21008730132

Names of 21008730132

• Cardinal: 21008730132 can be written as Twenty-one billion, eight million, seven hundred thirty thousand, one hundred thirty-two.

Scientific notation

• Scientific notation: 2.1008730132 × 10¹⁰

Factors of 21008730132

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 344

Divisors of 21008730132

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 31 36 39 41 52 54 61 62 78 82 93 108 117 122 123 124 156 164 183 186 193 234 244 246 279 351 366 369 372 386 403 468 492 533 549 558 579 702 732 738 772 793 806 837 1066 1098 1107 1116 1158 1209 1271 1404 1476 1586 1599 1612 1647 1674 1737 1891 2132 2196 2214 2316 2379 2418 2501 2509 2542 3172 3198 3294 3348 3474 3627 3782 3813 4428 4758 4797 4836 5002 5018 5084 5211 5673 5983 6396 6588 6948 7137 7254 7503 7527 7564 7626 7913 9516 9594 10004 10036 10422 10881 11346 11439 11773 11966 14274 14391 14508 15006 15054 15252 15826 16523 17019 17949 19188 20844 21411 21762 22509 22581 22692 22878 23546 23739 23932 24583 28548 28782 30012 30108 31652 32513 33046 34038 34317 35319 35898 42822 43524 45018 45162 45756 47092 47478 49166 49569 51057 53847 57564 65026 66092 67527 67743 68076 68634 70638 71217 71796 73749 77531 77779 85644 90036 90324 94956 97539 98332 99138 102114 102869 105957 107694 130052 135054 135486 137268 141276 142434 147498 148707 153049 155062 155558 161541 195078 198276 204228 205738 211914 213651 215388 221247 232593 233337 245303 270108 270972 284868 292617 294996 297414 306098 308607 310124 311116 317871 323082 364963 390156 411476 423828 427302 442494 446121 459147 465186 466674 482693 490606 585234 594828 612196 617214 635742 646164 663741 697779 700011 729926 735909 854604 877851 884988 892242 918294 925821 930372 933348 965386 981212 1007903 1094889 1170468 1234428 1271484 1327482 1377441 1395558 1400022 1448079 1459852 1471818 1755702 1784484 1836588 1851642 1930772 2015806 2093337 2100033 2189778 2207727 2654964 2754882 2777463 2791116 2800044 2896158 2943636 3023709 3188939 3284667 3511404 3703284 4031612 4132323 4186674 4200066 4344237 4379556 4415454 4744519 5509764 5554926 5792316 6047418 6275009 6377878 6569334 6623181 8264646 8373348 8400132 8688474 8830908 9071127 9489038 9566817 9854001 11109852 12094836 12550018 12755756 13032711 13138668 13246362 14233557 14963483 16529292 17376948 18142254 18825027 18978076 19133634 19708002 25100036 26065422 26492724 27213381 28467114 28700451 29926966 36284508 37650054 38267268 39416004 42700671 44890449 52130844 54426762 56475081 56934228 57400902 59853932 75300108 85401342 86101353 89780898 108853524 112950162 114801804 128102013 134671347 169425243 170802684 172202706 179561796 194525279 225900324 256204026 269342694 338850486 344405412 389050558 404014041 512408052 538685388 583575837 677700972 778101116 808028082 1167151674 1616056164 1750727511 2334303348 3501455022 5252182533 7002910044 10504365066 21008730132
• Sum of all divisors σ(n): 63369277440
• Sum of proper divisors (its aliquot sum) s(n): 42360547308
• 21008730132 is an abundant number, because the sum of its proper divisors (42360547308) is greater than itself. Its abundance is 21351817176

Bases of 21008730132

• Binary: 10011100100001101111100100000010100₂
• Hexadecimal: 0x4E437C814
• Base-36: 9NG1ZX0

Squares and roots of 21008730132

• 21008730132 squared (21008730132²) is 441366741759204737424
• 21008730132 cubed (21008730132³) is 9272554766859267255476736859968
• The square root of 21008730132 is 144943.8861490887
• The cube root of 21008730132 is 2759.3064372599

Scales and comparisons

• 21,008,730,132 seconds is equal to 668 years, 4 days, 14 hours, 22 minutes, 12 seconds.
• To count from 1 to 21,008,730,132 would take you about one thousand, three hundred thirty-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 21008730132 cubic inches would be around 229.9 feet tall.

Recreational maths with 21008730132

• 21008730132 backwards is 23103780012
• 21008730132 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21008730132's digits is 27
• More coming soon!