18287939040

Names of 18287939040

• Cardinal: 18287939040 can be written as Eighteen billion, two hundred eighty-seven million, nine hundred thirty-nine thousand and forty.

Scientific notation

• Scientific notation: 1.828793904 × 10¹⁰

Factors of 18287939040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2682

Divisors of 18287939040

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 28 30 32 34 35 40 42 48 51 56 60 68 70 80 84 85 96 102 105 112 119 120 127 136 140 160 168 170 204 210 224 238 240 254 255 272 280 336 340 357 381 408 420 476 480 508 510 544 560 595 635 672 680 714 762 816 840 889 952 1016 1020 1120 1190 1270 1360 1428 1524 1632 1680 1778 1785 1904 1905 2032 2040 2159 2380 2521 2540 2667 2720 2856 3048 3360 3556 3570 3808 3810 4064 4080 4318 4445 4760 5042 5080 5334 5712 6096 6477 7112 7140 7563 7620 8160 8636 8890 9520 10084 10160 10668 10795 11424 12192 12605 12954 13335 14224 14280 15113 15126 15240 17272 17647 17780 19040 20168 20320 21336 21590 25210 25908 26670 28448 28560 30226 30252 30480 32385 34544 35294 35560 37815 40336 42672 42857 43180 45339 50420 51816 52941 53340 57120 60452 60504 60960 64770 69088 70588 71120 75565 75630 80672 85344 85714 86360 88235 90678 100840 103632 105882 106680 120904 121008 128571 129540 141176 142240 151130 151260 171428 172720 176470 181356 201680 207264 211764 213360 214285 226695 241808 242016 257142 259080 264705 282352 299999 302260 302520 320167 342856 345440 352940 362712 403360 423528 426720 428570 453390 483616 514284 518160 529410 564704 599998 604520 605040 640334 642855 685712 705880 725424 847056 857140 899997 906780 960501 1028568 1036320 1058820 1199996 1209040 1210080 1280668 1285710 1371424 1411760 1450848 1499995 1600835 1694112 1714280 1799994 1813560 1921002 2057136 2117640 2241169 2399992 2418080 2561336 2571420 2823520 2999990 3201670 3428560 3599988 3627120 3842004 4114272 4235280 4482338 4499985 4799984 4802505 5122672 5142840 5442839 5999980 6403340 6723507 6857120 7199976 7254240 7684008 8470560 8964676 8999970 9599968 9605010 10245344 10285680 10885678 11205845 11999960 12806680 13447014 14399952 15368016 16328517 17929352 17999940 19210020 20571360 21771356 22411690 23999920 25613360 26894028 27214195 28799904 30736032 32657034 33617535 35858704 35999880 38099873 38420040 43542712 44823380 47999840 51226720 53788056 54428390 65314068 67235070 71717408 71999760 76199746 76840080 81642585 87085424 89646760 107576112 108856780 114299619 130628136 134470140 143999520 152399492 153680160 163285170 174170848 179293520 190499365 215152224 217713560 228599238 261256272 268940280 304798984 326570340 358587040 380998730 435427120 457198476 522512544 537880560 571498095 609597968 653140680 761997460 870854240 914396952 1075761120 1142996190 1219195936 1306281360 1523994920 1828793904 2285992380 2612562720 3047989840 3657587808 4571984760 6095979680 9143969520 18287939040
• Sum of all divisors σ(n): 70286082048
• Sum of proper divisors (its aliquot sum) s(n): 51998143008
• 18287939040 is an abundant number, because the sum of its proper divisors (51998143008) is greater than itself. Its abundance is 33710203968

Bases of 18287939040

• Binary: 10001000010000010111100110111100000₂
• Hexadecimal: 0x4420BCDE0
• Base-36: 8EG602O

Squares and roots of 18287939040

• 18287939040 squared (18287939040²) is 334448714330756121600
• 18287939040 cubed (18287939040³) is 6116377699687242348927627264000
• The square root of 18287939040 is 135232.9066462745
• The cube root of 18287939040 is 2634.6418643661

Scales and comparisons

• 18,287,939,040 seconds is equal to 581 years, 25 weeks, 6 days, 23 hours, 4 minutes.
• To count from 1 to 18,287,939,040 would take you about one thousand, one hundred sixty-two 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 18287939040 cubic inches would be around 219.6 feet tall.

Recreational maths with 18287939040

• 18287939040 backwards is 04093978281
• 18287939040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18287939040's digits is 51
• More coming soon!