18089809920

Names of 18089809920

• Cardinal: 18089809920 can be written as Eighteen billion, eighty-nine million, eight hundred nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.808980992 × 10¹⁰

Factors of 18089809920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 749

Divisors of 18089809920

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 52 54 56 60 63 64 65 70 72 78 80 84 90 91 96 104 105 108 112 117 120 126 128 130 135 140 144 156 160 168 180 182 189 192 195 208 210 216 224 234 240 252 256 260 270 273 280 288 312 315 320 336 351 360 364 378 384 390 416 420 432 448 455 468 480 504 512 520 540 546 560 576 585 624 630 640 672 702 719 720 728 756 768 780 819 832 840 864 896 910 936 945 960 1008 1024 1040 1080 1092 1120 1152 1170 1248 1260 1280 1344 1365 1404 1438 1440 1456 1512 1536 1560 1638 1664 1680 1728 1755 1792 1820 1872 1890 1920 2016 2048 2080 2157 2160 2184 2240 2304 2340 2457 2496 2520 2560 2688 2730 2808 2876 2880 2912 3024 3072 3120 3276 3328 3360 3456 3510 3584 3595 3640 3744 3780 3840 4032 4095 4160 4314 4320 4368 4480 4608 4680 4914 4992 5033 5040 5120 5376 5460 5616 5752 5760 5824 6048 6144 6240 6471 6552 6656 6720 6912 7020 7168 7190 7280 7488 7560 7680 8064 8190 8320 8628 8640 8736 8960 9216 9347 9360 9828 9984 10066 10080 10240 10752 10785 10920 11232 11504 11520 11648 12096 12285 12480 12942 13104 13312 13440 13824 14040 14336 14380 14560 14976 15099 15120 15360 16128 16380 16640 17256 17280 17472 17920 18432 18694 18720 19413 19656 19968 20132 20160 21504 21570 21840 22464 23008 23040 23296 24192 24570 24960 25165 25884 26208 26624 26880 27648 28041 28080 28760 29120 29952 30198 30240 30720 32256 32355 32760 33280 34512 34560 34944 35840 37388 37440 38826 39312 39936 40264 40320 43008 43140 43680 44928 45297 46016 46080 46592 46735 48384 49140 49920 50330 51768 52416 53760 55296 56082 56160 57520 58240 59904 60396 60480 64512 64710 65429 65520 66560 69024 69120 69888 71680 74776 74880 75495 77652 78624 79872 80528 80640 84123 86280 87360 89856 90594 92032 92160 93184 93470 96768 97065 98280 99840 100660 103536 104832 107520 112164 112320 115040 116480 119808 120792 120960 129024 129420 130858 131040 133120 135891 138048 138240 139776 140205 149552 149760 150990 155304 157248 161056 161280 168246 172560 174720 179712 181188 184064 186368 186940 193536 194130 196287 196560 199680 201320 207072 209664 215040 224328 224640 226485 230080 232960 239616 241584 241920 252369 258840 261716 262080 271782 276096 276480 279552 280410 299104 299520 301980 310608 314496 322112 322560 327145 336492 345120 349440 359424 362376 368128 373880 387072 388260 392574 393120 399360 402640 414144 419328 420615 448656 449280 452970 460160 465920 483168 483840 504738 517680 523432 524160 543564 552192 559104 560820 588861 598208 599040 603960 621216 628992 644224 645120 654290 672984 679455 690240 698880 718848 724752 736256 747760 776520 785148 786240 805280 828288 838656 841230 897312 898560 905940 920320 931840 966336 967680 981435 1009476 1035360 1046864 1048320 1087128 1104384 1121640 1177722 1196416 1198080 1207920 1242432 1257984 1261845 1288448 1308580 1345968 1358910 1380480 1397760 1449504 1472512 1495520 1553040 1570296 1572480 1610560 1656576 1677312 1682460 1766583 1794624 1797120 1811880 1840640 1932672 1935360 1962870 2018952 2070720 2093728 2096640 2174256 2208768 2243280 2355444 2392832 2415840 2484864 2515968 2523690 2576896 2617160 2691936 2717820 2760960 2795520 2899008 2944305 2991040 3106080 3140592 3144960 3221120 3313152 3364920 3533166 3589248 3594240 3623760 3681280 3865344 3925740 4037904 4141440 4187456 4193280 4348512 4417536 4486560 4710888 4785664 4831680 4969728 5031936 5047380 5153792 5234320 5383872 5435640 5521920 5798016 5888610 5982080 6212160 6281184 6289920 6442240 6626304 6729840 7066332 7178496 7247520 7362560 7730688 7851480 8075808 8282880 8374912 8386560 8697024 8832915 8973120 9421776 9571328 9663360 9939456 10094760 10307584 10468640 10767744 10871280 11043840 11596032 11777220 11964160 12424320 12562368 12579840 12884480 13252608 13459680 14132664 14356992 14495040 15461376 15702960 16151616 16565760 16749824 17394048 17665830 17946240 18843552 19142656 19326720 19878912 20189520 20937280 21535488 21742560 22087680 23192064 23554440 23928320 24848640 25124736 25159680 25768960 26919360 28265328 28713984 28990080 30922752 31405920 32303232 33131520 33499648 34788096 35331660 35892480 37687104 38653440 39757824 40379040 41874560 43070976 43485120 46384128 47108880 47856640 49697280 50249472 51537920 53838720 56530656 57427968 57980160 62811840 64606464 66263040 66999296 69576192 70663320 71784960 75374208 77306880 80758080 83749120 86141952 86970240 92768256 94217760 95713280 99394560 100498944 107677440 113061312 115960320 125623680 129212928 133998592 139152384 141326640 143569920 150748416 154613760 161516160 167498240 172283904 173940480 188435520 198789120 200997888 215354880 226122624 231920640 251247360 258425856 278304768 282653280 287139840 301496832 323032320 334996480 347880960 376871040 401995776 430709760 452245248 463841280 502494720 516851712 565306560 602993664 646064640 669992960 695761920 753742080 861419520 904490496 1004989440 1130613120 1205987328 1292129280 1391523840 1507484160 1808980992 2009978880 2261226240 2584258560 3014968320 3617961984 4522452480 6029936640 9044904960 18089809920
• Sum of all divisors σ(n): 79252992000
• Sum of proper divisors (its aliquot sum) s(n): 61163182080
• 18089809920 is an abundant number, because the sum of its proper divisors (61163182080) is greater than itself. Its abundance is 43073372160

Bases of 18089809920

• Binary: 10000110110001111001001100000000000₂
• Hexadecimal: 0x4363C9800
• Base-36: 8B67EO0

Squares and roots of 18089809920

• 18089809920 squared (18089809920²) is 327241222941730406400
• 18089809920 cubed (18089809920³) is 5919731521004246287660351488000
• The square root of 18089809920 is 134498.3640049201
• The cube root of 18089809920 is 2625.0928424305

Scales and comparisons

• 18,089,809,920 seconds is equal to 575 years, 10 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 18,089,809,920 would take you about one thousand, one hundred fifty 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 18089809920 cubic inches would be around 218.8 feet tall.

Recreational maths with 18089809920

• 18089809920 backwards is 02990898081
• 18089809920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18089809920's digits is 54
• More coming soon!