21243498639271832

Names of 21243498639271832

• Cardinal: 21243498639271832 can be written as Twenty-one quadrillion, two hundred forty-three trillion, four hundred ninety-eight billion, six hundred thirty-nine million, two hundred seventy-one thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1243498639271832 × 10¹⁶

Factors of 21243498639271832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1113

Divisors of 21243498639271832

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 11 14 22 28 44 49 56 77 88 98 121 154 196 242 308 343 392 484 539 616 686 847 968 1078 1093 1372 1694 2156 2186 2401 2744 3388 3773 4312 4372 4802 5929 6776 7546 7651 8744 9604 11858 12023 15092 15302 16807 19208 23716 24046 26411 30184 30604 33614 41503 47432 48092 52822 53557 61208 67228 83006 84161 96184 105644 107114 132253 134456 166012 168322 184877 211288 214228 264506 290521 332024 336644 369754 374899 428456 529012 581042 589127 673288 739508 749798 925771 1058024 1162084 1178254 1194649 1479016 1499596 1851542 2033647 2324168 2356508 2389298 2624293 2999192 3703084 4067294 4123889 4713016 4778596 5248586 6480397 7406168 8134588 8247778 8362543 9557192 10497172 12960794 13141139 16269176 16495556 16725086 18370051 20994344 25921588 26282278 28867223 32991112 33450172 36740102 45362779 51843176 52564556 57734446 58537801 66900344 73480204 90725558 91987973 105129112 115468892 117075602 144552529 146960408 181451116 183975946 202070561 230937784 234151204 289105058 317539453 362902232 367951892 404141122 409764607 468302408 578210116 635078906 643915811 735903784 808282244 819529214 1011867703 1156420232 1270157812 1287831622 1305751357 1616564488 1639058428 2023735406 2222776171 2540315624 2575663244 2611502714 2868352249 3278116856 4047470812 4445552342 4507410677 5151326488 5223005428 5736704498 7083073921 8094941624 8891104684 9014821354 9140259499 10446010856 11473408996 14166147842 14363264927 17782209368 18029642708 18280518998 20078465743 22946817992 28332295684 28726529854 31551874739 36059285416 36561037996 40156931486 49581517447 56664591368 57453059708 63103749478 63981816493 73122075992 80313862972 99163034894 100542854489 114906119416 126207498956 127963632986 157995914197 160627725944 198326069788 201085708978 220863123173 252414997912 255927265972 315991828394 347070622129 396652139576 402171417956 441726246346 447872715451 511854531944 631983656788 694141244258 703799981423 804342835912 883452492692 895745430902 1105971399379 1263967313576 1388282488516 1407599962846 1766904985384 1791490861804 2211942798758 2429494354903 2776564977032 2815199925692 3135109008157 3582981723608 4423885597516 4858988709806 4926599869961 5630399851384 6270218016314 7741799795653 8847771195032 9717977419612 9853199739922 12540436032628 15483599591306 19435954839224 19706399479844 21945763057099 25080872065256 30967199182612 34486199089727 39412798959688 43891526114198 54192598569571 61934398365224 68972398179454 87783052228396 108385197139142 137944796358908 175566104456792 216770394278284 241403393628089 275889592717816 379348189986997 433540788556568 482806787256178 758696379973994 965613574512356 1517392759947988 1931227149024712 2655437329908979 3034785519895976 5310874659817958 10621749319635916 21243498639271832
• Sum of all divisors σ(n): 51125104379916000
• Sum of proper divisors (its aliquot sum) s(n): 29881605740644168
• 21243498639271832 is an abundant number, because the sum of its proper divisors (29881605740644168) is greater than itself. Its abundance is 8638107101372336

Bases of 21243498639271832

• Binary: 1001011011110001101100101110110001011100010011110011000₂
• Hexadecimal: 0x4B78D9762E2798
• Base-36: 5T66WJQXW9K

Squares and roots of 21243498639271832

• 21243498639271832 squared (21243498639271832²) is 451286234436744177765147188636224
• 21243498639271832 cubed (21243498639271832³) is 9586898507179083911624487406758556300680498042368
• The square root of 21243498639271832 is 145751496.1819323211
• The cube root of 21243498639271832 is 276954.6626493459

Scales and comparisons

• 21,243,498,639,271,832 seconds is equal to 675,477,546 years, 14 weeks, 1 day, 10 hours, 10 minutes, 32 seconds.
• To count from 1 to 21,243,498,639,271,832 would take you about two billion, twenty-six million, four hundred thirty-two thousand, six hundred thirty-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 21243498639271832 cubic inches would be around 23079.6 feet tall.

Recreational maths with 21243498639271832

• 21243498639271832 backwards is 23817293689434212
• The number of decimal digits it has is: 17
• The sum of 21243498639271832's digits is 74
• More coming soon!