18004918985532128

Names of 18004918985532128

• Cardinal: 18004918985532128 can be written as Eighteen quadrillion, four trillion, nine hundred eighteen billion, nine hundred eighty-five million, five hundred thirty-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8004918985532128 × 10¹⁶

Factors of 18004918985532128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 695

Divisors of 18004918985532128

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 104 169 208 271 338 409 416 542 676 818 1084 1352 1636 2168 2704 3272 3523 4336 5317 5408 6544 7046 8672 10634 13088 14092 21268 28184 42536 45799 56368 69121 73441 85072 91598 110839 112736 138242 146882 167281 170144 183196 221678 276484 293764 334562 366392 443356 552968 587528 669124 732784 886712 954733 1105936 1175056 1338248 1440907 1465568 1773424 1909466 2174653 2211872 2350112 2676496 2881814 3546848 3818932 4349306 5352992 5763628 7637864 8698612 11527256 12411529 15275728 17397224 18731791 19902511 23054512 24823058 28270489 30037369 30551456 34794448 37463582 39805022 45333151 46109024 49646116 56540978 60074738 69588896 74927164 79610044 90666302 99292232 113081956 120149476 149854328 159220088 181332604 198584464 226163912 240298952 258732643 299708656 318440176 362665208 390485797 397168928 452327824 480597904 517465286 589330963 599417312 636880352 725330416 780971594 904655648 961195808 1034930572 1178661926 1450660832 1561943188 2069861144 2357323852 3123886376 3363524359 4139722288 4714647704 5076315361 6247772752 6727048718 7661302519 8140126999 8279444576 9429295408 10152630722 12285283921 12495545504 13454097436 15322605038 16280253998 18858590816 20305261444 24570567842 26908194872 30645210076 32560507996 40610522888 49141135684 53816389744 61290420152 65121015992 81221045776 98282271368 105821650987 107632779488 122580840304 130242031984 159708690973 162442091552 196564542736 211643301974 245161680608 260484063968 319417381946 393129085472 423286603948 638834763892 846573207896 1277669527784 1375681462831 1693146415792 2076212982649 2555339055568 2751362925662 3329311942591 3386292831584 4152425965298 5110678111136 5502725851324 6658623885182 8304851930596 11005451702648 13317247770364 16609703861192 22010903405296 26634495540728 33219407722384 43281055253683 44021806810592 53268991081456 66438815444768 86562110507366 106537982162912 173124221014732 346248442029464 562653718297879 692496884058928 1125307436595758 1384993768117856 2250614873191516 4501229746383032 9002459492766064 18004918985532128
• Sum of all divisors σ(n): 38620224412400736
• Sum of proper divisors (its aliquot sum) s(n): 20615305426868608
• 18004918985532128 is an abundant number, because the sum of its proper divisors (20615305426868608) is greater than itself. Its abundance is 2610386441336480

Bases of 18004918985532128

• Binary: 111111111101110110000011100000010101111010001011100000₂
• Hexadecimal: 0x3FF760E057A2E0
• Base-36: 4XA7LLER4RK

Squares and roots of 18004918985532128

• 18004918985532128 squared (18004918985532128²) is 324177107675575273284583320208384
• 18004918985532128 cubed (18004918985532128³) is 5836782560662858174711346048856645990786086961152
• The square root of 18004918985532128 is 134182409.3744486613
• The cube root of 18004918985532128 is 262098.0101891733

Scales and comparisons

• 18,004,918,985,532,128 seconds is equal to 572,500,730 years, 45 weeks, 1 day, 6 hours, 2 minutes, 8 seconds.
• To count from 1 to 18,004,918,985,532,128 would take you about one billion, seven hundred seventeen million, five hundred two thousand, one hundred ninety-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 18004918985532128 cubic inches would be around 21841.5 feet tall.

Recreational maths with 18004918985532128

• 18004918985532128 backwards is 82123558981940081
• The number of decimal digits it has is: 17
• The sum of 18004918985532128's digits is 74
• More coming soon!