18031004299728

Names of 18031004299728

• Cardinal: 18031004299728 can be written as Eighteen trillion, thirty-one billion, four million, two hundred ninety-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8031004299728 × 10¹³

Factors of 18031004299728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 29595

Divisors of 18031004299728

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 189 216 252 281 336 378 432 504 562 743 756 843 1008 1124 1486 1512 1686 1967 2229 2248 2529 2972 3024 3372 3934 4458 4496 5058 5201 5901 5944 6687 6744 7587 7868 8916 10116 10402 11802 11888 13374 13488 15174 15603 15736 17703 17832 20061 20232 20804 23604 26748 28559 30348 31206 31472 35406 35664 40122 40464 41608 46809 47208 53109 53496 57118 60696 62412 70812 80244 83216 85677 93618 94416 106218 106992 114236 121392 124824 140427 141624 160488 171354 187236 199913 208783 212436 228472 249648 257031 280854 283248 320976 342708 374472 399826 417566 424872 456944 514062 561708 599739 626349 685416 748944 771093 799652 835132 849744 1028124 1123416 1199478 1252698 1370832 1461481 1542186 1599304 1670264 1799217 1879047 2056248 2246832 2398956 2505396 2922962 3084372 3198608 3340528 3598434 3758094 4112496 4384443 4797912 5010792 5397651 5637141 5845924 6168744 7196868 7516188 8025079 8768886 9595824 10021584 10795302 11274282 11691848 12337488 13153329 14393736 15032376 16050158 17537772 21219337 21590604 22548564 23383696 24075237 26306658 28787472 30064752 32100316 35075544 39459987 42438674 43181208 45097128 48150474 52613316 56175553 63658011 64200632 70151088 72225711 78919974 84877348 86362416 90194256 96300948 105226632 112351106 127316022 128401264 144451422 148535359 157839948 168526659 169754696 190974033 192601896 210453264 216677133 224702212 254632044 288902844 297070718 315679896 337053318 339509392 381948066 385203792 433354266 445606077 449404424 505579977 509264088 572922099 577805688 594141436 631359792 674106636 763896132 866708532 891212154 898808848 1011159954 1018528176 1145844198 1155611376 1188282872 1336818231 1348213272 1516739931 1527792264 1733417064 1782424308 2022319908 2291688396 2376565744 2673636462 2696426544 3033479862 3055584528 3466834128 3564848616 4010454693 4044639816 4583376792 5347272924 5962633697 6066959724 7129697232 8020909386 8089279632 9166753584 10694545848 11925267394 12133919448 16041818772 17887901091 21389091696 23850534788 24267838896 32083637544 35775802182 41738435879 47701069576 53663703273 64167275088 71551604364 83476871758 95402139152 107327406546 125215307637 143103208728 160991109819 166953743516 214654813092 250430615274 286206417456 321982219638 333907487032 375645922911 429309626184 500861230548 643964439276 667814974064 751291845822 858619252368 1001722461096 1126937768733 1287928878552 1502583691644 2003444922192 2253875537466 2575857757104 3005167383288 4507751074932 6010334766576 9015502149864 18031004299728
• Sum of all divisors σ(n): 59441795481600
• Sum of proper divisors (its aliquot sum) s(n): 41410791181872
• 18031004299728 is an abundant number, because the sum of its proper divisors (41410791181872) is greater than itself. Its abundance is 23379786882144

Bases of 18031004299728

• Binary: 100000110011000101011100110110011000111010000₂
• Hexadecimal: 0x10662B9B31D0
• Base-36: 6E3BUEVO0

Squares and roots of 18031004299728

• 18031004299728 squared (18031004299728²) is 325117116056809623660873984
• 18031004299728 cubed (18031004299728³) is 5862188117535501512943148329626373476352
• The square root of 18031004299728 is 4246293.0068152387
• The cube root of 18031004299728 is 26222.4523946551

Scales and comparisons

• 18,031,004,299,728 seconds is equal to 573,330 years, 8 weeks, 3 days, 9 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,031,004,299,728 would take you about one million, four hundred thirty-three thousand, three hundred twenty-five 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 18031004299728 cubic inches would be around 2185.2 feet tall.

Recreational maths with 18031004299728

• 18031004299728 backwards is 82799240013081
• 18031004299728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18031004299728's digits is 54
• More coming soon!