18490682808

Names of 18490682808

• Cardinal: 18490682808 can be written as Eighteen billion, four hundred ninety million, six hundred eighty-two thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8490682808 × 10¹⁰

Factors of 18490682808

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 120

Divisors of 18490682808

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 17 18 19 24 26 27 29 34 36 37 38 39 51 52 54 57 58 68 72 74 76 78 87 102 104 108 111 114 116 117 136 148 152 153 156 171 174 204 216 221 222 228 232 234 247 261 296 306 312 323 333 342 348 351 361 377 408 442 444 456 459 468 481 493 494 513 522 551 612 629 646 663 666 684 696 702 703 722 741 754 783 884 888 918 936 962 969 986 988 999 1026 1044 1073 1083 1102 1131 1224 1258 1292 1326 1332 1368 1404 1406 1443 1444 1479 1482 1508 1566 1653 1768 1836 1887 1924 1938 1972 1976 1989 1998 2052 2088 2109 2146 2166 2204 2223 2262 2516 2584 2652 2664 2808 2812 2886 2888 2907 2958 2964 3016 3132 3219 3249 3306 3393 3672 3774 3848 3876 3944 3978 3996 4104 4199 4218 4292 4329 4332 4408 4437 4446 4524 4693 4959 5032 5304 5624 5661 5772 5814 5916 5928 5967 6137 6264 6327 6409 6438 6498 6612 6669 6786 7163 7548 7752 7956 7992 8177 8398 8436 8584 8658 8664 8721 8874 8892 9048 9139 9367 9386 9657 9747 9918 10179 10469 11322 11544 11628 11832 11934 11951 12274 12597 12654 12818 12876 12987 12996 13224 13311 13338 13357 13572 13949 14079 14326 14877 15096 15912 16354 16796 16872 16983 17316 17442 17748 17784 18241 18278 18411 18734 18772 18981 19227 19314 19494 19836 20358 20387 20938 21489 22644 23256 23868 23902 24531 24548 25194 25308 25636 25752 25974 25992 26622 26676 26714 27144 27417 27898 28101 28158 28652 28971 29754 31407 32708 33592 33966 34632 34884 35496 35853 36482 36556 36822 37468 37544 37791 37962 38454 38628 38988 39672 40071 40716 40774 41847 41876 42237 42978 45288 47736 47804 49062 49096 50388 50616 51272 51948 53244 53352 53428 54723 54834 55233 55796 56202 56316 57304 57681 57942 59508 61161 62814 64467 65416 67932 69768 71706 72964 73112 73593 73644 74936 75582 75924 76908 77256 77976 79781 80142 81432 81548 82251 83694 83752 84303 84474 85956 94221 95608 98124 100776 103896 106488 106856 107559 109446 109668 110466 111592 112404 112632 113373 115362 115884 119016 120213 121771 122322 125541 125628 126711 128934 135864 136097 143412 145928 147186 147288 151164 151848 153816 155363 159562 160284 163096 164169 164502 165699 167388 168606 168948 171912 173043 173641 177973 183483 188442 193401 196248 215118 218892 219336 220779 220932 224808 226746 227069 230724 231768 237133 239343 240426 243542 244644 246753 251082 251256 252909 253422 257868 265031 272194 282663 286824 294372 302328 310726 319124 320568 322677 328338 329004 331398 334776 337212 337896 346086 346579 347282 355946 360639 365313 366966 376623 376884 386802 387353 408291 430236 437784 441558 441864 453492 454138 461448 466089 474266 478686 480852 487084 489288 492507 493506 502164 505818 506844 515736 520923 530062 533919 544388 550449 565326 588744 621452 638248 645354 656676 658008 662796 674424 681207 692172 693158 694564 711399 711892 718029 721278 730626 733932 753246 753768 773604 774706 795093 816582 860472 883116 906984 908276 932178 948532 957372 961704 974168 985014 987012 1004328 1011636 1013688 1039737 1041846 1060124 1067838 1088776 1095939 1100898 1130652 1162059 1224873 1242904 1290708 1313352 1325592 1362414 1384344 1386316 1389128 1398267 1422798 1423784 1436058 1442556 1461252 1467864 1506492 1547208 1549412 1562769 1590186 1601757 1633164 1766232 1816552 1864356 1897064 1914744 1970028 1974024 2023272 2043621 2079474 2083692 2120248 2134197 2135676 2154087 2191878 2201796 2261304 2313649 2324118 2385279 2449746 2581416 2724828 2772632 2796534 2845596 2872116 2885112 2922504 2951897 3012984 3098824 3119211 3125538 3180372 3203514 3266328 3287817 3486177 3674619 3728712 3940056 4087242 4158948 4167384 4194801 4268394 4271352 4308174 4383756 4403592 4505527 4627298 4648236 4688307 4770558 4805271 4899492 5035589 5449656 5593068 5691192 5744232 5903794 6130863 6238422 6251076 6360744 6402591 6407028 6575634 6585001 6940947 6972354 7155837 7349238 8174484 8317896 8389602 8536788 8616348 8767512 8855691 9011054 9254596 9296472 9357633 9376614 9541116 9610542 9798984 10071178 10458531 11186136 11807588 12261726 12476844 12502152 12805182 12814056 13151268 13170002 13516581 13881894 13944708 14311674 14698476 15106767 16348968 16779204 17073576 17232696 17711382 18022108 18509192 18715266 18753228 19082232 19221084 19755003 20142356 20822841 20917062 23615176 24523452 24953688 25610364 26302536 26340004 26567073 27033162 27763788 27889416 28623348 29396952 30213534 33558408 35422764 36044216 37430532 37506456 38442168 39510006 40284712 40549743 41645682 41834124 45320301 49046904 51220728 52680008 53134146 54066324 55527576 57246696 59265009 60427068 62468523 70845528 74861064 79020012 79701219 81099486 83291364 83668248 85605013 90640602 106268292 108132648 118530018 120854136 121649229 124937046 135960903 158040024 159402438 162198972 166582728 171210026 177795027 181281204 212536584 237060036 243298458 249874092 256815039 271921806 318804876 324397944 342420052 355590054 362562408 474120072 486596916 499748184 513630078 543843612 637609752 684840104 711180108 770445117 973193832 1027260156 1087687224 1422360216 1540890234 2054520312 2311335351 3081780468 4622670702 6163560936 9245341404 18490682808
• Sum of all divisors σ(n): 65672208000
• Sum of proper divisors (its aliquot sum) s(n): 47181525192
• 18490682808 is an abundant number, because the sum of its proper divisors (47181525192) is greater than itself. Its abundance is 28690842384

Bases of 18490682808

• Binary: 10001001110001000010110110110111000₂
• Hexadecimal: 0x44E216DB8
• Base-36: 8HSVI60

Squares and roots of 18490682808

• 18490682808 squared (18490682808²) is 341905350706066764864
• 18490682808 cubed (18490682808³) is 6322063390263879390370943258112
• The square root of 18490682808 is 135980.4500948573
• The cube root of 18490682808 is 2644.3421621283

Scales and comparisons

• 18,490,682,808 seconds is equal to 587 years, 49 weeks, 1 day, 12 hours, 46 minutes, 48 seconds.
• To count from 1 to 18,490,682,808 would take you about one thousand, one hundred seventy-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 18490682808 cubic inches would be around 220.4 feet tall.

Recreational maths with 18490682808

• 18490682808 backwards is 80828609481
• 18490682808 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18490682808's digits is 54
• More coming soon!