64915309701801216

Names of 64915309701801216

• Cardinal: 64915309701801216 can be written as Sixty-four quadrillion, nine hundred fifteen trillion, three hundred nine billion, seven hundred one million, eight hundred one thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 6.4915309701801216 × 10¹⁶

Factors of 64915309701801216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4124224

Divisors of 64915309701801216

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 576 672 768 896 1008 1152 1344 1792 2016 2304 2688 4032 5376 8064 16128 1585373 2538839 3170746 4756119 5077678 6341492 7616517 9512238 10155356 11097611 12682984 14268357 15233034 17771873 19024476 20310712 22195222 22849551 25365968 28536714 30466068 33292833 35543746 38048952 40621424 44390444 45699102 50731936 53315619 57073428 60932136 66585666 71087492 76097904 81242848 88780888 91398204 99878499 101463872 106631238 114146856 121864272 133171332 142174984 152195808 159946857 162485696 177561776 182796408 199756998 202927744 213262476 228293712 243728544 266342664 284349968 304391616 319893714 324971392 355123552 365592816 399513996 405855488 426524952 456587424 487457088 532685328 568699936 608783232 639787428 649942784 710247104 731185632 799027992 853049904 913174848 974914176 1065370656 1137399872 1217566464 1279574856 1420494208 1462371264 1598055984 1706099808 1826349696 1949828352 2130741312 2274799744 2559149712 2840988416 2924742528 3196111968 3412199616 3652699392 4261482624 4549599488 5118299424 5849485056 6392223936 6824399232 8522965248 10236598848 12784447872 13648798464 20473197696 25568895744 40946395392 4025006801947 8050013603894 12075020405841 16100027207788 24150040811682 28175047613629 32200054415576 36225061217523 48300081623364 56350095227258 64400108831152 72450122435046 84525142840887 96600163246728 112700190454516 128800217662304 144900244870092 169050285681774 193200326493456 225400380909032 253575428522661 257600435324608 289800489740184 338100571363548 386400652986912 450800761818064 507150857045322 515200870649216 579600979480368 676201142727096 772801305973824 901601523636128 1014301714090644 1030401741298432 1159201958960736 1352402285454192 1545602611947648 1803203047272256 2028603428181288 2318403917921472 2704804570908384 3091205223895296 3606406094544512 4057206856362576 4636807835842944 5409609141816768 7212812189089024 8114413712725152 9273615671685888 10819218283633536 16228827425450304 21638436567267072 32457654850900608 64915309701801216
• Sum of all divisors σ(n): 213905180659847040
• Sum of proper divisors (its aliquot sum) s(n): 148989870958045824
• 64915309701801216 is an abundant number, because the sum of its proper divisors (148989870958045824) is greater than itself. Its abundance is 84074561256244608

Bases of 64915309701801216

• Binary: 11100110101000000010000101010111010000101010010100000000₂
• Hexadecimal: 0xE6A0215742A500
• Base-36: HR6K1L0TOG0

Squares and roots of 64915309701801216

• 64915309701801216 squared (64915309701801216²) is 4213997433680767078956434779078656
• 64915309701801216 cubed (64915309701801216³) is 273552948489982525465526053046631628526796140445696
• The square root of 64915309701801216 is 254784830.2034507235
• The cube root of 64915309701801216 is 401897.8761358015

Scales and comparisons

• 64,915,309,701,801,216 seconds is equal to 2,064,106,052 years, 14 weeks, 4 days, 2 hours, 33 minutes, 36 seconds.
• To count from 1 to 64,915,309,701,801,216 would take you about six billion, one hundred ninety-two million, three hundred eighteen thousand, one hundred fifty-six 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 64915309701801216 cubic inches would be around 33491.5 feet tall.

Recreational maths with 64915309701801216

• 64915309701801216 backwards is 61210810790351946
• 64915309701801216 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 64915309701801216's digits is 63
• More coming soon!