18208828415905920

Names of 18208828415905920

• Cardinal: 18208828415905920 can be written as Eighteen quadrillion, two hundred eight trillion, eight hundred twenty-eight billion, four hundred fifteen million, nine hundred five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.820882841590592 × 10¹⁶

Factors of 18208828415905920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 6235216854

Divisors of 18208828415905920

• Number of divisors d(n): 384
• 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 48 52 54 60 64 65 72 78 80 90 96 104 108 117 120 128 130 135 144 156 160 169 180 192 195 208 216 234 240 260 270 288 312 320 338 351 360 384 390 416 432 468 480 507 520 540 576 585 624 640 676 702 720 780 832 845 864 936 960 1014 1040 1080 1152 1170 1248 1352 1404 1440 1521 1560 1664 1690 1728 1755 1872 1920 2028 2080 2160 2340 2496 2535 2704 2808 2880 3042 3120 3380 3456 3510 3744 4056 4160 4320 4563 4680 4992 5070 5408 5616 5760 6084 6240 6760 7020 7488 7605 8112 8320 8640 9126 9360 10140 10816 11232 12168 12480 13520 14040 14976 15210 16224 17280 18252 18720 20280 21632 22464 22815 24336 24960 27040 28080 30420 32448 36504 37440 40560 44928 45630 48672 54080 56160 60840 64896 73008 74880 81120 91260 97344 108160 112320 121680 146016 162240 182520 194688 224640 243360 292032 324480 365040 486720 584064 730080 973440 1460160 2920320 6235216831 12470433662 18705650493 24940867324 31176084155 37411300986 49881734648 56116951479 62352168310 74822601972 81057818803 93528252465 99763469296 112233902958 124704336620 149645203944 162115637606 168350854437 187056504930 199526938592 224467805916 243173456409 249408673240 280584757395 299290407888 324231275212 336701708874 374113009860 399053877184 405289094015 448935611832 486346912818 498817346480 561169514790 598580815776 648462550424 673403417748 729520369227 748226019720 798107754368 810578188030 841754272185 897871223664 972693825636 997634692960 1053751644439 1122339029580 1197161631552 1215867282045 1296925100848 1346806835496 1459040738454 1496452039440 1621156376060 1683508544370 1795742447328 1945387651272 1995269385920 2107503288878 2188561107681 2244678059160 2394323263104 2431734564090 2593850201696 2693613670992 2918081476908 2992904078880 3161254933317 3242312752120 3367017088740 3591484894656 3647601846135 3890775302544 3990538771840 4215006577756 4377122215362 4489356118320 4863469128180 5187700403392 5268758222195 5387227341984 5836162953816 5985808157760 6322509866634 6484625504240 6734034177480 7182969789312 7295203692270 7781550605088 8430013155512 8754244430724 8978712236640 9483764799951 9726938256360 10375400806784 10537516444390 10774454683968 10942805538405 11672325907632 11971616315520 12645019733268 12969251008480 13468068354960 14590407384540 15563101210176 15806274666585 16860026311024 17508488861448 17957424473280 18967529599902 19453876512720 21075032888780 21548909367936 21885611076810 23344651815264 25290039466536 25938502016960 26936136709920 28451294399853 29180814769080 31126202420352 31612549333170 33720052622048 35016977722896 35914848946560 37935059199804 38907753025440 42150065777560 43771222153620 46689303630528 47418823999755 50580078933072 51877004033920 53872273419840 56902588799706 58361629538160 63225098666340 67440105244096 70033955445792 75870118399608 77815506050880 84300131555120 87542444307240 93378607261056 94837647999510 101160157866144 107744546839680 113805177599412 116723259076320 126450197332680 134880210488192 140067910891584 142256471999265 151740236799216 155631012101760 168600263110240 175084888614480 189675295999020 202320315732288 227610355198824 233446518152640 252900394665360 280135821783168 284512943998530 303480473598432 337200526220480 350169777228960 379350591998040 404640631464576 455220710397648 466893036305280 505800789330720 569025887997060 606960947196864 674401052440960 700339554457920 758701183996080 910441420795296 1011601578661440 1138051775994120 1213921894393728 1400679108915840 1517402367992160 1820882841590592 2023203157322880 2276103551988240 3034804735984320 3641765683181184 4552207103976480 6069609471968640 9104414207952960 18208828415905920
• Sum of all divisors σ(n): 69831934431667200
• Sum of proper divisors (its aliquot sum) s(n): 51623106015761280
• 18208828415905920 is an abundant number, because the sum of its proper divisors (51623106015761280) is greater than itself. Its abundance is 33414277599855360

Bases of 18208828415905920

• Binary: 1000000101100001101010100111101100000011001000010000000₂
• Hexadecimal: 0x40B0D53D819080
• Base-36: 4ZAHOAKT9C0

Squares and roots of 18208828415905920

• 18208828415905920 squared (18208828415905920²) is 331561432279902895901254291046400
• 18208828415905920 cubed (18208828415905920³) is 6037345229716762217058555800401232690800754688000
• The square root of 18208828415905920 is 134940091.9515987287
• The cube root of 18208828415905920 is 263083.7363704577

Scales and comparisons

• 18,208,828,415,905,920 seconds is equal to 578,984,420 years, 1 week, 19 hours, 12 minutes.
• To count from 1 to 18,208,828,415,905,920 would take you about one billion, seven hundred thirty-six million, nine hundred fifty-three thousand, two hundred sixty 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 18208828415905920 cubic inches would be around 21923.6 feet tall.

Recreational maths with 18208828415905920

• 18208828415905920 backwards is 02950951482880281
• 18208828415905920 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18208828415905920's digits is 72
• More coming soon!