18149339520

Names of 18149339520

• Cardinal: 18149339520 can be written as Eighteen billion, one hundred forty-nine million, three hundred thirty-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.814933952 × 10¹⁰

Factors of 18149339520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 261

Divisors of 18149339520

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 47 48 52 54 60 64 65 72 78 80 81 90 94 96 104 108 117 120 128 130 135 141 144 156 160 162 180 188 191 192 195 208 216 234 235 240 243 260 270 282 288 312 320 324 351 360 376 382 384 390 405 416 423 432 468 470 480 486 520 540 564 573 576 585 611 624 640 648 702 705 720 752 764 780 810 832 846 864 936 940 955 960 972 1040 1053 1080 1128 1146 1152 1170 1215 1222 1248 1269 1296 1404 1410 1440 1504 1528 1560 1620 1664 1692 1719 1728 1755 1833 1872 1880 1910 1920 1944 2080 2106 2115 2160 2256 2292 2340 2430 2444 2483 2496 2538 2592 2808 2820 2865 2880 3008 3055 3056 3120 3159 3240 3384 3438 3456 3510 3666 3744 3760 3807 3820 3888 4160 4212 4230 4320 4512 4584 4680 4860 4888 4966 4992 5076 5157 5184 5265 5499 5616 5640 5730 5760 6016 6110 6112 6240 6318 6345 6480 6768 6876 7020 7332 7449 7488 7520 7614 7640 7776 8320 8424 8460 8595 8640 8977 9024 9165 9168 9360 9720 9776 9932 10152 10314 10368 10530 10998 11232 11280 11421 11460 12220 12224 12415 12480 12636 12690 12960 13536 13752 14040 14664 14898 14976 15040 15228 15280 15471 15552 15795 16497 16848 16920 17190 17280 17954 18048 18330 18336 18720 19035 19440 19552 19864 20304 20628 21060 21996 22347 22464 22560 22842 22920 24440 24448 24830 24960 25272 25380 25785 25920 26931 27072 27495 27504 28080 29328 29796 30080 30456 30560 30942 31104 31590 32994 33696 33840 34380 35908 36660 36672 37245 37440 38070 38880 39104 39728 40608 41256 42120 43992 44694 44885 44928 45120 45684 45840 46413 48880 49491 49660 50544 50760 51570 51840 53862 54144 54990 55008 56160 57105 58656 59592 60912 61120 61884 63180 65988 67041 67392 67680 68760 71816 73320 73344 74490 74880 76140 77355 77760 78208 79456 80793 81216 82485 82512 84240 87984 89388 89770 90240 91368 91680 92826 97760 98982 99320 101088 101520 103140 107724 109980 110016 111735 112320 114210 116701 117312 119184 121824 122240 123768 126360 131976 134082 134655 134784 135360 137520 143632 146640 148473 148980 152280 154710 155520 158912 161586 162432 164970 165024 168480 175968 178776 179540 182736 183360 185652 195520 197964 198640 201123 202176 203040 206280 215448 219960 220032 223470 224640 228420 232065 233402 234624 238368 242379 243648 247455 247536 252720 263952 268164 269310 270720 275040 287264 293280 296946 297960 304560 309420 317824 323172 329940 330048 335205 336960 350103 351936 357552 359080 365472 366720 371304 391040 395928 397280 402246 403965 404352 406080 412560 430896 439920 446940 456840 464130 466804 476736 484758 487296 494910 495072 505440 527904 536328 538620 550080 574528 583505 586560 593892 595920 603369 609120 618840 646344 659880 660096 670410 673920 700206 703872 715104 718160 727137 730944 742365 742608 791856 794560 804492 807930 812160 825120 861792 879840 893880 913680 928260 933608 953472 969516 989820 990144 1005615 1010880 1050309 1055808 1072656 1077240 1100160 1149056 1167010 1173120 1187784 1191840 1206738 1211895 1218240 1237680 1292688 1319760 1340820 1400412 1430208 1436320 1454274 1461888 1484730 1485216 1583712 1589120 1608984 1615860 1650240 1723584 1750515 1759680 1787760 1827360 1856520 1867216 1939032 1979640 1980288 2011230 2021760 2100618 2111616 2145312 2154480 2181411 2334020 2375568 2383680 2413476 2423790 2436480 2475360 2585376 2639520 2681640 2800824 2860416 2872640 2908548 2969460 2970432 3016845 3150927 3167424 3217968 3231720 3300480 3447168 3501030 3519360 3575520 3635685 3654720 3713040 3734432 3878064 3959280 4022460 4201236 4290624 4308960 4362822 4668040 4751136 4767360 4826952 4847580 4950720 5170752 5251545 5279040 5363280 5601648 5745280 5817096 5938920 5940864 6033690 6301854 6334848 6435936 6463440 7002060 7151040 7271370 7309440 7426080 7468864 7756128 7918560 8044920 8402472 8581248 8617920 8725644 9336080 9452781 9502272 9653904 9695160 9901440 10341504 10503090 10558080 10726560 10907055 11203296 11634192 11877840 12067380 12603708 12871872 12926880 14004120 14302080 14542740 14852160 14937728 15512256 15754635 15837120 16089840 16804944 17235840 17451288 18672160 18905562 19004544 19307808 19390320 21006180 21453120 21814110 22406592 23268384 23755680 24134760 25207416 25743744 25853760 28008240 28358343 29085480 29704320 31024512 31509270 31674240 32179680 33609888 34902576 37344320 37811124 38615616 38780640 42012360 42906240 43628220 44813184 46536768 47263905 47511360 48269520 50414832 51707520 56016480 56716686 58170960 63018540 64359360 67219776 69805152 74688640 75622248 77231232 77561280 84024720 87256440 93073536 94527810 95022720 96539040 100829664 112032960 113433372 116341920 126037080 128718720 134439552 139610304 141791715 151244496 155122560 168049440 174512880 189055620 193078080 201659328 224065920 226866744 232683840 252074160 279220608 283583430 302488992 336098880 349025760 378111240 386156160 403318656 453733488 465367680 504148320 567166860 604977984 672197760 698051520 756222480 907466976 1008296640 1134333720 1209955968 1396103040 1512444960 1814933952 2016593280 2268667440 3024889920 3629867904 4537334880 6049779840 9074669760 18149339520
• Sum of all divisors σ(n): 71856046080
• Sum of proper divisors (its aliquot sum) s(n): 53706706560
• 18149339520 is an abundant number, because the sum of its proper divisors (53706706560) is greater than itself. Its abundance is 35557367040

Bases of 18149339520

• Binary: 10000111001110010001111000110000000₂
• Hexadecimal: 0x439C8F180
• Base-36: 8C5NC00

Squares and roots of 18149339520

• 18149339520 squared (18149339520²) is 329398525012233830400
• 18149339520 cubed (18149339520³) is 5978365667834243941559697408000
• The square root of 18149339520 is 134719.4845595841
• The cube root of 18149339520 is 2627.9692246349

Scales and comparisons

• 18,149,339,520 seconds is equal to 577 years, 4 weeks, 5 days, 19 hours, 12 minutes.
• To count from 1 to 18,149,339,520 would take you about one thousand, one hundred fifty-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 18149339520 cubic inches would be around 219 feet tall.

Recreational maths with 18149339520

• 18149339520 backwards is 02593394181
• 18149339520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18149339520's digits is 45
• More coming soon!