21492516367972

Names of 21492516367972

• Cardinal: 21492516367972 can be written as Twenty-one trillion, four hundred ninety-two billion, five hundred sixteen million, three hundred sixty-seven thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 2.1492516367972 × 10¹³

Factors of 21492516367972

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8344

Divisors of 21492516367972

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 13 26 29 31 37 41 52 58 62 74 82 116 124 148 164 377 403 481 533 754 806 899 962 1066 1073 1147 1189 1271 1369 1508 1517 1612 1798 1924 2132 2146 2294 2378 2542 2738 3034 3596 4292 4588 4756 5084 5476 6068 8191 11687 13949 14911 15457 16382 16523 17797 19721 23374 27898 29822 30914 32764 33046 33263 35594 36859 39442 39701 42439 43993 46748 47027 55796 56129 59644 61828 66092 66526 71188 73718 78884 79402 84878 87986 94054 106483 112258 133052 147436 158804 169756 175972 188108 212966 224516 237539 253921 303067 335831 425932 432419 475078 479167 507842 516113 551707 571909 606134 611351 671662 729677 864838 950156 958334 1015684 1032226 1103414 1143818 1212268 1222702 1230731 1343324 1363783 1459354 1627741 1729676 1739999 1916668 2064452 2206828 2287636 2445404 2461462 2727566 2918708 3088007 3255482 3300973 3479998 3939871 4365803 4922924 5455132 6176014 6510964 6601946 6959996 7363709 7879742 8731606 8788943 9395077 9739099 10410761 11213479 12352028 12425747 13203892 14727418 15759484 15999503 17463212 17577886 17729179 18790154 19478198 20821522 21160633 22426958 22619987 24851494 29454836 31999006 35155772 35458358 37580308 38956396 41643044 42321266 44853916 45239974 49702988 50459971 63998012 70916716 84642532 90479948 95728217 100919942 114256259 122136001 126608287 135339893 145775227 161534711 191456434 201839884 228512518 244272002 253216574 270679786 272457233 291550454 301912069 323069422 325190891 347617849 360346663 382912868 385198157 457025036 459752639 488544004 506433148 541359572 544914466 583100908 603824138 646138844 650381782 655979623 695235698 720693326 770396314 919505278 1089828932 1207648276 1300763564 1311959246 1390471396 1441386652 1540792628 1839010556 2623918492 3541944029 3924856897 4227481583 4519032037 4684506619 5007576041 5976784307 7083888058 7849713794 8454963166 9038064074 9369013238 10015152082 10080917621 11170746553 11953568614 13332826531 14167776116 14252331809 15699427588 16909926332 18076128148 18738026476 20030304164 20161835242 22341493106 23907137228 26665653062 28504663618 40323670484 44682986212 53331306124 57009327236 131051929073 145219705189 173326744903 185280313517 262103858146 290439410378 346653489806 370560627034 413317622461 524207716292 580878820756 693306979612 741121254068 826635244922 1653270489844 5373129091993 10746258183986 21492516367972
• Sum of all divisors σ(n): 45543944355840
• Sum of proper divisors (its aliquot sum) s(n): 24051427987868
• 21492516367972 is an abundant number, because the sum of its proper divisors (24051427987868) is greater than itself. Its abundance is 2558911619896

Bases of 21492516367972

• Binary: 100111000110000011101110011011010111001100100₂
• Hexadecimal: 0x138C1DCDAE64
• Base-36: 7M9IXBPES

Squares and roots of 21492516367972

• 21492516367972 squared (21492516367972²) is 461928259827544330507392784
• 21492516367972 cubed (21492516367972³) is 9928000685172319389400569913870881514048
• The square root of 21492516367972 is 4636002.1967177713
• The cube root of 21492516367972 is 27803.2622019209

Scales and comparisons

• 21,492,516,367,972 seconds is equal to 683,395 years, 28 weeks, 11 hours, 32 minutes, 52 seconds.
• To count from 1 to 21,492,516,367,972 would take you about one million, seven hundred eight thousand, four hundred eighty-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 21492516367972 cubic inches would be around 2316.9 feet tall.

Recreational maths with 21492516367972

• 21492516367972 backwards is 27976361529412
• The number of decimal digits it has is: 14
• The sum of 21492516367972's digits is 64
• More coming soon!