21035321535

Names of 21035321535

• Cardinal: 21035321535 can be written as Twenty-one billion, thirty-five million, three hundred twenty-one thousand, five hundred thirty-five.

Scientific notation

• Scientific notation: 2.1035321535 × 10¹⁰

Factors of 21035321535

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5388

Divisors of 21035321535

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 15 17 29 51 85 87 145 255 435 493 601 1479 1803 2465 3005 4733 7395 9015 10217 14199 17429 23665 30651 51085 52287 70995 80461 87145 137257 153255 241383 261435 296293 402305 411771 686285 888879 1206915 1481465 2058855 2333369 2844533 4444395 7000107 8533599 11666845 14222665 35000535 42667995 48357061 82491457 145071183 241785305 247474371 412457285 725355915 1237371855 1402354769 4207064307 7011773845 21035321535
• Sum of all divisors σ(n): 36934289280
• Sum of proper divisors (its aliquot sum) s(n): 15898967745
• 21035321535 is a deficient number, because the sum of its proper divisors (15898967745) is less than itself. Its deficiency is 5136353790

Bases of 21035321535

• Binary: 10011100101110011011000100010111111₂
• Hexadecimal: 0x4E5CD88BF
• Base-36: 9NVVXZ3

Squares and roots of 21035321535

• 21035321535 squared (21035321535²) is 442484752080834756225
• 21035321535 cubed (21035321535³) is 9307809034355119408396217805375
• The square root of 21035321535 is 145035.5871329517
• The cube root of 21035321535 is 2760.4701264117

Scales and comparisons

• 21,035,321,535 seconds is equal to 668 years, 44 weeks, 4 days, 8 hours, 52 minutes, 15 seconds.
• To count from 1 to 21,035,321,535 would take you about one thousand, three hundred thirty-seven 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 21035321535 cubic inches would be around 230 feet tall.

Recreational maths with 21035321535

• 21035321535 backwards is 53512353012
• The number of decimal digits it has is: 11
• The sum of 21035321535's digits is 30
• More coming soon!