21401231880

Names of 21401231880

• Cardinal: 21401231880 can be written as Twenty-one billion, four hundred one million, two hundred thirty-one thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.140123188 × 10¹⁰

Factors of 21401231880

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1340

Divisors of 21401231880

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 73 84 105 120 140 146 168 210 219 280 292 365 420 421 438 511 584 730 829 840 842 876 1022 1095 1263 1460 1533 1658 1684 1752 2044 2105 2190 2487 2526 2555 2920 2947 3066 3316 3368 4088 4145 4210 4380 4974 5052 5110 5803 5894 6132 6315 6632 7665 8290 8420 8760 8841 9948 10104 10220 11606 11788 12264 12435 12630 14735 15330 16580 16840 17409 17682 19896 20440 23212 23576 24870 25260 29015 29470 30660 30733 33160 34818 35364 44205 46424 49740 50520 58030 58940 60517 61320 61466 69636 70728 87045 88410 92199 99480 116060 117880 121034 122932 139272 153665 174090 176820 181551 184398 215131 232120 242068 245864 302585 307330 348180 349009 353640 363102 368796 423619 430262 460995 484136 605170 614660 645393 696360 698018 726204 737592 847238 860524 907755 921990 1047027 1075655 1210340 1229320 1270857 1290786 1396036 1452408 1694476 1721048 1745045 1815510 1843980 2094054 2118095 2151310 2420680 2443063 2541714 2581572 2792072 3226965 3388952 3490090 3631020 3687960 4188108 4236190 4302620 4886126 5083428 5163144 5235135 6354285 6453930 6980180 7262040 7329189 8376216 8472380 8605240 9772252 10166856 10470270 12215315 12708570 12907860 13960360 14658378 16944760 19544504 20940540 24430630 25417140 25477657 25815720 29316756 36645945 41881080 48861260 50834280 50955314 58633512 73291890 76432971 97722520 101910628 127388285 146583780 152865942 178343599 203821256 254776570 293167560 305731884 356687198 382164855 509553140 535030797 611463768 713374396 764329710 891717995 1019106280 1070061594 1426748792 1528659420 1783435990 2140123188 2675153985 3057318840 3566871980 4280246376 5350307970 7133743960 10700615940 21401231880
• Sum of all divisors σ(n): 74647411200
• Sum of proper divisors (its aliquot sum) s(n): 53246179320
• 21401231880 is an abundant number, because the sum of its proper divisors (53246179320) is greater than itself. Its abundance is 31844947440

Bases of 21401231880

• Binary: 10011111011100111001110001000001000₂
• Hexadecimal: 0x4FB9CE208
• Base-36: 9TXQO7C

Squares and roots of 21401231880

• 21401231880 squared (21401231880²) is 458012725981528334400
• 21401231880 cubed (21401231880³) is 9802036552721588481284580672000
• The square root of 21401231880 is 146291.5988018451
• The cube root of 21401231880 is 2776.3843702143

Scales and comparisons

• 21,401,231,880 seconds is equal to 680 years, 25 weeks, 4 days, 10 hours, 38 minutes.
• To count from 1 to 21,401,231,880 would take you about one thousand, three hundred sixty 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 21401231880 cubic inches would be around 231.4 feet tall.

Recreational maths with 21401231880

• 21401231880 backwards is 08813210412
• 21401231880 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21401231880's digits is 30
• More coming soon!