18557089981920

Names of 18557089981920

• Cardinal: 18557089981920 can be written as Eighteen trillion, five hundred fifty-seven billion, eighty-nine million, nine hundred eighty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.855708998192 × 10¹³

Factors of 18557089981920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3138

Divisors of 18557089981920

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 49 54 56 60 63 70 72 80 81 84 90 96 98 105 108 112 120 126 135 140 144 147 160 162 168 180 189 196 210 216 224 240 243 245 252 270 280 288 294 315 324 336 360 378 392 405 420 432 441 480 486 490 504 540 560 567 588 630 648 672 720 735 756 784 810 840 864 882 945 972 980 1008 1080 1120 1134 1176 1215 1260 1296 1323 1440 1470 1512 1568 1620 1680 1701 1764 1890 1944 1960 2016 2160 2205 2268 2352 2430 2520 2592 2646 2835 2940 3024 3121 3240 3360 3402 3528 3780 3888 3920 3969 4320 4410 4536 4704 4860 5040 5292 5670 5880 6048 6242 6480 6615 6804 7056 7560 7776 7840 7938 8505 8820 9072 9363 9720 10080 10584 11340 11760 11907 12484 12960 13230 13608 14112 15120 15605 15876 17010 17640 18144 18726 19440 19845 21168 21847 22680 23520 23814 24968 26460 27216 28089 30240 31210 31752 34020 35280 37452 38880 39690 42336 43694 45360 46815 47628 49936 52920 54432 56178 59535 62420 63504 65541 68040 70560 74904 79380 84267 87388 90720 93630 95256 99872 105840 109235 112356 119070 124840 127008 131082 136080 140445 149808 152929 158760 168534 174776 187260 190512 196623 211680 218470 224712 238140 249680 252801 262164 272160 280890 299616 305858 317520 327705 337068 349552 374520 381024 393246 421335 436940 449424 458787 476280 499360 505602 524328 561780 589869 611716 635040 655410 674136 699104 749040 758403 764645 786492 842670 873880 898848 917574 952560 983115 1011204 1048656 1123560 1179738 1223432 1264005 1310820 1348272 1376361 1498080 1516806 1529290 1572984 1685340 1747760 1769607 1835148 1905120 1966230 2022408 2097312 2247120 2293935 2359476 2446864 2528010 2621640 2696544 2752722 2949345 3033612 3058580 3145968 3370680 3495520 3539214 3670296 3792015 3932460 4044816 4129083 4494240 4587870 4718952 4893728 5056020 5243280 5308821 5505444 5898690 6067224 6117160 6291936 6741360 6881805 7078428 7340592 7584030 7864920 8089632 8258166 8848035 9175740 9437904 9740641 10112040 10486560 10617642 11010888 11797380 12134448 12234320 12387249 13482720 13763610 14156856 14681184 15168060 15729840 16516332 17696070 18351480 18875808 19481282 20224080 20645415 21235284 22021776 23594760 24268896 24468640 24774498 26544105 27527220 28313712 29221923 30336120 31459680 33032664 35392140 36702960 37161747 38962564 40448160 41290830 42470568 44043552 47189520 48703205 49548996 53088210 55054440 56627424 58443846 60672240 61936245 66065328 68184487 70784280 73405920 74323494 77925128 82581660 84941136 87665769 94379040 97406410 99097992 106176420 110108880 116887692 121344480 123872490 132130656 136368974 141568560 146109615 148646988 155850256 165163320 169882272 175331538 185808735 194812820 198195984 204553461 212352840 220217760 233775384 247744980 262997307 272737948 283137120 292219230 297293976 311700512 330326640 340922435 350663076 371617470 389625640 396391968 409106922 424705680 438328845 467550768 477291409 495489960 525994614 545475896 584438460 594587952 613660383 660653280 681844870 701326152 743234940 779251280 788991921 818213844 849411360 876657690 935101536 954582818 990979920 1022767305 1051989228 1090951792 1168876920 1189175904 1227320766 1314986535 1363689740 1402652304 1431874227 1486469880 1558502560 1577983842 1636427688 1753315380 1840981149 1909165636 1981959840 2045534610 2103978456 2181903584 2337753840 2366975763 2386457045 2454641532 2629973070 2727379480 2805304608 2863748454 2972939760 3068301915 3155967684 3272855376 3506630760 3681962298 3818331272 3944959605 4091069220 4207956912 4295622681 4675507680 4733951526 4772914090 4909283064 5259946140 5454758960 5522943447 5727496908 5945879520 6136603830 6311935368 6545710752 7013261520 7159371135 7363924596 7636662544 7889919210 8182138440 8415913824 8591245362 9204905745 9467903052 9545828180 9818566128 10519892280 10909517920 11045886894 11454993816 11834878815 12273207660 12623870736 12886868043 14026523040 14318742270 14727849192 15273325088 15779838420 16364276880 16568830341 17182490724 18409811490 18935806104 19091656360 19637132256 21039784560 21478113405 22091773788 22909987632 23669757630 24546415320 25247741472 25773736086 27614717235 28637484540 29455698384 31559676840 32728553760 33137660682 34364981448 36819622980 37871612208 38183312720 38660604129 42079569120 42956226810 44183547576 45819975264 47339515260 49092830640 51547472172 55229434470 57274969080 58911396768 63119353680 64434340215 66275321364 68729962896 73639245960 75743224416 76366625440 77321208258 82844151705 85912453620 88367095152 94679030520 98185661280 103094944344 110458868940 114549938160 115981812387 126238707360 128868680430 132550642728 137459925792 147278491920 154642416516 165688303410 171824907240 176734190304 189358061040 193303020645 206189888688 220917737880 229099876320 231963624774 257737360860 265101285456 294556983840 309284833032 331376606820 343649814480 378716122080 386606041290 412379777376 441835475760 463927249548 515474721720 530202570912 579909061935 618569666064 662753213640 687299628960 773212082580 883670951520 927854499096 1030949443440 1159818123870 1237139332128 1325506427280 1546424165160 1855708998192 2061898886880 2319636247740 2651012854560 3092848330320 3711417996384 4639272495480 6185696660640 9278544990960 18557089981920
• Sum of all divisors σ(n): 76417838805672
• Sum of proper divisors (its aliquot sum) s(n): 57860748823752
• 18557089981920 is an abundant number, because the sum of its proper divisors (57860748823752) is greater than itself. Its abundance is 39303658841832

Bases of 18557089981920

• Binary: 100001110000010101000110000011010010111100000₂
• Hexadecimal: 0x10E0A8C1A5E0
• Base-36: 6KT0C8U00

Squares and roots of 18557089981920

• 18557089981920 squared (18557089981920²) is 344365588597075625926886400
• 18557089981920 cubed (18557089981920³) is 6390423214272776285296437027817893888000
• The square root of 18557089981920 is 4307794.0969735313
• The cube root of 18557089981920 is 26475.0399756717

Scales and comparisons

• 18,557,089,981,920 seconds is equal to 590,058 years, 3 weeks, 1 day, 1 hour, 12 minutes.
• To count from 1 to 18,557,089,981,920 would take you about one million, four hundred seventy-five thousand, one hundred forty-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 18557089981920 cubic inches would be around 2206.3 feet tall.

Recreational maths with 18557089981920

• 18557089981920 backwards is 02918998075581
• 18557089981920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18557089981920's digits is 72
• More coming soon!