21404861940

Names of 21404861940

• Cardinal: 21404861940 can be written as Twenty-one billion, four hundred four million, eight hundred sixty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.140486194 × 10¹⁰

Factors of 21404861940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 346

Divisors of 21404861940

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 66 70 77 84 105 110 127 132 140 154 165 191 210 220 231 254 308 330 381 382 385 420 462 508 573 635 660 762 764 770 889 924 955 1146 1155 1270 1337 1397 1524 1540 1778 1905 1910 2101 2292 2310 2540 2667 2674 2794 2865 3556 3810 3820 4011 4191 4202 4445 4620 5334 5348 5588 5730 6303 6685 6985 7620 8022 8382 8404 8890 9779 10505 10668 11460 12606 13335 13370 13970 14707 16044 16764 17780 19558 20055 20955 21010 24257 25212 26670 26740 27940 29337 29414 31515 36481 39116 40110 41910 42020 44121 48514 48895 53340 58674 58828 63030 72771 72962 73535 80220 83820 88242 97028 97790 109443 117348 121285 126060 145542 145924 146685 147070 169799 176484 182405 195580 218886 220605 242570 255367 266827 291084 293370 294140 339598 363855 364810 401291 437772 441210 485140 509397 510734 533654 547215 586740 679196 727710 729620 766101 800481 802582 848995 882420 1018794 1021468 1067308 1094430 1203873 1276835 1334135 1455420 1532202 1600962 1605164 1697990 1867789 2006455 2037588 2188860 2407746 2546985 2553670 2668270 2809037 3064404 3201924 3395980 3735578 3830505 4002405 4012910 4633087 4815492 5093970 5107340 5336540 5603367 5618074 6019365 7471156 7661010 8004810 8025820 8427111 9266174 9338945 10187940 11206734 11236148 12038730 13899261 14045185 15322020 16009620 16854222 18532348 18677890 22413468 23165435 24077460 27798522 28016835 28090370 32431609 33708444 37355780 42135555 46330870 50963957 55597044 56033670 56180740 64863218 69496305 84271110 92661740 97294827 101927914 112067340 129726436 138992610 152891871 162158045 168542220 194589654 203855828 254819785 277985220 305783742 324316090 356747699 389179308 486474135 509639570 611567484 648632180 713495398 764459355 972948270 1019279140 1070243097 1426990796 1528918710 1783738495 1945896540 2140486194 3057837420 3567476990 4280972388 5351215485 7134953980 10702430970 21404861940
• Sum of all divisors σ(n): 75707154432
• Sum of proper divisors (its aliquot sum) s(n): 54302292492
• 21404861940 is an abundant number, because the sum of its proper divisors (54302292492) is greater than itself. Its abundance is 32897430552

Bases of 21404861940

• Binary: 10011111011110101000100010111110100₂
• Hexadecimal: 0x4FBD445F4
• Base-36: 9TZWH6C

Squares and roots of 21404861940

• 21404861940 squared (21404861940²) is 458168114670460563600
• 21404861940 cubed (21404861940³) is 9807025239831296960072589384000
• The square root of 21404861940 is 146304.0052083333
• The cube root of 21404861940 is 2776.5413373789

Scales and comparisons

• 21,404,861,940 seconds is equal to 680 years, 31 weeks, 4 days, 10 hours, 59 minutes.
• To count from 1 to 21,404,861,940 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 21404861940 cubic inches would be around 231.4 feet tall.

Recreational maths with 21404861940

• 21404861940 backwards is 04916840412
• The number of decimal digits it has is: 11
• The sum of 21404861940's digits is 39
• More coming soon!