18999370803381472

Names of 18999370803381472

• Cardinal: 18999370803381472 can be written as Eighteen quadrillion, nine hundred ninety-nine trillion, three hundred seventy billion, eight hundred three million, three hundred eighty-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8999370803381472 × 10¹⁶

Factors of 18999370803381472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 891

Divisors of 18999370803381472

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 53 56 106 112 212 224 371 424 742 829 848 1484 1658 1696 2809 2968 3316 5618 5803 5936 6632 11236 11606 11872 13264 19663 22472 23212 26528 39326 43937 44944 46424 78652 87874 89888 92848 148877 157304 175748 185696 297754 307559 314608 351496 595508 615118 629216 687241 702992 1042139 1191016 1230236 1374482 1405984 2084278 2328661 2382032 2460472 2748964 4168556 4657322 4764064 4810687 4920944 5497928 8337112 9314644 9621374 9841888 10995856 16300627 16674224 18629288 19242748 21991712 32601254 33348448 36423773 37258576 38485496 65202508 72847546 74517152 76970992 123419033 130405016 145695092 153941984 246838066 254966411 260810032 291390184 493676132 509932822 521620064 569722789 582780368 863933231 987352264 1019865644 1139445578 1165560736 1727866462 1930459969 1974704528 2039731288 2278891156 3455732924 3860919938 3949409056 3988059523 4079462576 4557782312 6911465848 7721839876 7976119046 8158925152 9115564624 13513219783 13822931696 15443679752 15952238092 18231129248 27026439566 27645863392 30195307817 30887359504 31904476184 54052879132 60390615634 61774719008 63808952368 102314378357 108105758264 120781231268 127617904736 204628756714 211367154719 216211516528 241562462536 409257513428 422734309438 432423033056 483124925072 716200648499 818515026856 845468618876 966249850144 1432401296998 1600351314301 1637030053712 1690937237752 2864802593996 3200702628602 3274060107424 3381874475504 5729605187992 6401405257204 6763748951008 11202459200107 11459210375984 12802810514408 22404918400214 22918420751968 25605621028816 44809836800428 51211242057632 84818619657953 89619673600856 169637239315906 179239347201712 339274478631812 358478694403424 593730337605671 678548957263624 1187460675211342 1357097914527248 2374921350422684 2714195829054496 4749842700845368 9499685401690736 18999370803381472
• Sum of all divisors σ(n): 43623288523785600
• Sum of proper divisors (its aliquot sum) s(n): 24623917720404128
• 18999370803381472 is an abundant number, because the sum of its proper divisors (24623917720404128) is greater than itself. Its abundance is 5624546917022656

Bases of 18999370803381472

• Binary: 1000011011111111101001110111011101100010000010011100000₂
• Hexadecimal: 0x437FD3BBB104E0
• Base-36: 572PQGB46HS

Squares and roots of 18999370803381472

• 18999370803381472 squared (18999370803381472²) is 360976090924384320767069552886784
• 18999370803381472 cubed (18999370803381472³) is 6858318602627523016089954562599083850646379266048
• The square root of 18999370803381472 is 137838205.1659897087
• The cube root of 18999370803381472 is 266837.2193146019

Scales and comparisons

• 18,999,370,803,381,472 seconds is equal to 604,121,222 years, 33 weeks, 3 hours, 17 minutes, 52 seconds.
• To count from 1 to 18,999,370,803,381,472 would take you about one billion, eight hundred twelve million, three hundred sixty-three thousand, six hundred sixty-seven 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 18999370803381472 cubic inches would be around 22236.4 feet tall.

Recreational maths with 18999370803381472

• 18999370803381472 backwards is 27418330807399981
• The number of decimal digits it has is: 17
• The sum of 18999370803381472's digits is 82
• More coming soon!