21449512412172

Names of 21449512412172

• Cardinal: 21449512412172 can be written as Twenty-one trillion, four hundred forty-nine billion, five hundred twelve million, four hundred twelve thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.1449512412172 × 10¹³

Factors of 21449512412172

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 311

Divisors of 21449512412172

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 169 234 243 293 324 338 351 468 486 507 586 676 702 729 879 972 1014 1053 1172 1404 1458 1521 1758 2028 2106 2187 2197 2637 2916 3042 3159 3516 3809 4212 4374 4394 4563 5274 6084 6318 6591 7618 7911 8748 8788 9126 9477 10548 11427 12636 13182 13689 15236 15822 18252 18954 19773 22854 23733 26364 27378 28431 28561 31644 34281 37908 39546 41067 45708 47466 49517 54756 56862 57122 59319 68562 71199 79092 82134 85683 85849 94932 99034 102843 113724 114244 118638 123201 137124 142398 148551 164268 171366 171698 177957 198068 205686 213597 237276 246402 257049 257547 284796 297102 308529 342732 343396 355914 369603 411372 427194 445653 492804 514098 515094 533871 594204 617058 640791 643721 711828 739206 771147 772641 854388 891306 925587 1028196 1030188 1067742 1116037 1234116 1281582 1287442 1336959 1478412 1542294 1545282 1601613 1782612 1851174 1931163 2135484 2232074 2313441 2317923 2563164 2574884 2673918 2776761 3084588 3090564 3203226 3348111 3702348 3862326 4010877 4464148 4626882 4635846 4804839 5347836 5553522 5793489 6406452 6696222 6940323 6953769 7724652 8021754 8330283 8368373 9253764 9271692 9609678 10044333 11107044 11586978 12032631 13392444 13880646 13907538 14508481 16043508 16660566 16736746 17380467 19219356 20088666 20820969 20861307 23173956 24065262 25105119 27761292 27815076 29016962 30132999 33321132 33473492 34760934 36097893 40177332 41641938 41722614 43525443 48130524 50210238 52141401 58033924 60265998 62462907 62583921 69521868 72195786 75315357 83283876 83445228 87050886 90398997 100420476 104282802 108293679 120531996 124925814 125167842 130576329 144391572 150630714 156424203 174101772 180797994 187751763 188610253 208565604 216587358 225946071 249851628 250335684 261152658 271196991 301261428 312848406 361595988 375503526 377220506 391728987 433174716 451892142 469272609 522305316 542393982 565830759 625696812 677838213 751007052 754441012 783457974 813590973 903784284 938545218 1084787964 1131661518 1175186961 1355676426 1407817827 1566915948 1627181946 1697492277 1877090436 2033514639 2263323036 2350373922 2440772919 2451933289 2711352852 2815635654 3254363892 3394984554 3525560883 4067029278 4700747844 4881545838 4903866578 5092476831 5631271308 6100543917 6789969108 7051121766 7355799867 8134058556 9763091676 9807733156 10184953662 10576682649 12201087834 14102243532 14711599734 15277430493 18301631751 20369907324 21153365298 22067399601 24402175668 29423199468 30554860986 31730047947 36603263502 42306730596 44134799202 45832291479 61109721972 63460095894 66202198803 73206527004 88269598404 91664582958 126920191788 132404397606 137496874437 183329165916 198606596409 264808795212 274993748874 397213192818 412490623311 549987497748 595819789227 794426385636 824981246622 1191639578454 1649962493244 1787459367681 2383279156908 3574918735362 5362378103043 7149837470724 10724756206086 21449512412172
• Sum of all divisors σ(n): 61196448926480
• Sum of proper divisors (its aliquot sum) s(n): 39746936514308
• 21449512412172 is an abundant number, because the sum of its proper divisors (39746936514308) is greater than itself. Its abundance is 18297424102136

Bases of 21449512412172

• Binary: 100111000001000011010100100010110010000001100₂
• Hexadecimal: 0x13821A91640C
• Base-36: 7LPRPVOR0

Squares and roots of 21449512412172

• 21449512412172 squared (21449512412172²) is 460081582719920690013757584
• 21449512412172 cubed (21449512412172³) is 9868525619162677592333524107449498912448
• The square root of 21449512412172 is 4631361.8312729573
• The cube root of 21449512412172 is 27784.7061523475

Scales and comparisons

• 21,449,512,412,172 seconds is equal to 682,028 years, 7 weeks, 4 days, 12 hours, 16 minutes, 12 seconds.
• To count from 1 to 21,449,512,412,172 would take you about one million, seven hundred five thousand and seventy 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 21449512412172 cubic inches would be around 2315.4 feet tall.

Recreational maths with 21449512412172

• 21449512412172 backwards is 27121421594412
• The number of decimal digits it has is: 14
• The sum of 21449512412172's digits is 45
• More coming soon!