21828159908464

Names of 21828159908464

• Cardinal: 21828159908464 can be written as Twenty-one trillion, eight hundred twenty-eight billion, one hundred fifty-nine million, nine hundred eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1828159908464 × 10¹³

Factors of 21828159908464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 340

Divisors of 21828159908464

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 52 56 61 91 104 112 122 182 208 244 257 364 427 488 514 728 793 854 976 1028 1456 1586 1708 1799 2056 3172 3341 3416 3598 3721 4112 5551 6344 6682 6832 7196 7442 11102 12688 13364 14392 14884 15677 22204 23387 26047 26728 28784 29768 31354 44408 46774 48373 52094 53456 59536 62708 66049 88816 93548 96746 104188 109739 125416 132098 187096 193492 203801 208376 219478 226981 250832 264196 338611 374192 386984 407602 416752 438956 453962 462343 528392 677222 773968 815204 858637 877912 907924 924686 956297 1056784 1354444 1426607 1588867 1630408 1717274 1755824 1815848 1849372 1912594 2708888 2853214 2950753 3177734 3260816 3434548 3631696 3698744 3825188 4028989 5417776 5706428 5901506 6010459 6355468 6694079 6869096 7397488 7650376 8057978 11412856 11803012 12020918 12431861 12710936 13388158 13738192 15300752 16115956 20655271 22825712 23606024 24041836 24863722 25421872 26776316 28202923 32231912 41310542 47212048 48083672 49727444 52376857 53552632 56405846 58334117 64463824 82621084 87023027 96167344 99454888 104753714 107105264 112811692 116668234 165242168 174046054 198909776 209507428 225623384 233336468 245768329 330484336 348092108 366637999 408338819 419014856 451246768 466672936 491536658 696184216 733275998 758343521 816677638 838029712 933345872 983073316 1392368432 1466551996 1516687042 1633355276 1720378303 1966146632 2933103992 3033374084 3194988277 3266710552 3440756606 3932293264 5308404647 5866207984 6066748168 6389976554 6533421104 6881513212 10616809294 12133496336 12779953108 13763026424 14991868069 21233618588 22364917939 25559906216 27526052848 29983736138 42467237176 44729835878 51119812432 59967472276 84934474352 89459671756 104943076483 119934944552 178919343512 194894284897 209886152966 239869889104 357838687024 389788569794 419772305932 779577139588 839544611864 1364259994279 1559154279176 1679089223728 2728519988558 3118308558352 5457039977116 10914079954232 21828159908464
• Sum of all divisors σ(n): 53126004398656
• Sum of proper divisors (its aliquot sum) s(n): 31297844490192
• 21828159908464 is an abundant number, because the sum of its proper divisors (31297844490192) is greater than itself. Its abundance is 9469684581728

Bases of 21828159908464

• Binary: 100111101101001000011101101111010101001110000₂
• Hexadecimal: 0x13DA43B7AA70
• Base-36: 7QJPUTMR4

Squares and roots of 21828159908464

• 21828159908464 squared (21828159908464²) is 476468564989475100858839296
• 21828159908464 cubed (21828159908464³) is 10400432027946634252686288735160646201344
• The square root of 21828159908464 is 4672061.6336328441
• The cube root of 21828159908464 is 27947.2475759063

Scales and comparisons

• 21,828,159,908,464 seconds is equal to 694,067 years, 50 weeks, 1 day, 16 hours, 21 minutes, 4 seconds.
• To count from 1 to 21,828,159,908,464 would take you about one million, seven hundred thirty-five thousand, one hundred sixty-nine 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 21828159908464 cubic inches would be around 2328.9 feet tall.

Recreational maths with 21828159908464

• 21828159908464 backwards is 46480995182812
• The number of decimal digits it has is: 14
• The sum of 21828159908464's digits is 67
• More coming soon!