21040645295400

Names of 21040645295400

• Cardinal: 21040645295400 can be written as Twenty-one trillion, forty billion, six hundred forty-five million, two hundred ninety-five thousand, four hundred.

Scientific notation

• Scientific notation: 2.10406452954 × 10¹³

Factors of 21040645295400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 304111

Divisors of 21040645295400

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 25 30 31 40 50 60 61 62 75 93 100 120 122 124 150 155 183 186 200 244 248 300 305 310 366 372 465 488 600 610 620 732 744 775 915 930 1220 1240 1464 1525 1550 1830 1860 1891 2325 2440 3050 3100 3660 3720 3721 3782 4575 4650 5673 6100 6200 7320 7442 7564 9150 9300 9455 11163 11346 12200 14884 15128 18300 18600 18605 18910 22326 22692 28365 29768 36600 37210 37820 44652 45384 47275 55815 56730 74420 75640 89304 93025 94550 111630 113460 115351 141825 148840 186050 189100 223260 226920 230702 279075 283650 304009 346053 372100 378200 446520 461404 558150 567300 576755 608018 692106 744200 912027 922808 1116300 1134600 1153510 1216036 1384212 1520045 1730265 1824054 2232600 2307020 2432072 2768424 2883775 3040090 3460530 3648108 4560135 4614040 5767550 6080180 6921060 7296216 7600225 8651325 9120270 9424279 11535100 12160360 13842120 15200450 17302650 18240540 18544549 18848558 22800675 23070200 28272837 30400900 34605300 36481080 37089098 37697116 45601350 47121395 55633647 56545674 60801800 69210600 74178196 75394232 91202700 92722745 94242790 111267294 113091348 141364185 148356392 182405400 185445490 188485580 222534588 226182696 235606975 278168235 282728370 370890980 376971160 445069176 463613725 471213950 556336470 565456740 574881019 706820925 741781960 927227450 942427900 1112672940 1130913480 1131217489 1149762038 1390841175 1413641850 1724643057 1854454900 1884855800 2225345880 2262434978 2299524076 2781682350 2827283700 2874405095 3393652467 3449286114 3708909800 4524869956 4599048152 5563364700 5654567400 5656087445 5748810190 6787304934 6898572228 8623215285 9049739912 11126729400 11312174890 11497620380 13574609868 13797144456 14372025475 16968262335 17246430570 22624349780 22995240760 27149219736 28280437225 28744050950 33936524670 34492861140 35067742159 43116076425 45248699560 56560874450 57488101900 67873049340 68985722280 70135484318 84841311675 86232152850 105203226477 113121748900 114976203800 135746098680 140270968636 169682623350 172464305700 175338710795 210406452954 226243497800 280541937272 339365246700 344928611400 350677421590 420812905908 526016132385 678730493400 701354843180 841625811816 876693553975 1052032264770 1402709686360 1753387107950 2104064529540 2630080661925 3506774215900 4208129059080 5260161323850 7013548431800 10520322647700 21040645295400
• Sum of all divisors σ(n): 68452156281600
• Sum of proper divisors (its aliquot sum) s(n): 47411510986200
• 21040645295400 is an abundant number, because the sum of its proper divisors (47411510986200) is greater than itself. Its abundance is 26370865690800

Bases of 21040645295400

• Binary: 100110010001011101000001100000100110100101000₂
• Hexadecimal: 0x1322E8304D28
• Base-36: 7GHXSYECO

Squares and roots of 21040645295400

• 21040645295400 squared (21040645295400²) is 442708754446838153261160000
• 21040645295400 cubed (21040645295400³) is 9314877871484259018819650321546664000000
• The square root of 21040645295400 is 4587008.3164738213
• The cube root of 21040645295400 is 27607.0298620575

Scales and comparisons

• 21,040,645,295,400 seconds is equal to 669,027 years, 22 weeks, 5 days, 5 hours, 10 minutes.
• To count from 1 to 21,040,645,295,400 would take you about one million, six hundred seventy-two thousand, five hundred sixty-eight 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 21040645295400 cubic inches would be around 2300.6 feet tall.

Recreational maths with 21040645295400

• 21040645295400 backwards is 00459254604012
• The number of decimal digits it has is: 14
• The sum of 21040645295400's digits is 42
• More coming soon!