64400082669680

Names of 64400082669680

• Cardinal: 64400082669680 can be written as Sixty-four trillion, four hundred billion, eighty-two million, six hundred sixty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 6.440008266968 × 10¹³

Factors of 64400082669680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 57259620

Divisors of 64400082669680

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 827 1360 1654 3308 4135 6616 8270 13232 14059 16540 28118 33080 56236 66160 70295 112472 140590 224944 281180 562360 1124720 57258769 114517538 229035076 286293845 458070152 572587690 916140304 973399073 1145175380 1946798146 2290350760 3893596292 4580701520 4866995365 7787192584 9733990730 15574385168 19467981460 38935962920 47353001963 77871925840 94706003926 189412007852 236765009815 378824015704 473530019630 757648031408 805001033371 947060039260 1610002066742 1894120078520 3220004133484 3788240157040 4025005166855 6440008266968 8050010333710 12880016533936 16100020667420 32200041334840 64400082669680
• Sum of all divisors σ(n): 158729555702880
• Sum of proper divisors (its aliquot sum) s(n): 94329473033200
• 64400082669680 is an abundant number, because the sum of its proper divisors (94329473033200) is greater than itself. Its abundance is 29929390363520

Bases of 64400082669680

• Binary: 1110101001001001010000000011010001000001110000₂
• Hexadecimal: 0x3A92500D1070
• Base-36: MTSZMGL0W

Squares and roots of 64400082669680

• 64400082669680 squared (64400082669680²) is 4147370647861618275991302400
• 64400082669680 cubed (64400082669680³) is 267091012584092517086507032912652191232000
• The square root of 64400082669680 is 8024966.2098777711
• The cube root of 64400082669680 is 40083.1774739907

Scales and comparisons

• 64,400,082,669,680 seconds is equal to 2,047,723 years, 22 weeks, 1 day, 4 hours, 41 minutes, 20 seconds.
• To count from 1 to 64,400,082,669,680 would take you about five million, one hundred nineteen thousand, three hundred 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 64400082669680 cubic inches would be around 3340.3 feet tall.

Recreational maths with 64400082669680

• 64400082669680 backwards is 08696628000446
• The number of decimal digits it has is: 14
• The sum of 64400082669680's digits is 59
• More coming soon!