21075115145427

Names of 21075115145427

• Cardinal: 21075115145427 can be written as Twenty-one trillion, seventy-five billion, one hundred fifteen million, one hundred forty-five thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 2.1075115145427 × 10¹³

Factors of 21075115145427

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 62

Divisors of 21075115145427

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 7 9 21 23 27 29 49 63 69 87 147 161 189 203 207 261 343 441 483 609 621 667 783 841 1029 1127 1323 1421 1449 1827 2001 2401 2523 3087 3381 4263 4347 4669 5481 5887 6003 7203 7569 7889 9261 9947 10143 12789 14007 16807 17661 18009 19343 21609 22707 23667 29841 30429 32683 38367 41209 42021 50421 52983 55223 58029 64827 69629 71001 89523 98049 117649 123627 126063 135401 151263 158949 165669 174087 208887 213003 228781 268569 288463 294147 352947 370881 386561 406203 453789 487403 497007 522261 626661 686343 823543 865389 882441 947807 1058841 1112643 1159683 1218609 1462209 1491021 1601467 1879983 2019241 2059029 2470629 2596167 2705927 2843421 3176523 3411821 3479049 3655827 4386627 4804401 5764801 6057723 6177087 6634649 7411887 7788501 8117781 8530263 10235463 10437147 11210269 13159881 14134687 14413203 17294403 18173169 18941489 19903947 22235661 23882747 24353343 25590789 30706389 33630807 40353607 42404061 43239609 46442543 51883209 54519507 56824467 59711841 71648241 73060029 78471883 92119167 98942809 100892421 121060821 127212183 132590423 139327629 155649627 167179229 170473401 179135523 214944723 235415649 296828427 302677263 325097801 363182463 381636549 397771269 417982887 501537687 511420203 549303181 644834169 692599663 706246947 890485281 928132961 975293403 1089547389 1170254603 1193313807 1253948661 1504613061 1647909543 2077798989 2118740841 2275684607 2671455843 2784398883 2925880209 3510763809 3579941421 3845122267 4513839183 4848197641 4943728629 6233396967 6827053821 8353196649 8777640627 10532291427 11535366801 14544592923 14831185887 15929792249 18700190901 20481161463 25059589947 26915855869 31596874281 33937383487 34606100403 43633778769 47789376747 61443484389 80747567607 101812150461 103818301209 111508545743 130901336307 143368130241 242242702821 305436451383 334525637229 430104390723 726728108463 780559820201 916309354149 1003576911687 2341679460603 3010730735061 7025038381809 21075115145427
• Sum of all divisors σ(n): 39365750561280
• Sum of proper divisors (its aliquot sum) s(n): 18290635415853
• 21075115145427 is a deficient number, because the sum of its proper divisors (18290635415853) is less than itself. Its deficiency is 2784479729574

Bases of 21075115145427

• Binary: 100110010101011101110110000000111100011010011₂
• Hexadecimal: 0x132AEEC078D3
• Base-36: 7GXRVEWUR

Squares and roots of 21075115145427

• 21075115145427 squared (21075115145427²) is 444160478393006519359012329
• 21075115145427 cubed (21075115145427³) is 9360733225180553482500670210915920969483
• The square root of 21075115145427 is 4590764.1134594357
• The cube root of 21075115145427 is 27622.0973814463

Scales and comparisons

• 21,075,115,145,427 seconds is equal to 670,123 years, 24 weeks, 3 days, 19 hours, 30 minutes, 27 seconds.
• To count from 1 to 21,075,115,145,427 would take you about one million, six hundred seventy-five thousand, three hundred 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 21075115145427 cubic inches would be around 2301.8 feet tall.

Recreational maths with 21075115145427

• 21075115145427 backwards is 72454151157012
• The number of decimal digits it has is: 14
• The sum of 21075115145427's digits is 45
• More coming soon!