21189557093490

Names of 21189557093490

• Cardinal: 21189557093490 can be written as Twenty-one trillion, one hundred eighty-nine billion, five hundred fifty-seven million, ninety-three thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.118955709349 × 10¹³

Factors of 21189557093490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 502

Divisors of 21189557093490

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 31 45 54 62 81 90 93 135 155 162 186 243 270 279 310 405 461 465 486 558 729 810 837 922 930 961 1215 1383 1395 1458 1674 1922 2187 2305 2430 2511 2766 2790 2883 3645 4149 4185 4374 4610 4805 5022 5766 6561 6915 7290 7533 8298 8370 8649 9610 10935 12447 12555 13122 13830 14291 14415 15066 17298 19683 20745 21870 22599 24894 25110 25947 28582 28830 32805 37341 37665 39366 41490 42873 43245 45198 51894 59049 62235 65610 67797 71455 74682 75330 77841 85746 86490 98415 112023 112995 118098 124470 128619 129735 135594 142910 155682 177147 186705 196830 203391 214365 224046 225990 233523 257238 259470 295245 336069 338985 354294 373410 385857 389205 406782 428730 443021 467046 531441 560115 590490 610173 643095 672138 677970 700569 771714 778410 885735 886042 1008207 1016955 1062882 1120230 1157571 1167615 1220346 1286190 1329063 1401138 1594323 1680345 1771470 1830519 1929285 2016414 2033910 2101707 2215105 2315142 2335230 2657205 2658126 3024621 3050865 3188646 3360690 3472713 3502845 3661038 3858570 3987189 4203414 4430210 4782969 5041035 5314410 5491557 5787855 6049242 6101730 6305121 6645315 6945426 7005690 7971615 7974378 9073863 9152595 9565938 10082070 10418139 10508535 10983114 11575710 11961567 12610242 13290630 15123105 15943230 16474671 17363565 18147726 18305190 18915363 19935945 20836278 21017070 23914845 23923134 27221589 27457785 30246210 31254417 31525605 32949342 34727130 35884701 37830726 39871890 45369315 47829690 49424013 52090695 54443178 54915570 56746089 59807835 62508834 63051210 71769402 81664767 82373355 90738630 93763251 94576815 98848026 104181390 107654103 113492178 119615670 136107945 148272039 156272085 163329534 164746710 170238267 179423505 187526502 189153630 215308206 244994301 247120065 272215890 281289753 283730445 296544078 312544170 322962309 340476534 358847010 408323835 468816255 489988602 494240130 510714801 538270515 562579506 567460890 645924618 734982903 741360195 816647670 843869259 851191335 937632510 968886927 1021429602 1076541030 1224971505 1406448765 1469965806 1482720390 1532144403 1614811545 1687738518 1702382670 1937773854 2204948709 2449943010 2531607777 2553574005 2812897530 2906660781 3064288806 3229623090 3674914515 4219346295 4409897418 4596433209 4844434635 5063215554 5107148010 5813321562 7349829030 7594823331 7660722015 8438692590 8719982343 9192866418 9688869270 11024743545 12658038885 14533303905 15189646662 15321444030 17439964686 22049487090 22784469993 22982166045 25316077770 26159947029 29066607810 37974116655 43599911715 45568939986 45964332090 52319894058 68353409979 75948233310 78479841087 87199823430 113922349965 130799735145 136706819958 156959682174 227844699930 235439523261 261599470290 341767049895 392399205435 470879046522 683534099790 706318569783 784798410870 1177197616305 1412637139566 2118955709349 2354395232610 3531592848915 4237911418698 7063185697830 10594778546745 21189557093490
• Sum of all divisors σ(n): 59245111889964
• Sum of proper divisors (its aliquot sum) s(n): 38055554796474
• 21189557093490 is an abundant number, because the sum of its proper divisors (38055554796474) is greater than itself. Its abundance is 16865997702984

Bases of 21189557093490

• Binary: 100110100010110010100000001100000010001110010₂
• Hexadecimal: 0x134594060472
• Base-36: 7IECJ714I

Squares and roots of 21189557093490

• 21189557093490 squared (21189557093490²) is 448997329818272376600380100
• 21189557093490 cubed (21189557093490³) is 9514054555008842530209504838985235549000
• The square root of 21189557093490 is 4603211.6064211083
• The cube root of 21189557093490 is 27672.0049298919

Scales and comparisons

• 21,189,557,093,490 seconds is equal to 673,762 years, 19 weeks, 2 days, 9 hours, 31 minutes, 30 seconds.
• To count from 1 to 21,189,557,093,490 would take you about one million, six hundred eighty-four thousand, four hundred five 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 21189557093490 cubic inches would be around 2306 feet tall.

Recreational maths with 21189557093490

• 21189557093490 backwards is 09439075598112
• The number of decimal digits it has is: 14
• The sum of 21189557093490's digits is 63
• More coming soon!