21528292032

Names of 21528292032

• Cardinal: 21528292032 can be written as Twenty-one billion, five hundred twenty-eight million, two hundred ninety-two thousand and thirty-two.

Scientific notation

• Scientific notation: 2.1528292032 × 10¹⁰

Factors of 21528292032

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 392

Divisors of 21528292032

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 103 104 117 144 156 192 206 208 234 271 288 309 312 412 416 468 542 576 618 624 813 824 832 927 936 1084 1236 1248 1339 1626 1648 1854 1872 2168 2439 2472 2496 2678 3252 3296 3523 3708 3744 4017 4336 4878 4944 5356 6504 6592 7046 7416 7488 8034 8672 9756 9888 10569 10609 10712 12051 13008 14092 14832 16068 17344 19512 19776 21138 21218 21424 24102 26016 27913 28184 29664 31707 31827 32136 39024 42276 42436 42848 48204 52032 55826 56368 59328 63414 63654 64272 78048 83739 84552 84872 85696 95481 96408 111652 112736 126828 127308 128544 137917 156096 167478 169104 169744 190962 192816 223304 225472 251217 253656 254616 257088 275834 334956 338208 339488 362869 381924 385632 413751 446608 502434 507312 509232 551668 669912 676416 678976 725738 763848 771264 827502 893216 1004868 1014624 1018464 1088607 1103336 1241253 1339824 1451476 1527696 1655004 1786432 2009736 2029248 2036928 2177214 2206672 2482506 2679648 2875039 2902952 3055392 3265821 3310008 4019472 4354428 4413344 4965012 5359296 5750078 5805904 6110784 6531642 6620016 8038944 8625117 8708856 8826688 9930024 11500156 11611808 13063284 13240032 16077888 17250234 17417712 19860048 23000312 23223616 25875351 26126568 26480064 34500468 34835424 37375507 39720096 46000624 51750702 52253136 69000936 69670848 74751014 79440192 92001248 103501404 104506272 112126521 138001872 149502028 184002496 207002808 209012544 224253042 276003744 299004056 336379563 414005616 448506084 552007488 598008112 672759126 828011232 897012168 1196016224 1345518252 1656022464 1794024336 2392032448 2691036504 3588048672 5382073008 7176097344 10764146016 21528292032
• Sum of all divisors σ(n): 67352716704
• Sum of proper divisors (its aliquot sum) s(n): 45824424672
• 21528292032 is an abundant number, because the sum of its proper divisors (45824424672) is greater than itself. Its abundance is 24296132640

Bases of 21528292032

• Binary: 10100000011001011111010101011000000₂
• Hexadecimal: 0x5032FAAC0
• Base-36: 9W1E0G0

Squares and roots of 21528292032

• 21528292032 squared (21528292032²) is 463467357815074689024
• 21528292032 cubed (21528292032³) is 9977660626342365357200257056768
• The square root of 21528292032 is 146725.2262973209
• The cube root of 21528292032 is 2781.8680417845

Scales and comparisons

• 21,528,292,032 seconds is equal to 684 years, 27 weeks, 5 days, 1 hour, 7 minutes, 12 seconds.
• To count from 1 to 21,528,292,032 would take you about one thousand, three hundred sixty-nine 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 21528292032 cubic inches would be around 231.8 feet tall.

Recreational maths with 21528292032

• 21528292032 backwards is 23029282512
• 21528292032 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21528292032's digits is 36
• More coming soon!