21127262044840

Names of 21127262044840

• Cardinal: 21127262044840 can be written as Twenty-one trillion, one hundred twenty-seven billion, two hundred sixty-two million, forty-four thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.112726204484 × 10¹³

Factors of 21127262044840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 61

Divisors of 21127262044840

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 47 49 56 70 94 98 140 188 196 235 245 280 329 376 392 470 490 658 940 980 1316 1645 1880 1960 2209 2303 2632 3290 4418 4606 6580 8836 9212 11045 11515 13160 15463 17672 18424 22090 23030 30926 44180 46060 61852 77315 88360 92120 103823 108241 123704 154630 207646 216482 309260 415292 432964 519115 541205 618520 726761 830584 865928 1038230 1082410 1453522 2076460 2164820 2907044 3633805 4152920 4329640 4879681 5087327 5814088 7267610 9759362 10174654 14535220 19518724 20349308 24398405 25436635 29070440 34157767 39037448 40698616 48796810 50873270 68315534 97593620 101746540 136631068 170788835 195187240 203493080 229345007 239104369 273262136 341577670 458690014 478208738 683155340 917380028 956417476 1146725035 1195521845 1366310680 1605415049 1834760056 1912834952 2293450070 2391043690 3210830098 4586900140 4782087380 6421660196 8027075245 9173800280 9564174760 10779215329 11237905343 12843320392 16054150490 21558430658 22475810686 32108300980 43116861316 44951621372 53896076645 56189526715 64216601960 75454507303 86233722632 89903242744 107792153290 112379053430 150909014606 215584306580 224758106860 301818029212 377272536515 431168613160 449516213720 528181551121 603636058424 754545073030 1056363102242 1509090146060 2112726204484 2640907755605 3018180292120 4225452408968 5281815511210 10563631022420 21127262044840
• Sum of all divisors σ(n): 56499491477610
• Sum of proper divisors (its aliquot sum) s(n): 35372229432770
• 21127262044840 is an abundant number, because the sum of its proper divisors (35372229432770) is greater than itself. Its abundance is 14244967387930

Bases of 21127262044840

• Binary: 100110011011100010010111100110000001010101000₂
• Hexadecimal: 0x133712F302A8
• Base-36: 7HLQABXYG

Squares and roots of 21127262044840

• 21127262044840 squared (21127262044840²) is 446361201511336858170625600
• 21127262044840 cubed (21127262044840³) is 9430390070979646048595992475478051904000
• The square root of 21127262044840 is 4596440.1491632631
• The cube root of 21127262044840 is 27644.8607263965
• Being both a perfect square and a perfect cube, 21127262044840 is also a perfect sixth number.

Scales and comparisons

• 21,127,262,044,840 seconds is equal to 671,781 years, 30 weeks, 1 day, 21 hours, 20 minutes, 40 seconds.
• To count from 1 to 21,127,262,044,840 would take you about one million, six hundred seventy-nine thousand, four hundred fifty-three 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 21127262044840 cubic inches would be around 2303.7 feet tall.

Recreational maths with 21127262044840

• 21127262044840 backwards is 04844026272112
• The number of decimal digits it has is: 14
• The sum of 21127262044840's digits is 43
• More coming soon!