21402991104

Names of 21402991104

• Cardinal: 21402991104 can be written as Twenty-one billion, four hundred two million, nine hundred ninety-one thousand, one hundred four.

Scientific notation

• Scientific notation: 2.1402991104 × 10¹⁰

Factors of 21402991104

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 64

Divisors of 21402991104

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 19 22 24 29 32 33 38 44 48 57 58 64 66 76 87 88 96 114 116 121 128 132 152 174 176 192 209 228 232 242 256 264 304 319 348 352 361 363 384 418 456 464 484 512 528 551 608 627 638 696 704 722 726 768 836 912 928 957 968 1056 1083 1102 1216 1254 1276 1331 1392 1408 1444 1452 1536 1653 1672 1824 1856 1914 1936 2112 2166 2204 2299 2432 2508 2552 2662 2784 2816 2888 2904 3306 3344 3509 3648 3712 3828 3872 3971 3993 4224 4332 4408 4598 4864 5016 5104 5324 5568 5632 5776 5808 6061 6612 6688 6897 7018 7296 7424 7656 7744 7942 7986 8448 8664 8816 9196 9728 10032 10208 10469 10527 10648 11136 11552 11616 11913 12122 13224 13376 13794 14036 14592 14848 15312 15488 15884 15972 16896 17328 17632 18183 18392 20064 20416 20938 21054 21296 22272 23104 23232 23826 24244 25289 26448 26752 27588 28072 29184 30624 30976 31407 31768 31944 34656 35264 36366 36784 38599 40128 40832 41876 42108 42592 43681 44544 46208 46464 47652 48488 50578 52896 53504 55176 56144 61248 61952 62814 63536 63888 66671 69312 70528 72732 73568 75867 77198 80256 81664 83752 84216 85184 87362 92416 92928 95304 96976 101156 105792 107008 110352 112288 115159 115797 122496 125628 127072 127776 131043 133342 138624 141056 145464 147136 151734 154396 160512 163328 167504 168432 170368 174724 184832 185856 190608 193952 200013 202312 211584 220704 224576 230318 231594 244992 251256 254144 255552 262086 266684 277248 282112 290928 294272 303468 308792 321024 335008 336864 340736 345477 349448 381216 387904 400026 404624 423168 441408 449152 460636 463188 480491 489984 502512 508288 511104 524172 533368 554496 581856 588544 606936 617584 670016 673728 681472 690954 698896 733381 762432 775808 800052 809248 846336 882816 898304 921272 926376 960982 1005024 1016576 1022208 1048344 1066736 1163712 1177088 1213872 1235168 1266749 1340032 1347456 1381908 1397792 1441473 1466762 1524864 1551616 1600104 1618496 1765632 1796608 1842544 1852752 1921964 2010048 2033152 2044416 2096688 2133472 2200143 2327424 2427744 2470336 2533498 2680064 2694912 2763816 2795584 2882946 2933524 3049728 3103232 3200208 3236992 3531264 3685088 3705504 3800247 3843928 4020096 4193376 4266944 4400286 4654848 4855488 4940672 5066996 5360128 5389824 5527632 5591168 5765892 5867048 6099456 6400416 6473984 7370176 7411008 7600494 7687856 8040192 8386752 8533888 8800572 9309696 9710976 9881344 10133992 11055264 11182336 11531784 11734096 12800832 12947968 13934239 14740352 14822016 15200988 15375712 16080384 16773504 17067776 17601144 19421952 19762688 20267984 22110528 22364672 23063568 23468192 25601664 27868478 29480704 29644032 30401976 30751424 33547008 34135552 35202288 38843904 40535968 41802717 44221056 46127136 46936384 51203328 55736956 58961408 59288064 60803952 61502848 67094016 70404576 81071936 83605434 88442112 92254272 93872768 102406656 111473912 121607904 123005696 140809152 162143872 167210868 176884224 184508544 187745536 222947824 243215808 246011392 281618304 324287744 334421736 369017088 375491072 445895648 486431616 563236608 648575488 668843472 738034176 891791296 972863232 1126473216 1337686944 1783582592 1945726464 2675373888 3567165184 5350747776 7134330368 10701495552 21402991104
• Sum of all divisors σ(n): 68473563840
• Sum of proper divisors (its aliquot sum) s(n): 47070572736
• 21402991104 is an abundant number, because the sum of its proper divisors (47070572736) is greater than itself. Its abundance is 25667581632

Bases of 21402991104

• Binary: 10011111011101101111011101000000000₂
• Hexadecimal: 0x4FBB7BA00
• Base-36: 9TYSDMO

Squares and roots of 21402991104

• 21402991104 squared (21402991104²) is 458088028197903138816
• 21402991104 cubed (21402991104³) is 9804453992368622031532525092864
• The square root of 21402991104 is 146297.6114090725
• The cube root of 21402991104 is 2776.4604429099

Scales and comparisons

• 21,402,991,104 seconds is equal to 680 years, 28 weeks, 3 days, 19 hours, 18 minutes, 24 seconds.
• To count from 1 to 21,402,991,104 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 21402991104 cubic inches would be around 231.4 feet tall.

Recreational maths with 21402991104

• 21402991104 backwards is 40119920412
• 21402991104 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21402991104's digits is 33
• More coming soon!