18509009904

Names of 18509009904

• Cardinal: 18509009904 can be written as Eighteen billion, five hundred nine million, nine thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.8509009904 × 10¹⁰

Factors of 18509009904

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 205

Divisors of 18509009904

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 19 21 22 24 28 33 36 38 42 44 48 49 56 57 63 66 72 76 77 84 88 98 99 112 114 121 126 132 133 144 147 152 154 163 168 171 176 196 198 209 228 231 242 252 264 266 294 304 308 326 336 342 343 363 392 396 399 418 441 456 462 484 489 504 528 532 539 588 616 627 652 684 686 693 726 784 792 798 836 847 882 912 924 931 968 978 1008 1029 1064 1078 1089 1141 1176 1197 1232 1254 1304 1368 1372 1386 1452 1463 1467 1584 1596 1617 1672 1694 1764 1793 1848 1862 1881 1936 1956 2058 2128 2156 2178 2282 2299 2352 2394 2508 2541 2608 2736 2744 2772 2793 2904 2926 2934 3087 3097 3192 3234 3344 3388 3423 3528 3586 3696 3724 3762 3773 3912 4116 4312 4356 4389 4564 4598 4788 4851 5016 5082 5379 5488 5544 5586 5808 5852 5868 5929 6174 6194 6384 6468 6517 6776 6846 6897 7056 7172 7448 7524 7546 7623 7824 7987 8232 8379 8624 8712 8778 9128 9196 9291 9576 9702 10032 10164 10241 10269 10758 11088 11172 11319 11704 11736 11858 12348 12388 12551 12936 13034 13167 13552 13692 13794 14344 14896 15048 15092 15246 15974 16093 16137 16464 16758 17424 17556 17787 18256 18392 18582 19152 19404 19551 19723 20328 20482 20538 20691 21516 21679 22344 22638 23408 23472 23716 23961 24696 24776 25102 25872 26068 26334 27384 27588 27873 28688 30096 30184 30492 30723 31948 32186 32274 33516 33957 34067 35112 35574 36784 37164 37653 38808 39102 39446 40656 40964 41076 41382 41503 43032 43358 44688 45276 47432 47922 48279 49392 49552 50204 52136 52668 53361 54768 55176 55746 55909 58653 59169 60368 60984 61446 63896 64372 64548 65037 67032 67914 68134 70224 71148 71687 71883 74328 75306 77616 78204 78892 81928 82152 82764 83006 86064 86716 87857 90552 92169 94864 95844 96558 100408 102201 104272 105336 106722 110352 111492 111818 112651 112959 117306 118338 121968 122892 124509 127792 128744 129096 130074 134064 135828 136268 138061 142296 143374 143766 144837 148656 150612 151753 156408 157784 163856 164304 165528 166012 167727 173432 175714 177507 181104 184338 191688 193116 195111 200816 204402 210672 213444 215061 222984 223636 225302 225918 234612 236676 238469 245784 249018 257488 258192 260148 263571 271656 272536 276122 284592 286748 287532 289674 301224 303506 306603 312816 315568 331056 332024 335454 337953 346864 351428 355014 368676 373527 374737 383376 386232 390222 408804 414183 426888 430122 445968 447272 450604 451836 455259 469224 473352 476938 491568 498036 503181 520296 527142 543312 545072 552244 573496 575064 579348 602448 607012 613206 614999 645183 664048 670908 675906 702856 710028 715407 737352 747054 749474 772464 780444 788557 790713 817608 828366 853776 860244 894544 901208 903672 910518 938448 946704 953876 966427 996072 1006362 1013859 1040592 1054284 1062271 1104488 1124211 1146992 1150128 1158696 1214024 1226412 1229998 1242549 1290366 1341816 1351812 1365777 1405712 1420056 1430814 1474704 1494108 1498948 1560888 1577114 1581426 1635216 1656732 1669283 1720488 1802416 1807344 1821036 1844997 1907752 1932854 1992144 2012724 2027718 2108568 2124542 2146221 2208976 2248422 2317392 2365671 2428048 2452824 2459996 2485098 2580732 2623159 2683632 2703624 2731554 2840112 2861628 2899281 2988216 2997896 3121776 3154228 3162852 3186813 3313464 3338566 3372633 3440976 3642072 3689994 3815504 3865708 4025448 4055436 4217136 4249084 4292442 4496844 4731342 4905648 4919992 4970196 5007849 5161464 5246318 5407248 5463108 5534991 5723256 5798562 5976432 5995792 6308456 6325704 6373626 6626928 6677132 6745266 6764989 7097013 7284144 7379988 7731416 7869477 8050896 8110872 8498168 8584884 8697843 8993688 9462684 9560439 9839984 9940392 10015698 10322928 10492636 10926216 11069982 11446512 11597124 11684981 12616912 12651408 12747252 13354264 13490532 13529978 14194026 14759976 15023547 15462832 15738954 16221744 16996336 17169768 17395686 17987376 18362113 18925368 19120878 19880784 20031396 20294967 20985272 21852432 22139964 23194248 23369962 23608431 25494504 26708528 26981064 27059956 28388052 29519952 30047094 31477908 34339536 34791372 35054943 36724226 37850736 38241756 40062792 40589934 41970544 44279928 46388496 46739924 47216862 50989008 53962128 54119912 55086339 56776104 60094188 60884901 62955816 69582744 70109886 73448452 76483512 80125584 81179868 88559856 93479848 94433724 105164829 108239824 110172678 113552208 120188376 121769802 125911632 128534791 139165488 140219772 146896904 152967024 162359736 165259017 186959696 188867448 210329658 220345356 240376752 243539604 257069582 280439544 293793808 324719472 330518034 377734896 385604373 420659316 440690712 487079208 514139164 560879088 661036068 771208746 841318632 881381424 974158416 1028278328 1156813119 1322072136 1542417492 1682637264 2056556656 2313626238 2644144272 3084834984 4627252476 6169669968 9254504952 18509009904
• Sum of all divisors σ(n): 70321888000
• Sum of proper divisors (its aliquot sum) s(n): 51812878096
• 18509009904 is an abundant number, because the sum of its proper divisors (51812878096) is greater than itself. Its abundance is 33303868192

Bases of 18509009904

• Binary: 10001001111001110010001001111110000₂
• Hexadecimal: 0x44F3913F0
• Base-36: 8I3SBG0

Squares and roots of 18509009904

• 18509009904 squared (18509009904²) is 342583447626370089216
• 18509009904 cubed (18509009904³) is 6340880425062949272868307595264
• The square root of 18509009904 is 136047.8221214877
• The cube root of 18509009904 is 2645.2155228819

Scales and comparisons

• 18,509,009,904 seconds is equal to 588 years, 27 weeks, 3 days, 15 hours, 38 minutes, 24 seconds.
• To count from 1 to 18,509,009,904 would take you about one thousand, one hundred seventy-seven 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 18509009904 cubic inches would be around 220.4 feet tall.

Recreational maths with 18509009904

• 18509009904 backwards is 40990090581
• The number of decimal digits it has is: 11
• The sum of 18509009904's digits is 45
• More coming soon!