21403844352

Names of 21403844352

• Cardinal: 21403844352 can be written as Twenty-one billion, four hundred three million, eight hundred forty-four thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 2.1403844352 × 10¹⁰

Factors of 21403844352

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1056

Divisors of 21403844352

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 31 32 33 36 44 48 54 62 64 66 72 81 88 93 96 99 108 124 128 132 144 162 176 186 192 198 216 243 248 256 264 279 288 297 324 341 352 372 384 396 432 486 496 528 558 576 594 648 682 704 744 768 792 837 864 891 972 992 1009 1023 1056 1116 1152 1188 1296 1364 1408 1488 1584 1674 1728 1782 1944 1984 2018 2046 2112 2232 2304 2376 2511 2592 2673 2728 2816 2976 3027 3069 3168 3348 3456 3564 3888 3968 4036 4092 4224 4464 4752 5022 5184 5346 5456 5952 6054 6138 6336 6696 6912 7128 7533 7776 7936 8072 8184 8448 8928 9081 9207 9504 10044 10368 10692 10912 11099 11904 12108 12276 12672 13392 14256 15066 15552 16144 16368 17856 18162 18414 19008 20088 20736 21384 21824 22198 23808 24216 24552 25344 26784 27243 27621 28512 30132 31104 31279 32288 32736 33297 35712 36324 36828 38016 40176 42768 43648 44396 48432 49104 53568 54486 55242 57024 60264 62208 62558 64576 65472 66594 71424 72648 73656 76032 80352 81729 82863 85536 87296 88792 93837 96864 98208 99891 107136 108972 110484 114048 120528 125116 129152 130944 133188 145296 147312 160704 163458 165726 171072 177584 187674 193728 196416 199782 214272 217944 220968 228096 241056 245187 250232 258304 261888 266376 281511 290592 294624 299673 321408 326916 331452 342144 344069 355168 375348 387456 392832 399564 435888 441936 482112 490374 500464 532752 563022 581184 589248 599346 642816 653832 662904 684288 688138 710336 750696 774912 785664 799128 844533 871776 883872 899019 964224 980748 1000928 1032207 1065504 1126044 1162368 1178496 1198692 1307664 1325808 1376276 1420672 1501392 1598256 1689066 1743552 1767744 1798038 1928448 1961496 2001856 2064414 2131008 2252088 2324736 2356992 2397384 2533599 2615328 2651616 2697057 2752552 2841344 3002784 3096621 3196512 3378132 3487104 3535488 3596076 3922992 4003712 4128828 4262016 4504176 4794768 5067198 5230656 5303232 5394114 5505104 6005568 6193242 6393024 6756264 6974208 7070976 7192152 7600797 7845984 8007424 8257656 8524032 9008352 9289863 9589536 10134396 10461312 10606464 10788228 11010208 12011136 12386484 12786048 13512528 14384304 15201594 15691968 16515312 18016704 18579726 19179072 20268792 20922624 21212928 21576456 22020416 24022272 24772968 25572096 27025056 27869589 28768608 30403188 31383936 33030624 36033408 37159452 38358144 40537584 43152912 44040832 49545936 54050112 55739178 57537216 60806376 62767872 66061248 72066816 74318904 76716288 81075168 83608767 86305824 88081664 99091872 108100224 111478356 115074432 121612752 132122496 148637808 162150336 167217534 172611648 198183744 216200448 222956712 230148864 243225504 264244992 297275616 324300672 334435068 345223296 396367488 445913424 486451008 594551232 648601344 668870136 690446592 792734976 891826848 972902016 1189102464 1337740272 1783653696 1945804032 2378204928 2675480544 3567307392 5350961088 7134614784 10701922176 21403844352
• Sum of all divisors σ(n): 72139791360
• Sum of proper divisors (its aliquot sum) s(n): 50735947008
• 21403844352 is an abundant number, because the sum of its proper divisors (50735947008) is greater than itself. Its abundance is 29332102656

Bases of 21403844352

• Binary: 10011111011110001001011111100000000₂
• Hexadecimal: 0x4FBC4BF00
• Base-36: 9TZAO00

Squares and roots of 21403844352

• 21403844352 squared (21403844352²) is 458124553044642299904
• 21403844352 cubed (21403844352³) is 9805626627197091494660520542208
• The square root of 21403844352 is 146300.5275178459
• The cube root of 21403844352 is 2776.4973377193

Scales and comparisons

• 21,403,844,352 seconds is equal to 680 years, 29 weeks, 6 days, 16 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,403,844,352 would take you about one thousand, three hundred sixty-one 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 21403844352 cubic inches would be around 231.4 feet tall.

Recreational maths with 21403844352

• 21403844352 backwards is 25344830412
• 21403844352 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21403844352's digits is 36
• More coming soon!