21135360372

Names of 21135360372

• Cardinal: 21135360372 can be written as Twenty-one billion, one hundred thirty-five million, three hundred sixty thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 2.1135360372 × 10¹⁰

Factors of 21135360372

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 139

Divisors of 21135360372

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 12 14 19 21 28 37 38 42 57 71 74 76 84 111 114 133 142 148 213 222 228 259 266 284 399 426 444 497 518 532 703 777 798 852 994 1036 1349 1406 1491 1554 1596 1988 2109 2627 2698 2812 2982 3108 4047 4218 4921 5041 5254 5396 5964 7881 8094 8436 9443 9842 10082 10508 14763 15123 15762 16188 18389 18886 19684 20164 28329 29526 30246 31524 35287 36778 37772 49913 55167 56658 59052 60492 70574 73556 95779 99826 105861 110334 113316 141148 149739 186517 191558 199652 211722 220668 287337 299478 349391 357911 373034 383116 423444 559551 574674 598956 670453 698782 715822 746068 1048173 1073733 1119102 1149348 1305619 1340906 1397564 1431644 2011359 2096346 2147466 2238204 2505377 2611238 2681812 3543823 3916857 4022718 4192692 4294932 5010754 5222476 6800309 7087646 7516131 7833714 8045436 10021508 10631469 13242707 13600618 14175292 15032262 15667428 20400927 21262938 24806761 26485414 27201236 30064524 39728121 40801854 42525876 47602163 49613522 52970828 74420283 79456242 81603708 92698949 95204326 99227044 142806489 148840566 158912484 185397898 190408652 251611433 278096847 285612978 297681132 370795796 503222866 556193694 571225956 754834299 1006445732 1112387388 1509668598 1761280031 3019337196 3522560062 5283840093 7045120124 10567680186 21135360372
• Sum of all divisors σ(n): 61801205760
• Sum of proper divisors (its aliquot sum) s(n): 40665845388
• 21135360372 is an abundant number, because the sum of its proper divisors (40665845388) is greater than itself. Its abundance is 19530485016

Bases of 21135360372

• Binary: 10011101011110001000000000101110100₂
• Hexadecimal: 0x4EBC40174
• Base-36: 9PJG4FO

Squares and roots of 21135360372

• 21135360372 squared (21135360372²) is 446703458054307978384
• 21135360372 cubed (21135360372³) is 9441238565396385070220626198848
• The square root of 21135360372 is 145380.0549318923
• The cube root of 21135360372 is 2764.8392474889

Scales and comparisons

• 21,135,360,372 seconds is equal to 672 years, 2 weeks, 5 hours, 26 minutes, 12 seconds.
• To count from 1 to 21,135,360,372 would take you about one thousand, three hundred forty-four 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 21135360372 cubic inches would be around 230.4 feet tall.

Recreational maths with 21135360372

• 21135360372 backwards is 27306353112
• The number of decimal digits it has is: 11
• The sum of 21135360372's digits is 33
• More coming soon!