21088007712

Names of 21088007712

• Cardinal: 21088007712 can be written as Twenty-one billion, eighty-eight million, seven thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.1088007712 × 10¹⁰

Factors of 21088007712

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 247

Divisors of 21088007712

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 72 86 96 129 144 172 199 258 288 344 387 398 516 597 688 774 796 1032 1194 1376 1548 1592 1791 1849 2064 2388 3096 3184 3582 3698 4128 4776 5547 6192 6368 7164 7396 8557 9552 11094 12384 14328 14792 16641 17114 19104 22188 25671 28656 29584 33282 34228 39601 44376 51342 57312 59168 66564 68456 77013 79202 88752 102684 118803 133128 136912 154026 158404 177504 205368 237606 266256 273824 308052 316808 356409 367951 410736 475212 532512 616104 633616 712818 735902 821472 950424 1103853 1232208 1267232 1425636 1471804 1702843 1900848 2207706 2464416 2851272 2943608 3311559 3405686 3801696 4415412 5108529 5702544 5887216 6623118 6811372 8830824 10217058 11405088 11774432 13246236 13622744 15325587 17661648 20434116 26492472 27245488 30651174 35323296 40868232 52984944 54490976 61302348 73222249 81736464 105969888 122604696 146444498 163472928 219666747 245209392 292888996 439333494 490418784 585777992 659000241 878666988 1171555984 1318000482 1757333976 2343111968 2636000964 3514667952 5272001928 7029335904 10544003856 21088007712
• Sum of all divisors σ(n): 61706156967
• Sum of proper divisors (its aliquot sum) s(n): 40618149255
• 21088007712 is an abundant number, because the sum of its proper divisors (40618149255) is greater than itself. Its abundance is 19530141543

Bases of 21088007712

• Binary: 10011101000111100010111011000100000₂
• Hexadecimal: 0x4E8F17620
• Base-36: 9OR96W0

Squares and roots of 21088007712

• 21088007712 squared (21088007712²) is 444704069261371474944
• 21088007712 cubed (21088007712³) is 9377922842141583807315886768128
• The square root of 21088007712 is 145217.1054387189
• The cube root of 21088007712 is 2762.7728780273

Scales and comparisons

• 21,088,007,712 seconds is equal to 670 years, 27 weeks, 5 days, 3 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,088,007,712 would take you about one thousand, three hundred forty-one 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 21088007712 cubic inches would be around 230.2 feet tall.

Recreational maths with 21088007712

• 21088007712 backwards is 21770088012
• 21088007712 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21088007712's digits is 36
• More coming soon!