21139898911812

Names of 21139898911812

• Cardinal: 21139898911812 can be written as Twenty-one trillion, one hundred thirty-nine billion, eight hundred ninety-eight million, nine hundred eleven thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 2.1139898911812 × 10¹³

Factors of 21139898911812

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2101

Divisors of 21139898911812

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 12 18 23 27 36 41 46 53 54 69 82 92 106 108 123 138 159 164 207 212 246 276 318 369 414 477 492 621 636 738 828 943 954 1107 1219 1242 1431 1476 1886 1908 1979 2173 2214 2438 2484 2829 2862 3657 3772 3958 4346 4428 4876 5658 5724 5937 6519 7314 7916 8487 8692 10971 11316 11874 13038 14628 16974 17811 19557 21942 23748 25461 26076 32913 33948 35622 39114 43884 45517 49979 50922 53433 58671 65826 71244 78228 81139 91034 99958 101844 104887 106866 117342 131652 136551 149937 162278 182068 199916 209774 213732 234684 243417 273102 299874 314661 324556 409653 419548 449811 486834 546204 599748 629322 730251 819306 899622 943983 973668 1228959 1258644 1349433 1460502 1638612 1799244 1866197 1887966 2190753 2412401 2457918 2698866 2831949 2921004 3732394 3775932 3916441 4300367 4381506 4824802 4915836 5397732 5598591 5663898 7237203 7464788 7832882 8600734 8763012 9649604 11197182 11327796 11749323 12901101 14474406 15665764 16795773 17201468 21711609 22394364 23498646 25802202 28948812 33591546 35247969 38703303 43423218 46997292 50387319 51604404 65134827 67183092 70495938 77406606 86846436 90078143 98908441 100774638 105743907 116109909 130269654 140991876 154813212 160574081 180156286 197816882 201549276 207571373 211487814 232219818 260539308 270234429 296725323 321148162 360312572 395633764 415142746 422975628 464439636 481722243 540468858 593450646 622714119 642296324 810703287 830285492 890175969 963444486 1080937716 1186901292 1245428238 1445166729 1621406574 1780351938 1868142357 1926888972 2432109861 2490856476 2670527907 2890333458 3242813148 3560703876 3693203863 3736284714 4335500187 4774141579 4864219722 5341055814 5604427071 5780666916 7386407726 7472569428 8510426293 8671000374 9548283158 9728439444 10682111628 11079611589 11208854142 14322424737 14772815452 17020852586 17342000748 19096566316 22159223178 22417708284 25531278879 28644849474 33238834767 34041705172 42967274211 44318446356 51062557758 57289698948 66477669534 76593836637 85934548422 99716504301 102125115516 128901822633 132955339068 153187673274 171869096844 195739804739 199433008602 229781509911 257803645266 306375346548 391479609478 398866017204 459563019822 515607290532 587219414217 782959218956 919126039644 1174438828434 1761658242651 2348877656868 3523316485302 5284974727953 7046632970604 10569949455906 21139898911812
• Sum of all divisors σ(n): 59720497724160
• Sum of proper divisors (its aliquot sum) s(n): 38580598812348
• 21139898911812 is an abundant number, because the sum of its proper divisors (38580598812348) is greater than itself. Its abundance is 17440699900536

Bases of 21139898911812

• Binary: 100110011101000000100001010100100110001000100₂
• Hexadecimal: 0x133A042A4C44
• Base-36: 7HRJ9ZUX0

Squares and roots of 21139898911812

• 21139898911812 squared (21139898911812²) is 446895326001630181753123344
• 21139898911812 cubed (21139898911812³) is 9447322015835730868180907958257814539328
• The square root of 21139898911812 is 4597814.5799729679
• The cube root of 21139898911812 is 27650.3713757591

Scales and comparisons

• 21,139,898,911,812 seconds is equal to 672,183 years, 20 weeks, 3 days, 22 hours, 10 minutes, 12 seconds.
• To count from 1 to 21,139,898,911,812 would take you about one million, six hundred eighty thousand, four hundred fifty-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 21139898911812 cubic inches would be around 2304.2 feet tall.

Recreational maths with 21139898911812

• 21139898911812 backwards is 21811989893112
• The number of decimal digits it has is: 14
• The sum of 21139898911812's digits is 63
• More coming soon!