18225991666920

Names of 18225991666920

• Cardinal: 18225991666920 can be written as Eighteen trillion, two hundred twenty-five billion, nine hundred ninety-one million, six hundred sixty-six thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.822599166692 × 10¹³

Factors of 18225991666920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9592

Divisors of 18225991666920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 41 60 82 120 123 164 205 246 328 410 492 615 617 733 820 984 1230 1234 1466 1640 1851 2199 2460 2468 2932 3085 3665 3702 4398 4920 4936 5864 6170 7330 7404 8191 8796 9255 10995 12340 14660 14808 16382 17592 18510 21990 24573 24680 25297 29320 30053 32764 37020 40955 43980 49146 50594 60106 65528 74040 75891 81910 87960 90159 98292 101188 120212 122865 126485 150265 151782 163820 180318 196584 202376 240424 245730 252970 300530 303564 327640 335831 360636 379455 450795 452261 491460 505940 601060 607128 671662 721272 758910 901590 904522 982920 1007493 1011880 1202120 1343324 1356783 1517820 1679155 1803180 1809044 2014986 2261305 2686648 2713566 3035640 3358310 3606360 3618088 4029972 4522610 5037465 5053847 5427132 6004003 6716620 6783915 8059944 9045220 10074930 10107694 10854264 12008006 13433240 13567830 15161541 18012009 18090440 18542701 20149860 20215388 24016012 25269235 27135660 30020015 30323082 36024018 37085402 40299720 40430776 48032024 50538470 54271320 55628103 60040030 60646164 72048036 74170804 75807705 90060045 92713505 101076940 111256206 120080060 121292328 144096072 148341608 151615410 180120090 185427010 202153880 207207727 222512412 240160120 246164123 278140515 303230820 360240180 370854020 414415454 445024824 492328246 556281030 606461640 621623181 720480360 738492369 741708040 828830908 984656492 1036038635 1112562060 1230820615 1243246362 1476984738 1657661816 1969312984 2072077270 2225124120 2461641230 2486492724 2953969476 3108115905 3692461845 3704469851 4144154540 4923282460 4972985448 5907938952 6216231810 7384923690 7408939702 8288309080 9846564920 11113409553 12432463620 14769847380 14817879404 18522349255 22226819106 24864927240 29539694760 29635758808 37044698510 44453638212 55567047765 74089397020 88907276424 111134095530 148178794040 151883263891 222268191060 303766527782 444536382120 455649791673 607533055564 759416319455 911299583346 1215066111128 1518832638910 1822599166692 2278248958365 3037665277820 3645198333384 4556497916730 6075330555640 9112995833460 18225991666920
• Sum of all divisors σ(n): 56185761300480
• Sum of proper divisors (its aliquot sum) s(n): 37959769633560
• 18225991666920 is an abundant number, because the sum of its proper divisors (37959769633560) is greater than itself. Its abundance is 19733777966640

Bases of 18225991666920

• Binary: 100001001001110010001110000100100110011101000₂
• Hexadecimal: 0x109391C24CE8
• Base-36: 6GKWKUV3C

Squares and roots of 18225991666920

• 18225991666920 squared (18225991666920²) is 332186772242637280222286400
• 18225991666920 cubed (18225991666920³) is 6054433342755359029655524851669645888000
• The square root of 18225991666920 is 4269190.9850602843
• The cube root of 18225991666920 is 26316.6369441751

Scales and comparisons

• 18,225,991,666,920 seconds is equal to 579,530 years, 8 weeks, 1 day, 15 hours, 2 minutes.
• To count from 1 to 18,225,991,666,920 would take you about one million, four hundred forty-eight thousand, eight hundred twenty-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 18225991666920 cubic inches would be around 2193.1 feet tall.

Recreational maths with 18225991666920

• 18225991666920 backwards is 02966619952281
• The number of decimal digits it has is: 14
• The sum of 18225991666920's digits is 66
• More coming soon!