21180743088

Names of 21180743088

• Cardinal: 21180743088 can be written as Twenty-one billion, one hundred eighty million, seven hundred forty-three thousand and eighty-eight.

Scientific notation

• Scientific notation: 2.1180743088 × 10¹⁰

Factors of 21180743088

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17413

Divisors of 21180743088

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 19 24 34 38 48 51 57 68 76 79 102 114 136 152 158 204 228 237 272 304 316 323 408 456 474 632 646 816 912 948 969 1264 1292 1343 1501 1896 1938 2584 2686 3002 3792 3876 4029 4503 5168 5372 6004 7752 8058 9006 10744 12008 15504 16116 17293 18012 21488 24016 25517 32232 34586 36024 51034 51879 64464 69172 72048 76551 102068 103758 138344 153102 204136 207516 276688 293981 306204 328567 408272 415032 587962 612408 657134 830064 881943 985701 1175924 1224816 1314268 1366147 1763886 1971402 2351848 2628536 2732294 3527772 3942804 4098441 4703696 5257072 5464588 5585639 7055544 7885608 8196882 10929176 11171278 14111088 15771216 16393764 16756917 21858352 22342556 23224499 25956793 32787528 33513834 44685112 46448998 51913586 65575056 67027668 69673497 77870379 89370224 92897996 103827172 134055336 139346994 155740758 185795992 207654344 268110672 278693988 311481516 371591984 415308688 441265481 557387976 622963032 882530962 1114775952 1245926064 1323796443 1765061924 2647592886 3530123848 5295185772 7060247696 10590371544 21180743088
• Sum of all divisors σ(n): 61760332800
• Sum of proper divisors (its aliquot sum) s(n): 40579589712
• 21180743088 is an abundant number, because the sum of its proper divisors (40579589712) is greater than itself. Its abundance is 19398846624

Bases of 21180743088

• Binary: 10011101110011110000111110110110000₂
• Hexadecimal: 0x4EE787DB0
• Base-36: 9QAGTYO

Squares and roots of 21180743088

• 21180743088 squared (21180743088²) is 448623877759859775744
• 21180743088 cubed (21180743088³) is 9502187097973906868938958057472
• The square root of 21180743088 is 145536.0542546073
• The cube root of 21180743088 is 2766.8167583225

Scales and comparisons

• 21,180,743,088 seconds is equal to 673 years, 25 weeks, 11 hours, 44 minutes, 48 seconds.
• To count from 1 to 21,180,743,088 would take you about one thousand, three hundred forty-six 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 21180743088 cubic inches would be around 230.6 feet tall.

Recreational maths with 21180743088

• 21180743088 backwards is 88034708112
• The number of decimal digits it has is: 11
• The sum of 21180743088's digits is 42
• More coming soon!