61491428599025664

Names of 61491428599025664

• Cardinal: 61491428599025664 can be written as Sixty-one quadrillion, four hundred ninety-one trillion, four hundred twenty-eight billion, five hundred ninety-nine million, twenty-five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 6.1491428599025664 × 10¹⁶

Factors of 61491428599025664

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 2746

Divisors of 61491428599025664

• Number of divisors d(n): 273
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 512 576 648 729 768 864 972 1024 1152 1296 1458 1536 1728 1944 2048 2304 2592 2741 2916 3072 3456 3888 4096 4608 5184 5482 5832 6144 6912 7776 8223 9216 10368 10964 11664 12288 13824 15552 16446 18432 20736 21928 23328 24669 27648 31104 32892 36864 41472 43856 46656 49338 55296 62208 65784 74007 82944 87712 93312 98676 110592 124416 131568 148014 165888 175424 186624 197352 222021 248832 263136 296028 331776 350848 373248 394704 444042 497664 526272 592056 666063 701696 746496 789408 888084 995328 1052544 1184112 1332126 1403392 1492992 1578816 1776168 1998189 2105088 2368224 2664252 2806784 2985984 3157632 3552336 3996378 4210176 4736448 5328504 5613568 6315264 7104672 7513081 7992756 8420352 9472896 10657008 11227136 12630528 14209344 15026162 15985512 16840704 18945792 21314016 22539243 25261056 28418688 30052324 31971024 33681408 37891584 42628032 45078486 50522112 56837376 60104648 63942048 67617729 75783168 85256064 90156972 101044224 113674752 120209296 127884096 135235458 151566336 170512128 180313944 202853187 227349504 240418592 255768192 270470916 303132672 341024256 360627888 405706374 454699008 480837184 511536384 540941832 608559561 682048512 721255776 811412748 909398016 961674368 1023072768 1081883664 1217119122 1364097024 1442511552 1622825496 1825678683 1923348736 2046145536 2163767328 2434238244 2728194048 2885023104 3245650992 3651357366 3846697472 4092291072 4327534656 4868476488 5477036049 5770046208 6491301984 7302714732 7693394944 8184582144 8655069312 9736952976 10954072098 11540092416 12982603968 14605429464 15386789888 17310138624 19473905952 21908144196 23080184832 25965207936 29210858928 30773579776 34620277248 38947811904 43816288392 46160369664 51930415872 58421717856 69240554496 77895623808 87632576784 92320739328 103860831744 116843435712 138481108992 155791247616 175265153568 207721663488 233686871424 276962217984 311582495232 350530307136 415443326976 467373742848 623164990464 701060614272 830886653952 934747485696 1246329980928 1402121228544 1869494971392 2492659961856 2804242457088 3738989942784 5608484914176 7477979885568 11216969828352 22433939656704
• Sum of all divisors σ(n): 61536282041437909
• Sum of proper divisors (its aliquot sum) s(n): 44853442412245
• 61491428599025664 is a deficient number, because the sum of its proper divisors (44853442412245) is less than itself. Its deficiency is 61446575156613419

Bases of 61491428599025664

• Binary: 11011010011101100010000011100110011000000101000000000000₂
• Hexadecimal: 0xDA7620E6605000
• Base-36: GTGW4BI8000

Squares and roots of 61491428599025664

• 61491428599025664 squared (61491428599025664²) is 3781195791149071334848130130640896
• 61491428599025664 cubed (61491428599025664³) is 232511131010379476760755464203702740905057471954944
• The square root of 61491428599025664 is 247974653.1382303679
• 61491428599025664 is a perfect cube number. Its cube root is 394704

Scales and comparisons

• 61,491,428,599,025,664 seconds is equal to 1,955,237,223 years, 50 weeks, 3 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 61,491,428,599,025,664 would take you about five billion, eight hundred sixty-five million, seven hundred eleven thousand, six hundred seventy-one 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 61491428599025664 cubic inches would be around 32892 feet tall.

Recreational maths with 61491428599025664

• 61491428599025664 backwards is 46652099582419416
• 61491428599025664 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 61491428599025664's digits is 81
• More coming soon!