21146372399012

Names of 21146372399012

• Cardinal: 21146372399012 can be written as Twenty-one trillion, one hundred forty-six billion, three hundred seventy-two million, three hundred ninety-nine thousand and twelve.

Scientific notation

• Scientific notation: 2.1146372399012 × 10¹³

Factors of 21146372399012

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 681

Divisors of 21146372399012

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 28 49 71 98 142 196 284 343 497 601 686 994 1202 1372 1988 2404 3479 4207 6958 8414 13916 16828 24353 29449 42671 48706 58898 85342 97412 117796 170684 206143 298697 361201 412286 597394 722402 824572 1194788 1444804 2090879 2528407 4181758 5056814 8363516 10113628 14636153 17698849 25645271 29272306 35397698 51290542 58544612 70795396 102581084 123891943 179516897 217081801 247783886 359033794 434163602 495567772 718067588 868327204 1256618279 1519572607 2513236558 3039145214 5026473116 6078290428 8796327953 10637008249 15412807871 17592655906 21274016498 30825615742 35185311812 42548032996 61651231484 74459057743 107889655097 148918115486 215779310194 297836230972 431558620388 755227585679 1510455171358 3020910342716 5286593099753 10573186199506 21146372399012
• Sum of all divisors σ(n): 43836630566400
• Sum of proper divisors (its aliquot sum) s(n): 22690258167388
• 21146372399012 is an abundant number, because the sum of its proper divisors (22690258167388) is greater than itself. Its abundance is 1543885768376

Bases of 21146372399012

• Binary: 100110011101110000110000000111101111110100100₂
• Hexadecimal: 0x133B8603DFA4
• Base-36: 7HUIC55LW

Squares and roots of 21146372399012

• 21146372399012 squared (21146372399012²) is 447169065637696528138576144
• 21146372399012 cubed (21146372399012³) is 9456003587292971225355365776979112369728
• The square root of 21146372399012 is 4598518.5004533797
• The cube root of 21146372399012 is 27653.1934652183

Scales and comparisons

• 21,146,372,399,012 seconds is equal to 672,389 years, 12 weeks, 13 hours, 3 minutes, 32 seconds.
• To count from 1 to 21,146,372,399,012 would take you about one million, six hundred eighty thousand, nine hundred seventy-three 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 21146372399012 cubic inches would be around 2304.4 feet tall.

Recreational maths with 21146372399012

• 21146372399012 backwards is 21099327364112
• The number of decimal digits it has is: 14
• The sum of 21146372399012's digits is 50
• More coming soon!