21533137958664

Names of 21533137958664

• Cardinal: 21533137958664 can be written as Twenty-one trillion, five hundred thirty-three billion, one hundred thirty-seven million, nine hundred fifty-eight thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1533137958664 × 10¹³

Factors of 21533137958664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15740597947

Divisors of 21533137958664

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 15740597923 31481195846 47221793769 62962391692 94443587538 125924783384 141665381307 188887175076 283330762614 299071360537 377774350152 566661525228 598142721074 897214081611 1133323050456 1196285442148 1794428163222 2392570884296 2691642244833 3588856326444 5383284489666 7177712652888 10766568979332 21533137958664
• Sum of all divisors σ(n): 61388331903600
• Sum of proper divisors (its aliquot sum) s(n): 39855193944936
• 21533137958664 is an abundant number, because the sum of its proper divisors (39855193944936) is greater than itself. Its abundance is 18322055986272

Bases of 21533137958664

• Binary: 100111001010110010011000010011111011100001000₂
• Hexadecimal: 0x13959309F708
• Base-36: 7MS6QDDE0

Squares and roots of 21533137958664

• 21533137958664 squared (21533137958664²) is 463676030346856416972664896
• 21533137958664 cubed (21533137958664³) is 9984399929584534702440278581341571858944
• The square root of 21533137958664 is 4640381.2298844587
• The cube root of 21533137958664 is 27820.7675500003

Scales and comparisons

• 21,533,137,958,664 seconds is equal to 684,687 years, 9 weeks, 2 days, 18 hours, 44 minutes, 24 seconds.
• To count from 1 to 21,533,137,958,664 would take you about one million, seven hundred eleven thousand, seven hundred seventeen 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 21533137958664 cubic inches would be around 2318.4 feet tall.

Recreational maths with 21533137958664

• 21533137958664 backwards is 46685973133512
• The number of decimal digits it has is: 14
• The sum of 21533137958664's digits is 63
• More coming soon!