21212388352

Names of 21212388352

• Cardinal: 21212388352 can be written as Twenty-one billion, two hundred twelve million, three hundred eighty-eight thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 2.1212388352 × 10¹⁰

Factors of 21212388352

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 213

Divisors of 21212388352

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 4 8 16 31 32 62 64 83 97 124 128 166 194 248 256 332 388 496 512 664 776 992 1024 1328 1552 1984 2573 2656 3007 3104 3968 5146 5312 6014 6208 6889 7936 8051 10292 10624 12028 12416 13778 15872 16102 20584 21248 24056 24832 27556 31744 32204 41168 42496 48112 49664 55112 64408 82336 84992 96224 99328 110224 128816 164672 192448 213559 220448 249581 257632 329344 384896 427118 440896 499162 515264 658688 668233 769792 854236 881792 998324 1030528 1317376 1336466 1539584 1708472 1763584 1996648 2061056 2634752 2672932 3079168 3416944 3527168 3993296 4122112 5345864 6833888 7054336 7986592 8244224 10691728 13667776 15973184 20715223 21383456 27335552 31946368 41430446 42766912 54671104 63892736 82860892 85533824 109342208 127785472 165721784 171067648 218684416 255570944 331443568 342135296 662887136 684270592 1325774272 2651548544 5303097088 10606194176 21212388352
• Sum of all divisors σ(n): 44762420416
• Sum of proper divisors (its aliquot sum) s(n): 23550032064
• 21212388352 is an abundant number, because the sum of its proper divisors (23550032064) is greater than itself. Its abundance is 2337643712

Bases of 21212388352

• Binary: 10011110000010110110101110000000000₂
• Hexadecimal: 0x4F05B5C00
• Base-36: 9QTB3LS

Squares and roots of 21212388352

• 21212388352 squared (21212388352²) is 449965419596065275904
• 21212388352 cubed (21212388352³) is 9544841225442367603617675870208
• The square root of 21212388352 is 145644.7333479655
• The cube root of 21212388352 is 2768.1940011265

Scales and comparisons

• 21,212,388,352 seconds is equal to 674 years, 25 weeks, 2 days, 18 hours, 5 minutes, 52 seconds.
• To count from 1 to 21,212,388,352 would take you about one thousand, three hundred forty-eight 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 21212388352 cubic inches would be around 230.7 feet tall.

Recreational maths with 21212388352

• 21212388352 backwards is 25388321212
• The number of decimal digits it has is: 11
• The sum of 21212388352's digits is 37
• More coming soon!