38689172816

Names of 38689172816

• Cardinal: 38689172816 can be written as Thirty-eight billion, six hundred eighty-nine million, one hundred seventy-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 3.8689172816 × 10¹⁰

Factors of 38689172816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8614

Divisors of 38689172816

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 112 181 233 362 466 724 932 1267 1448 1631 1864 2534 2896 3262 3728 5068 6524 8191 10136 13048 16382 20272 26096 32764 42173 57337 65528 84346 114674 131056 168692 229348 295211 337384 458696 590422 674768 917392 1180844 1482571 1908503 2361688 2965142 3817006 4723376 5930284 7634012 10377997 11860568 13359521 15268024 20755994 23721136 26719042 30536048 41511988 53438084 83023976 106876168 166047952 213752336 345439043 690878086 1381756172 2418073301 2763512344 4836146602 5527024688 9672293204 19344586408 38689172816
• Sum of all divisors σ(n): 86522462208
• Sum of proper divisors (its aliquot sum) s(n): 47833289392
• 38689172816 is an abundant number, because the sum of its proper divisors (47833289392) is greater than itself. Its abundance is 9144116576

Bases of 38689172816

• Binary: 100100000010000011011110110101010000₂
• Hexadecimal: 0x9020DED50
• Base-36: HRUJ8SW

Squares and roots of 38689172816

• 38689172816 squared (38689172816²) is 1496852093186313369856
• 38689172816 cubed (38689172816³) is 57911969313276614052290109034496
• The square root of 38689172816 is 196695.6349693607
• The cube root of 38689172816 is 3382.1781653713

Scales and comparisons

• 38,689,172,816 seconds is equal to 1,230 years, 10 weeks, 1 day, 8 hours, 26 minutes, 56 seconds.
• To count from 1 to 38,689,172,816 would take you about two thousand, four hundred sixty 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 38689172816 cubic inches would be around 281.8 feet tall.

Recreational maths with 38689172816

• 38689172816 backwards is 61827198683
• The number of decimal digits it has is: 11
• The sum of 38689172816's digits is 59
• More coming soon!