31209986808

Names of 31209986808

• Cardinal: 31209986808 can be written as Thirty-one billion, two hundred nine million, nine hundred eighty-six thousand, eight hundred eight.

Scientific notation

• Scientific notation: 3.1209986808 × 10¹⁰

Factors of 31209986808

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 357

Divisors of 31209986808

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 13 14 18 21 22 24 26 28 31 33 36 39 42 44 52 56 61 62 63 66 72 77 78 84 88 91 93 99 104 117 122 124 126 132 143 154 156 168 182 183 186 198 217 229 231 234 244 248 252 264 273 279 286 308 312 341 364 366 372 396 403 427 429 434 458 462 468 488 504 546 549 558 572 616 651 671 682 687 693 728 732 744 792 793 806 819 854 858 868 916 924 936 1001 1023 1092 1098 1116 1144 1209 1281 1287 1302 1342 1364 1374 1386 1464 1586 1603 1612 1638 1708 1716 1736 1832 1848 1891 1953 2002 2013 2046 2061 2184 2196 2232 2379 2387 2418 2519 2562 2574 2604 2684 2728 2748 2772 2821 2977 3003 3069 3172 3206 3224 3276 3416 3432 3627 3782 3843 3906 4004 4026 4092 4122 4392 4433 4697 4758 4774 4809 4836 5038 5124 5148 5208 5368 5496 5544 5551 5642 5673 5954 6006 6039 6138 6344 6412 6552 7099 7137 7161 7254 7557 7564 7686 7812 8008 8052 8184 8244 8463 8723 8866 8931 9009 9394 9516 9548 9618 9672 10076 10248 10296 11102 11284 11346 11908 12012 12078 12276 12824 13237 13299 13969 14091 14198 14274 14322 14427 14508 15114 15128 15372 15624 16104 16488 16653 16926 17019 17446 17633 17732 17862 18018 18788 19032 19096 19236 20152 20801 20839 21297 21483 22204 22568 22671 22692 23816 24024 24156 24552 24583 25389 26169 26474 26598 26793 27938 28182 28396 28548 28644 28854 29016 30228 30744 31031 32747 33306 33852 34038 34892 35266 35464 35724 36036 37576 38472 39711 39897 41602 41678 41907 42273 42594 42966 44408 45342 45384 48312 49166 49693 49959 50778 52338 52899 52948 53196 53586 55876 56364 56792 57096 57288 57708 60456 61061 62062 62403 62517 63891 65494 66612 67704 68076 69784 70532 71448 72072 73749 78089 78507 79422 79794 83204 83356 83814 84546 85188 85932 90684 92287 93093 97783 98241 98332 99386 99918 101556 104676 105798 105896 106392 107172 111752 112728 115416 119133 122122 124124 124806 125034 125721 127782 130988 133224 136152 141064 145607 147498 149079 153659 156178 157014 158697 158844 159588 166408 166712 167628 169092 170376 171864 172081 181368 181597 183183 184574 186186 187209 187551 195566 196482 196664 198772 199836 203112 209352 211596 214344 221247 229229 234267 238266 244244 248248 249612 250068 251442 255564 261976 270413 276861 279279 291214 293349 294723 294996 298158 307318 312356 314028 317394 317688 319176 335256 338184 344162 363194 366366 369148 372372 374418 375102 391132 392964 397544 399672 423192 433039 436821 442494 447237 458458 460977 468534 476532 488488 499224 500136 502884 511128 516243 540826 544791 546623 549549 553722 558558 582428 586698 589446 589992 596316 614636 624712 628056 634788 646009 687687 688324 702801 726388 732732 738296 744744 748836 750204 782264 785928 811239 830583 866078 873642 880047 884988 894474 916916 921954 937068 953064 1005768 1015157 1032486 1075613 1081652 1089582 1093246 1099098 1107444 1117116 1164856 1173396 1178892 1192632 1229272 1269576 1271179 1292018 1299117 1310463 1375374 1376648 1382931 1405602 1452776 1465464 1497672 1500408 1548729 1622478 