21393426491008

Names of 21393426491008

• Cardinal: 21393426491008 can be written as Twenty-one trillion, three hundred ninety-three billion, four hundred twenty-six million, four hundred ninety-one thousand and eight.

Scientific notation

• Scientific notation: 2.1393426491008 × 10¹³

Factors of 21393426491008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 188

Divisors of 21393426491008

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 31 32 44 52 62 64 88 104 124 128 131 143 169 176 208 248 262 286 338 341 352 403 416 496 524 572 676 682 704 806 832 992 1048 1144 1352 1364 1408 1441 1612 1664 1703 1859 1984 2096 2197 2288 2704 2728 2882 3224 3406 3718 3968 4061 4192 4394 4433 4576 5239 5408 5456 5764 6448 6812 7436 8122 8384 8788 8866 9152 10478 10816 10912 11528 12896 13624 14872 16244 16768 17161 17576 17732 18304 18733 20956 21632 21824 22139 23056 24167 25792 27248 28561 29744 32488 34322 35152 35464 37466 41912 43648 44278 44671 46112 48334 51584 52793 54496 57122 57629 59488 64976 68107 68644 70304 70928 74932 83824 88556 89342 92224 96668 105586 108992 114244 115258 118976 129952 136214 137288 140608 141856 149864 167648 177112 178684 184448 188771 193336 211172 217984 223093 228488 230516 237952 243529 259904 272428 274576 281216 283712 287807 299728 314171 335296 354224 357368 377542 386672 422344 446186 456976 461032 487058 519808 531991 544856 549152 567424 575614 580723 599456 628342 670592 686309 708448 714736 749177 755084 773344 844688 885391 892372 913952 922064 974116 1063982 1089712 1098304 1151228 1161446 1198912 1256684 1372618 1416896 1429472 1498354 1510168 1546688 1689376 1770782 1784744 1827904 1844128 1948232 2127964 2179424 2196608 2302456 2322892 2397824 2454023 2513368 2745236 2833792 2858944 2900209 2996708 3020336 3093376 3165877 3378752 3541564 3569488 3655808 3688256 3741491 3896464 4255928 4358848 4604912 4645784 4908046 5026736 5490472 5717888 5800418 5851901 5993416 6040672 6331754 6757504 6915883 7083128 7138976 7376512 7482982 7549399 7792928 8511856 8717696 8922017 9209824 9291568 9739301 9816092 10053472 10980944 11600836 11703802 11986832 12081344 12663508 13831766 14166256 14277952 14965964 15098798 15585856 17023712 17844034 18419648 18583136 19478602 19632184 20106944 21961888 23201672 23407604 23973664 24162688 25327016 27663532 28332512 28555904 29931928 30197596 31171712 31902299 34047424 35688068 36839296 37166272 37702717 38957204 39264368 40213888 41156401 43923776 46403344 46815208 47947328 50654032 55327064 56665024 59863856 60395192 63804598 68094848 71376136 74332544 75405434 76074713 77914408 78528736 82312802 87847552 89906479 92806688 93630416 95894656 98142187 101308064 110654128 113330048 115986221 119727712 120790384 127609196 142752272 150810868 152149426 155828816 157057472 164625604 179812958 185613376 187260832 196284374 202616128 221308256 231972442 239455424 241580768 255218392 285504544 301621736 304298852 311657632 314114944 329251208 359625916 371226752 374521664 392568748 405232256 414729887 442616512 463944884 478910848 483161536 490135321 510436784 571009088 603243472 608597704 623315264 658502416 719251832 749043328 785137496 829459774 885233024 927889768 966323072 980270642 988971269 1020873568 1142018176 1168784227 1206486944 1217195408 1246630528 1275848431 1317004832 1438503664 1570274992 1658919548 1855779536 1960541284 1977942538 2041747136 2337568454 2412973888 2434390816 2551696862 2634009664 2877007328 3140549984 3317839096 3711559072 3921082568 3955885076 4083494272 4675136908 4825947776 4868781632 5103393724 5268019328 5391488531 5754014656 6281099968 6635678192 7423118144 7842165136 7911770152 9350273816 9737563264 10206787448 10782977062 11508029312 12562199936 12856626497 13271356384 14846236288 15194194951 15684330272 15823540304 18700547632 20413574896 21565954124 25713252994 26542712768 30388389902 31368660544 31647080608 37401095264 40827149792 43131908248 51426505988 53085425536 60776779804 62737321088 63294161216 74802190528 81654299584 86263816496 102853011976 121553559608 126588322432 149604381056 163308599168 167136144461 172527632992 205706023952 243107119216 334272288922 345055265984 411412047904 486214238432 668544577844 690110531968 822824095808 972428476864 1337089155688 1645648191616 1944856953728 2674178311376 5348356622752 10696713245504 21393426491008
• Sum of all divisors σ(n): 52393340856960
• Sum of proper divisors (its aliquot sum) s(n): 30999914365952
• 21393426491008 is an abundant number, because the sum of its proper divisors (30999914365952) is greater than itself. Its abundance is 9606487874944

Bases of 21393426491008

• Binary: 100110111010100001011100101100010011010000000₂
• Hexadecimal: 0x13750B962680
• Base-36: 7L005RR0G

Squares and roots of 21393426491008

• 21393426491008 squared (21393426491008²) is 457678697026162867904856064
• 21393426491008 cubed (21393426491008³) is 9791315561329537047892490690062830272512
• The square root of 21393426491008 is 4625302.8539770237
• The cube root of 21393426491008 is 27760.4679782247

Scales and comparisons

• 21,393,426,491,008 seconds is equal to 680,244 years, 40 weeks, 6 days, 21 hours, 43 minutes, 28 seconds.
• To count from 1 to 21,393,426,491,008 would take you about one million, seven hundred thousand, six hundred eleven 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 21393426491008 cubic inches would be around 2313.4 feet tall.

Recreational maths with 21393426491008

• 21393426491008 backwards is 80019462439312
• 21393426491008 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21393426491008's digits is 52
• More coming soon!