21107507550723

Names of 21107507550723

• Cardinal: 21107507550723 can be written as Twenty-one trillion, one hundred seven billion, five hundred seven million, five hundred fifty thousand, seven hundred twenty-three.

Scientific notation

• Scientific notation: 2.1107507550723 × 10¹³

Factors of 21107507550723

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 104

Divisors of 21107507550723

• Number of divisors d(n): 168
• Complete list of divisors:
  1 3 9 11 17 33 51 73 99 121 153 187 219 289 363 561 657 803 867 1089 1241 1331 1683 2057 2409 2601 3179 3723 3993 4913 6171 7227 8833 9537 11169 11979 13651 14739 18513 21097 22627 26499 28611 34969 40953 44217 54043 63291 67881 79497 83521 97163 104907 122859 150161 162129 189873 203643 232067 250563 291489 314721 358649 384659 450483 486387 594473 696201 751689 874467 918731 1075947 1153977 1351449 1419857 1651771 1783419 2088603 2552737 2756193 3227841 3461931 3945139 4259571 4955313 5350257 6097033 6539203 7658211 8268579 10106041 11835417 12778713 14865939 15618427 18291099 19617609 22974633 24137569 28080107 30318123 35506251 43396529 46855281 54873297 58852827 67067363 72412707 84240321 90954369 103649561 111166451 130189587 140565843 171802697 201202089 217238121 252720963 265513259 310948683 333499353 390568761 477361819 515408091 603606267 737740993 796539777 932846049 1000498059 1140145171 1432085457 1546224273 1762042537 1889829667 2213222979 2389619331 2920645849 3420435513 4296256371 5286127611 5669489001 6639668937 8115150923 8761937547 10261306539 12541596881 15858382833 17008467003 19382467907 24345452769 26285812641 32127104339 37624790643 58147403721 73036358307 96381313017 112874371929 137957565691 174442211163 213207146977 289143939051 413872697073 639621440931 1241618091219 1918864322793 2345278616747 7035835850241 21107507550723
• Sum of all divisors σ(n): 36119240925456
• Sum of proper divisors (its aliquot sum) s(n): 15011733374733
• 21107507550723 is a deficient number, because the sum of its proper divisors (15011733374733) is less than itself. Its deficiency is 6095774175990

Bases of 21107507550723

• Binary: 100110011001001111001011111010101101000000011₂
• Hexadecimal: 0x1332797D5A03
• Base-36: 7HCNL0KQR

Squares and roots of 21107507550723

• 21107507550723 squared (21107507550723²) is 445526875003828458417822729
• 21107507550723 cubed (21107507550723³) is 9403961878193331395586822282365189783067
• The square root of 21107507550723 is 4594290.7560060889
• The cube root of 21107507550723 is 27636.2418380837

Scales and comparisons

• 21,107,507,550,723 seconds is equal to 671,153 years, 23 weeks, 2 days, 21 hours, 52 minutes, 3 seconds.
• To count from 1 to 21,107,507,550,723 would take you about one million, six hundred seventy-seven thousand, eight hundred eighty-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 21107507550723 cubic inches would be around 2303 feet tall.

Recreational maths with 21107507550723

• 21107507550723 backwards is 32705570570112
• The number of decimal digits it has is: 14
• The sum of 21107507550723's digits is 45
• More coming soon!