1634373 1639869 1661166 1732156 1747284 1760094 1769976 1788948 1833832 1843908 1874136 1892891 1938027 1997567 2030314 2063061 2064972 2151226 2163304 2179164 2186492 2198196 2214888 2234232 2346792 2357784 2433717 2542358 2584036 2598234 2620926 2750748 2765862 2811204 3031273 3045471 3097458 3226839 3244956 3268746 3279738 3322332 3464312 3494568 3520188 3577896 3687816 3785782 3813537 3876054 3897351 3995134 4060628 4126122 4129944 4302452 4358328 4372984 4396392 4763429 4867434 4919607 5084716 5168072 5196468 5241852 5501496 5531724 5622408 5629507 5678673 5814081 5992701 6062546 6090942 6194916 6453678 6489912 6537492 6559476 6644664 7040376 7106099 7571564 7627074 7752108 7794702 7990268 8121256 8252244 8604904 9093819 9136413 9526858 9680517 9734868 9839214 10169432 10392936 10483704 11063448 11259014 11357346 11440611 11628162 11985402 12125092 12181884 12389832 12907356 13074984 13118952 13982969 14212198 14290287 15143128 15254148 15504216 15589404 15980536 16504488 16888521 17036019 17978103 18187638 18272826 19053716 19361034 19469736 19678428 21318297 22518028 22714692 22881222 23256324 23970804 24250184 24363768 25814712 27281457 27965938 28424396 28580574 30508296 31178808 33344003 33777042 34072038 35956206 36375276 36545652 38107432 38722068 39356856 39406549 41948907 42636594 42870861 45036056 45429384 45762444 46512648 47941608 50665563 54562914 55931876 56848792 57161148 61924577 63954891 66688006 67554084 68144076 71912412 72750552 73091304 77444136 78813098 83897814 85273188 85741722 91524888 100032009 101331126 109125828 111863752 114322296 118219647 123849154 125846721 127909782 133376012 135108168 136288152 143824824 157626196 167795628 170546376 171483444 185773731 200064018 202662252 218251656 236439294 247698308 251693442 255819564 266752024 300096027 315252392 335591256 342966888 354658941 371547462 400128036 405324504 433472039 472878588 495396616 503386884 511639128 557321193 600192054 709317882 743094924 800256072 866944078 945757176 1006773768 1114642386 1200384108 1300416117 1418635764 1486189848 1733888156 2229284772 2400768216 2600832234 2837271528 3467776312 3901248351 4458569544 5201664468 7802496702 10403328936 15604993404 31209986808
• Sum of all divisors σ(n): 119592345600
• Sum of proper divisors (its aliquot sum) s(n): 88382358792
• 31209986808 is an abundant number, because the sum of its proper divisors (88382358792) is greater than itself. Its abundance is 57172371984

Bases of 31209986808

• Binary: 11101000100010000101001101011111000₂
• Hexadecimal: 0x744429AF8
• Base-36: EC5MBY0

Squares and roots of 31209986808

• 31209986808 squared (31209986808²) is 974063276555534028864
• 31209986808 cubed (31209986808³) is 30400502011455472720240531226112
• The square root of 31209986808 is 176663.4846480733
• The cube root of 31209986808 is 3148.4576915363

Scales and comparisons

• 31,209,986,808 seconds is equal to 992 years, 19 weeks, 5 days, 16 hours, 46 minutes, 48 seconds.
• To count from 1 to 31,209,986,808 would take you about one thousand, nine hundred eighty-four 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 31209986808 cubic inches would be around 262.4 feet tall.

Recreational maths with 31209986808

• 31209986808 backwards is 80868990213
• The number of decimal digits it has is: 11
• The sum of 31209986808's digits is 54
• More coming soon!