72545688405663984

Names of 72545688405663984

• Cardinal: 72545688405663984 can be written as Seventy-two quadrillion, five hundred forty-five trillion, six hundred eighty-eight billion, four hundred five million, six hundred sixty-three thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 7.2545688405663984 × 10¹⁶

Factors of 72545688405663984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 144808710292

Divisors of 72545688405663984

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 71 72 84 98 112 126 142 144 147 168 196 213 252 284 294 336 392 426 441 497 504 568 588 639 784 852 882 994 1008 1136 1176 1278 1491 1704 1764 1988 2352 2556 2982 3408 3479 3528 3976 4473 5112 5964 6958 7056 7952 8946 10224 10437 11928 13916 17892 20874 23856 27832 31311 35784 41748 55664 62622 71568 83496 125244 166992 250488 500976 144808710209 289617420418 434426130627 579234840836 868852261254 1013660971463 1158469681672 1303278391881 1737704522508 2027321942926 2316939363344 2606556783762 3040982914389 3475409045016 4054643885852 5213113567524 6081965828778 6950818090032 7095626800241 8109287771704 9122948743167 10281418424839 10426227135048 12163931657556 14191253600482 16218575543408 18245897486334 20562836849678 20852454270096 21286880400723 24327863315112 28382507200964 30844255274517 36491794972668 41125673699356 42573760801446 48655726630224 56765014401928 61688510549034 63860641202169 71969928973873 72983589945336 82251347398712 85147521602892 92532765823551 113530028803856 123377021098068 127721282404338 143939857947746 145967179890672 164502694797424 170295043205784 185065531647102 215909786921619 246754042196136 255442564808676 287879715895492 340590086411568 370131063294204 431819573843238 493508084392272 503789502817111 510885129617352 575759431790984 647729360764857 740262126588408 863639147686476 1007579005634222 1021770259234704 1151518863581968 1295458721529714 1480524253176816 1511368508451333 1727278295372952 2015158011268444 2590917443059428 3022737016902666 3454556590745904 4030316022536888 4534105525353999 5181834886118856 6045474033805332 8060632045073776 9068211050707998 10363669772237712 12090948067610664 18136422101415996 24181896135221328 36272844202831992 72545688405663984
• Sum of all divisors σ(n): 239500863520841520
• Sum of proper divisors (its aliquot sum) s(n): 166955175115177536
• 72545688405663984 is an abundant number, because the sum of its proper divisors (166955175115177536) is greater than itself. Its abundance is 94409486709513552

Bases of 72545688405663984

• Binary: 100000001101110111110101101010011011001111110000011110000₂
• Hexadecimal: 0x101BBEB5367E0F0
• Base-36: JUBAT62KBG0

Squares and roots of 72545688405663984

• 72545688405663984 squared (72545688405663984²) is 5262876906251689796765251914752256
• 72545688405663984 cubed (72545688405663984³) is 381799028158299950560570364336962165574156541947904
• The square root of 72545688405663984 is 269343068.2339235253
• The cube root of 72545688405663984 is 417065.1183621853

Scales and comparisons

• 72,545,688,405,663,984 seconds is equal to 2,306,728,492 years, 39 weeks, 20 hours, 26 minutes, 24 seconds.
• To count from 1 to 72,545,688,405,663,984 would take you about six billion, nine hundred twenty million, one hundred eighty-five thousand, four hundred seventy-eight 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 72545688405663984 cubic inches would be around 34755.4 feet tall.

Recreational maths with 72545688405663984

• 72545688405663984 backwards is 48936650488654527
• The number of decimal digits it has is: 17
• The sum of 72545688405663984's digits is 90
• More coming soon!