18390864960

Names of 18390864960

• Cardinal: 18390864960 can be written as Eighteen billion, three hundred ninety million, eight hundred sixty-four thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.839086496 × 10¹⁰

Factors of 18390864960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1633

Divisors of 18390864960

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 117 120 130 144 156 160 180 192 195 208 234 240 260 288 312 320 360 390 409 416 468 480 520 576 585 624 720 780 818 832 936 960 1040 1170 1201 1227 1248 1440 1560 1636 1872 2045 2080 2340 2402 2454 2496 2880 3120 3272 3603 3681 3744 4090 4160 4680 4804 4908 5317 6005 6135 6240 6544 7206 7362 7488 8180 9360 9608 9816 10634 10809 12010 12270 12480 13088 14412 14724 15613 15951 16360 18015 18405 18720 19216 19632 21268 21618 24020 24540 26176 26585 28824 29448 31226 31902 32720 36030 36810 37440 38432 39264 42536 43236 46839 47853 48040 49080 53170 54045 57648 58896 62452 63804 65440 72060 73620 76864 78065 78528 79755 85072 86472 93678 95706 96080 98160 106340 108090 115296 117792 124904 127608 130880 140517 144120 147240 156130 159510 170144 172944 187356 191412 192160 196320 212680 216180 230592 234195 235584 239265 249808 255216 281034 288240 294480 312260 319020 340288 345888 374712 382824 384320 392640 425360 432360 468390 478530 491209 499616 510432 562068 576480 588960 624520 638040 691776 702585 749424 765648 850720 864720 936780 957060 982418 999232 1020864 1124136 1152960 1177920 1249040 1276080 1405170 1473627 1498848 1531296 1701440 1729440 1873560 1914120 1964836 2248272 2456045 2498080 2552160 2810340 2947254 2997696 3062592 3458880 3747120 3828240 3929672 4420881 4496544 4912090 4996160 5104320 5620680 5894508 6385717 7368135 7494240 7656480 7859344 8841762 8993088 9824180 11241360 11789016 12771434 14736270 14988480 15312960 15718688 17683524 19157151 19648360 22104405 22482720 23578032 25542868 29472540 31437376 31928585 35367048 38314302 39296720 44208810 44965440 47156064 51085736 57471453 58945080 63857170 70734096 76628604 78593440 88417620 94312128 95785755 102171472 114942906 117890160 127714340 141468192 153257208 157186880 176835240 191571510 204342944 229885812 235780320 255428680 282936384 287357265 306514416 353670480 383143020 408685888 459771624 471560640 510857360 574714530 613028832 707340960 766286040 919543248 1021714720 1149429060 1226057664 1414681920 1532572080 1839086496 2043429440 2298858120 3065144160 3678172992 4597716240 6130288320 9195432480 18390864960
• Sum of all divisors σ(n): 68346248880
• Sum of proper divisors (its aliquot sum) s(n): 49955383920
• 18390864960 is an abundant number, because the sum of its proper divisors (49955383920) is greater than itself. Its abundance is 31564518960

Bases of 18390864960

• Binary: 10001001000001011100101010001000000₂
• Hexadecimal: 0x4482E5440
• Base-36: 8G5G280

Squares and roots of 18390864960

• 18390864960 squared (18390864960²) is 338223913976955801600
• 18390864960 cubed (18390864960³) is 6220230328192850699114151936000
• The square root of 18390864960 is 135612.9232779827
• The cube root of 18390864960 is 2639.5752760265

Scales and comparisons

• 18,390,864,960 seconds is equal to 584 years, 40 weeks, 1 day, 5 hours, 36 minutes.
• To count from 1 to 18,390,864,960 would take you about one thousand, one hundred sixty-nine 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 18390864960 cubic inches would be around 220 feet tall.

Recreational maths with 18390864960

• 18390864960 backwards is 06946809381
• The number of decimal digits it has is: 11
• The sum of 18390864960's digits is 54
• More coming soon!