640 1186473860 1238059680 1294335120 1423768632 1675021920 1779710790 1898358176 2190413280 2372947720 2588670240 2847537264 3559421580 4745895440 5695074528 7118843160 9491790880 14237686320 28475372640
• Sum of all divisors σ(n): 116538476544
• Sum of proper divisors (its aliquot sum) s(n): 88063103904
• 28475372640 is an abundant number, because the sum of its proper divisors (88063103904) is greater than itself. Its abundance is 59587731264

Bases of 28475372640

• Binary: 11010100001010000111011010001100000₂
• Hexadecimal: 0x6A143B460
• Base-36: D2XI25C

Squares and roots of 28475372640

• 28475372640 squared (28475372640²) is 810846846986860569600
• 28475372640 cubed (28475372640³) is 23089166121919915903082655744000
• The square root of 28475372640 is 168746.4744520607
• The cube root of 28475372640 is 3053.6772860347

Scales and comparisons

• 28,475,372,640 seconds is equal to 905 years, 22 weeks, 2 days, 1 hour, 44 minutes.
• To count from 1 to 28,475,372,640 would take you about one thousand, eight hundred ten 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 28475372640 cubic inches would be around 254.5 feet tall.

Recreational maths with 28475372640

• 28475372640 backwards is 04627357482
• 28475372640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28475372640's digits is 48
• More coming soon!