21404840184

Names of 21404840184

• Cardinal: 21404840184 can be written as Twenty-one billion, four hundred four million, eight hundred forty thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 2.1404840184 × 10¹⁰

Factors of 21404840184

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1420

Divisors of 21404840184

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 19 21 24 26 28 36 38 39 42 52 56 57 63 72 76 78 84 91 104 114 117 126 133 139 152 156 168 171 182 228 234 247 252 266 273 278 312 342 364 399 417 456 468 494 504 532 546 556 684 728 741 798 819 834 936 973 988 1064 1092 1112 1197 1237 1251 1368 1482 1596 1638 1668 1729 1807 1946 1976 2184 2223 2394 2474 2502 2641 2919 2964 3192 3276 3336 3458 3614 3711 3892 4446 4788 4948 5004 5187 5282 5421 5838 5928 6552 6916 7228 7422 7784 7923 8659 8757 8892 9576 9896 10008 10374 10564 10842 11133 11676 12649 13832 14456 14844 15561 15846 16081 16263 17318 17514 17784 18487 20748 21128 21684 22266 23352 23503 23769 25298 25977 29688 31122 31692 32162 32526 34333 34636 35028 36974 37947 41496 43368 44532 47006 47538 48243 50596 51954 55461 62244 63384 64324 65052 68666 69272 70056 70509 73948 75894 77931 89064 94012 95076 96486 101192 102999 103908 110922 112567 113841 124488 128648 130104 137332 141018 144729 147896 151788 155862 164521 166383 171943 188024 190152 192972 205998 207816 211527 221844 225134 227682 240331 274664 282036 289458 303576 305539 308997 311724 329042 332766 337701 343886 385944 411996 423054 443688 450268 455364 480662 493563 515829 564072 578916 611078 617994 623448 658084 665532 675402 687772 720993 823992 846108 900536 910728 916617 961324 987126 1013103 1031658 1157832 1203601 1222156 1235988 1316168 1331064 1350804 1375544 1441986 1480689 1547487 1692216 1833234 1922648 1974252 2026206 2063316 2138773 2162979 2235259 2407202 2444312 2471976 2701608 2749851 2883972 2961378 3094974 3266917 3610803 3666468 3948504 4052412 4126632 4277546 4325958 4470518 4814404 5499702 5767944 5922756 6189948 6416319 6533834 6705777 7221606 7332936 8104824 8555092 8651916 8941036 9628808 9800751 10832409 10999404 11845512 12379896 12832638 13067668 13411554 14443212 15646813 17110184 17303832 17882072 19248957 19601502 20117331 21664818 21998808 22868419 25665276 26135336 26823108 28886424 29402253 31293626 38497914 39203004 40234662 42469921 43329636 45736838 46940439 51330552 53646216 58804506 62587252 68605257 76995828 78406008 80469324 84939842 86659272 91473676 93880878 117609012 125174504 127409763 137210514 140821317 153991656 160938648 169879684 182947352 187761756 205815771 235218024 254819526 274421028 281642634 297289447 339759368 375523512 382229289 411631542 509639052 548842056 563285268 594578894 764458578 823263084 891868341 1019278104 1126570536 1189157788 1528917156 1646526168 1783736682 2378315576 2675605023 3057834312 3567473364 5351210046 7134946728 10702420092 21404840184
• Sum of all divisors σ(n): 75706176000
• Sum of proper divisors (its aliquot sum) s(n): 54301335816
• 21404840184 is an abundant number, because the sum of its proper divisors (54301335816) is greater than itself. Its abundance is 32896495632

Bases of 21404840184

• Binary: 10011111011110100111111000011111000₂
• Hexadecimal: 0x4FBD3F0F8
• Base-36: 9TZW0E0

Squares and roots of 21404840184

• 21404840184 squared (21404840184²) is 458167183302581153856
• 21404840184 cubed (21404840184³) is 9806995336145182912977995349504
• The square root of 21404840184 is 146303.9308562829
• The cube root of 21404840184 is 2776.5403966821

Scales and comparisons

• 21,404,840,184 seconds is equal to 680 years, 31 weeks, 4 days, 4 hours, 56 minutes, 24 seconds.
• To count from 1 to 21,404,840,184 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 21404840184 cubic inches would be around 231.4 feet tall.

Recreational maths with 21404840184

• 21404840184 backwards is 48104840412
• 21404840184 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21404840184's digits is 36
• More coming soon!