18920536992

Names of 18920536992

• Cardinal: 18920536992 can be written as Eighteen billion, nine hundred twenty million, five hundred thirty-six thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8920536992 × 10¹⁰

Factors of 18920536992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 723

Divisors of 18920536992

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 41 42 48 49 53 56 63 72 82 84 96 98 106 112 123 126 144 147 159 164 168 196 212 224 246 252 287 288 294 318 328 336 369 371 392 424 441 477 492 504 574 588 617 636 656 672 738 742 784 848 861 882 954 984 1008 1113 1148 1176 1234 1272 1312 1476 1484 1568 1696 1722 1764 1851 1908 1968 2009 2016 2173 2226 2296 2352 2468 2544 2583 2597 2952 2968 3339 3444 3528 3702 3816 3936 4018 4319 4346 4452 4592 4704 4936 5088 5166 5194 5553 5904 5936 6027 6519 6678 6888 7056 7404 7632 7791 8036 8638 8692 8904 9184 9872 10332 10388 11106 11808 11872 12054 12957 13038 13356 13776 14112 14808 15211 15264 15582 16072 17276 17384 17808 18081 19557 19744 20664 20776 22212 23373 24108 25297 25914 26076 26712 27552 29616 30233 30422 31164 32144 32701 34552 34768 35616 36162 38871 39114 41328 41552 44424 45633 46746 48216 50594 51828 52152 53424 59232 60466 60844 62328 64288 65402 69104 69536 72324 75891 77742 78228 82656 83104 88848 90699 91266 93492 96432 98103 101188 103656 104304 106477 106848 120932 121688 124656 130804 136899 138208 144648 151782 155484 156456 177079 177696 181398 182532 186984 192864 196206 202376 207312 208608 212954 227673 228907 241864 243376 249312 261608 272097 273798 289296 294309 303564 310968 312912 319431 354158 362796 365064 373968 392412 404752 414624 425908 455346 457814 483728 486752 523216 531237 544194 547596 578592 588618 607128 621936 625824 638862 686721 708316 725592 730128 747936 784824 809504 851816 910692 915628 958293 967456 1046432 1062474 1088388 1095192 1177236 1214256 1239553 1243872 1277724 1340741 1373442 1416632 1451184 1460256 1569648 1593711 1602349 1703632 1821384 1831256 1916586 2060163 2124948 2176776 2190384 2354472 2428512 2479106 2555448 2681482 2746884 2833264 2902368 3139296 3187422 3204698 3407264 3642768 3662512 3718659 3833172 4022223 4120326 4249896 4353552 4380768 4708944 4807047 4958212 5110896 5362964 5493768 5666528 6374844 6409396 7285536 7325024 7437318 7666344 8044446 8240652 8499792 8707104 9385187 9417888 9614094 9916424 10221792 10725928 10987536 11155977 12066669 12749688 12818792 14421141 14874636 15332688 16088892 16481304 16999584 18770374 19228188 19832848 21451856 21975072 22311954 24133338 25499376 25637584 28155561 28842282 29749272 30665376 32177784 32962608 37540748 38456376 39665696 42903712 44623908 48266676 50998752 51275168 56311122 57684564 59498544 64355568 65696309 65925216 75081496 76912752 84466683 89247816 96533352 112622244 115369128 118997088 128711136 131392618 150162992 153825504 168933366 178495632 193066704 197088927 225244488 230738256 262785236 300325984 337866732 356991264 386133408 394177854 450488976 461476512 525570472 591266781 675733464 788355708 900977952 1051140944 1182533562 1351466928 1576711416 2102281888 2365067124 2702933856 3153422832 4730134248 6306845664 9460268496 18920536992
• Sum of all divisors σ(n): 65432013192
• Sum of proper divisors (its aliquot sum) s(n): 46511476200
• 18920536992 is an abundant number, because the sum of its proper divisors (46511476200) is greater than itself. Its abundance is 27590939208

Bases of 18920536992

• Binary: 10001100111110000000111101110100000₂
• Hexadecimal: 0x467C07BA0
• Base-36: 8OWSRS0

Squares and roots of 18920536992

• 18920536992 squared (18920536992²) is 357986720065640408064
• 18920536992 cubed (18920536992³) is 6773300979646698008944887103488
• The square root of 18920536992 is 137551.9428870417
• The cube root of 18920536992 is 2664.6764643077

Scales and comparisons

• 18,920,536,992 seconds is equal to 601 years, 31 weeks, 6 days, 16 hours, 43 minutes, 12 seconds.
• To count from 1 to 18,920,536,992 would take you about one thousand, two hundred three 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 18920536992 cubic inches would be around 222.1 feet tall.

Recreational maths with 18920536992

• 18920536992 backwards is 29963502981
• The number of decimal digits it has is: 11
• The sum of 18920536992's digits is 54
• More coming soon!