21328267896

Names of 21328267896

• Cardinal: 21328267896 can be written as Twenty-one billion, three hundred twenty-eight million, two hundred sixty-seven thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 2.1328267896 × 10¹⁰

Factors of 21328267896

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3157

Divisors of 21328267896

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 41 52 54 61 72 78 82 104 108 117 122 123 156 164 183 216 234 244 246 312 328 351 366 369 468 488 492 533 549 702 732 738 793 936 984 1066 1098 1107 1404 1464 1476 1586 1599 1647 2132 2196 2214 2379 2501 2808 2952 3037 3172 3198 3294 4264 4392 4428 4758 4797 5002 6074 6344 6396 6588 7137 7503 8856 9111 9516 9594 10004 12148 12792 13176 14274 14391 15006 18222 19032 19188 20008 21411 22509 24296 27333 28548 28782 30012 32513 36444 38376 39481 42822 45018 54666 57096 57564 60024 65026 67527 72888 78962 81999 85644 90036 97539 109332 115128 118443 124517 130052 135054 157924 163998 171288 180072 185257 195078 218664 236886 249034 260104 270108 292617 315848 327996 355329 370514 373551 390156 473772 498068 540216 555771 585234 655992 710658 741028 747102 780312 877851 947544 996136 1065987 1111542 1120653 1170468 1421316 1482056 1494204 1618721 1667313 1755702 2131974 2223084 2241306 2340936 2408341 2842632 2988408 3237442 3334626 3361959 3511404 4263948 4446168 4482612 4816682 4856163 5001939 6474884 6669252 6723918 7022808 7225023 7595537 8527896 8965224 9633364 9712326 10003878 12949768 13338504 13447836 14450046 14568489 15191074 19266728 19424652 20007756 21675069 22786611 26895672 28900092 29136978 30382148 38849304 40015512 43350138 43705467 45573222 57800184 58273956 60764296 65025207 68359833 86700276 87410934 91146444 98741981 116547912 130050414 136719666 173400552 174821868 182292888 197483962 205079499 260100828 273439332 296225943 349643736 394967924 410158998 520201656 546878664 592451886 789935848 820317996 888677829 1184903772 1640635992 1777355658 2369807544 2666033487 3554711316 5332066974 7109422632 10664133948 21328267896
• Sum of all divisors σ(n): 66451996800
• Sum of proper divisors (its aliquot sum) s(n): 45123728904
• 21328267896 is an abundant number, because the sum of its proper divisors (45123728904) is greater than itself. Its abundance is 23795461008

Bases of 21328267896

• Binary: 10011110111010000111000101001111000₂
• Hexadecimal: 0x4F7438A78
• Base-36: 9SQASU0

Squares and roots of 21328267896

• 21328267896 squared (21328267896²) is 454895011443544266816
• 21328267896 cubed (21328267896³) is 9702122668621897802386550939136
• The square root of 21328267896 is 146042.0072992699
• The cube root of 21328267896 is 2773.2255688963

Scales and comparisons

• 21,328,267,896 seconds is equal to 678 years, 8 weeks, 6 days, 22 hours, 51 minutes, 36 seconds.
• To count from 1 to 21,328,267,896 would take you about one thousand, three hundred fifty-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 21328267896 cubic inches would be around 231.1 feet tall.

Recreational maths with 21328267896

• 21328267896 backwards is 69876282312
• 21328267896 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21328267896's digits is 54
• More coming soon!