18011924721563968

Names of 18011924721563968

• Cardinal: 18011924721563968 can be written as Eighteen quadrillion, eleven trillion, nine hundred twenty-four billion, seven hundred twenty-one million, five hundred sixty-three thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8011924721563968 × 10¹⁶

Factors of 18011924721563968

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 86

Divisors of 18011924721563968

• Number of divisors d(n): 196
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 71 104 142 169 208 284 338 416 568 676 832 923 1136 1352 1846 2197 2272 2704 3692 4394 4544 5041 5408 7384 8788 10082 10816 11999 14768 17576 20164 23998 29536 35152 40328 47996 59072 65533 70304 80656 95992 131066 140608 155987 161312 191984 262132 311974 322624 357911 383968 524264 623948 715822 767936 851929 1048528 1247896 1431644 1703858 2097056 2495792 2863288 3407716 4194112 4652843 4991584 5726576 6815432 9305686 9983168 11075077 11453152 13630864 18611372 22150154 22906304 25411681 27261728 37222744 44300308 50823362 54523456 60486959 74445488 88600616 101646724 120973918 148890976 177201232 203293448 241947836 297781952 330351853 354402464 406586896 483895672 660703706 708804928 786330467 813173792 967791344 1321407412 1572660934 1626347584 1804229351 1935582688 2642814824 3145321868 3608458702 3871165376 4294574089 5285629648 6290643736 7216917404 8589148178 10571259296 12581287472 14433834808 17178296356 21142518592 23454981563 25162574944 28867669616 34356592712 46909963126 50325149888 55829463157 57735339232 68713185424 93819926252 111658926314 115470678464 128100283921 137426370848 187639852504 223317852628 256200567842 274852741696 304914760319 375279705008 446635705256 512401135684 609829520638 750559410016 893271410512 1024802271368 1219659041276 1501118820032 1665303690973 1786542821024 2049604542736 2439318082552 3330607381946 3573085642048 3963891884147 4099209085472 4878636165104 6661214763892 7927783768294 8198418170944 9757272330208 13322429527784 15855567536588 19514544660416 21648947982649 26644859055568 31711135073176 43297895965298 53289718111136 63422270146352 86595791930596 106579436222272 126844540292704 173191583861192 253689080585408 281436323774437 346383167722384 562872647548874 692766335444768 1125745295097748 1385532670889536 2251490590195496 4502981180390992 9005962360781984 18011924721563968
• Sum of all divisors σ(n): 39272728843928020
• Sum of proper divisors (its aliquot sum) s(n): 21260804122364052
• 18011924721563968 is an abundant number, because the sum of its proper divisors (21260804122364052) is greater than itself. Its abundance is 3248879400800084

Bases of 18011924721563968

• Binary: 111111111111011100000000000110101111111111100101000000₂
• Hexadecimal: 0x3FFDC006BFF940
• Base-36: 4XCOZZH3R5S

Squares and roots of 18011924721563968

• 18011924721563968 squared (18011924721563968²) is 324429432175287226163423915905024
• 18011924721563968 cubed (18011924721563968³) is 5843598509801016612213525603257260732703428575232
• The square root of 18011924721563968 is 134208512.1054695547
• 18011924721563968 is a perfect cube number. Its cube root is 262132
• Being both a perfect square and a perfect cube, 18011924721563968 is also a perfect sixth number.

Scales and comparisons

• 18,011,924,721,563,968 seconds is equal to 572,723,491 years, 31 weeks, 3 days, 39 minutes, 28 seconds.
• To count from 1 to 18,011,924,721,563,968 would take you about one billion, seven hundred eighteen million, one hundred seventy thousand, four hundred seventy-four 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 18011924721563968 cubic inches would be around 21844.3 feet tall.

Recreational maths with 18011924721563968

• 18011924721563968 backwards is 86936512742911081
• The number of decimal digits it has is: 17
• The sum of 18011924721563968's digits is 73
• More coming soon!