66142536672

Names of 66142536672

• Cardinal: 66142536672 can be written as Sixty-six billion, one hundred forty-two million, five hundred thirty-six thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 6.6142536672 × 10¹⁰

Factors of 66142536672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 46008

Divisors of 66142536672

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 32 46 48 69 92 96 138 184 276 368 552 661 736 1104 1322 1983 2208 2644 3966 5288 7932 10576 15203 15864 21152 30406 31728 45319 45609 60812 63456 90638 91218 121624 135957 181276 182436 243248 271914 362552 364872 486496 543828 725104 729744 1042337 1087656 1450208 1459488 2084674 2175312 3127011 4169348 4350624 6254022 8338696 12508044 16677392 25016088 29955859 33354784 50032176 59911718 89867577 100064352 119823436 179735154 239646872 359470308 479293744 688984757 718940616 958587488 1377969514 1437881232 2066954271 2755939028 2875762464 4133908542 5511878056 8267817084 11023756112 16535634168 22047512224 33071268336 66142536672
• Sum of all divisors σ(n): 181451128320
• Sum of proper divisors (its aliquot sum) s(n): 115308591648
• 66142536672 is an abundant number, because the sum of its proper divisors (115308591648) is greater than itself. Its abundance is 49166054976

Bases of 66142536672

• Binary: 111101100110011001110000001111100000₂
• Hexadecimal: 0xF666703E0
• Base-36: UDVK3XC

Squares and roots of 66142536672

• 66142536672 squared (66142536672²) is 4374835157406864835584
• 66142536672 cubed (66142536672³) is 289362694832738449812161970536448
• The square root of 66142536672 is 257181.9135786963
• The cube root of 66142536672 is 4044.1471455213

Scales and comparisons

• 66,142,536,672 seconds is equal to 2,103 years, 6 weeks, 4 days, 14 hours, 51 minutes, 12 seconds.
• To count from 1 to 66,142,536,672 would take you about four thousand, two hundred 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 66142536672 cubic inches would be around 337 feet tall.

Recreational maths with 66142536672

• 66142536672 backwards is 27663524166
• 66142536672 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 66142536672's digits is 48
• More coming soon!