18189194375880

Names of 18189194375880

• Cardinal: 18189194375880 can be written as Eighteen trillion, one hundred eighty-nine billion, one hundred ninety-four million, three hundred seventy-five thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.818919437588 × 10¹³

Factors of 18189194375880

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 86986

Divisors of 18189194375880

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 44 45 55 60 66 71 72 88 90 99 110 120 132 142 165 180 198 213 220 264 284 330 355 360 396 426 440 495 568 639 660 710 751 781 792 852 990 1065 1278 1320 1420 1502 1562 1704 1980 2130 2253 2343 2556 2840 3004 3124 3195 3755 3905 3960 4260 4506 4686 5112 6008 6248 6390 6759 7029 7510 7810 8261 8520 9012 9372 11265 11715 12780 13518 14058 15020 15620 16522 18024 18744 22530 23430 24783 25560 27036 28116 30040 31240 33044 33795 35145 41305 45060 46860 49566 53321 54072 56232 66088 67590 70290 74349 82610 86143 90120 93720 99132 106642 123915 135180 140580 148698 159963 165220 172286 198264 213284 247830 258429 266605 270360 281160 297396 319926 330440 344572 371745 426568 430715 479889 495660 516858 533210 586531 594792 639852 689144 743490 775287 799815 861430 947573 959778 991320 1033716 1066420 1173062 1279704 1292145 1486980 1550574 1599630 1722860 1759593 1895146 1919556 2067432 2132840 2346124 2399445 2584290 2842719 2932655 2973960 3101148 3199260 3445720 3519186 3790292 3839112 3876435 4692248 4737865 4798890 5168580 5278779 5685438 5865310 6116153 6202296 6398520 7038372 7580584 7752870 8528157 8797965 9475730 9597780 10337160 10557558 11370876 11730620 12232306 14076744 14213595 15505740 17056314 17595930 18348459 18951460 19195560 21115116 22741752 23461240 24464612 26393895 28427190 30580765 31011480 34112628 35191860 36696918 37902920 42230232 42640785 48929224 52787790 55045377 56854380 61161530 64693393 67277683 68225256 70383720 73393836 85281570 91742295 105575580 110090754 113708760 122323060 129386786 134555366 146787672 170563140 183484590 194080179 201833049 211151160 220181508 244646120 258773572 269110732 275226885 323466965 336388415 341126280 366969180 388160358 403666098 440363016 517547144 538221464 550453770 582240537 605499147 646933930 672776830 711627323 733938360 776320716 807332196 970400895 1009165245 1100907540 1164481074 1210998294 1293867860 1345553660 1423254646 1552641432 1614664392 1940801790 2018330490 2134881969 2201815080 2328962148 2421996588 2587735720 2691107320 2846509292 2911202685 3027495735 3558136615 3881603580 4036660980 4269763938 4593230903 4657924296 4843993176 5693018584 5822405370 6054991470 6404645907 7116273230 7763207160 8073321960 8539527876 9186461806 10674409845 11644810740 12109982940 12809291814 13779692709 14232546460 17079055752 18372923612 21348819690 22966154515 23289621480 24219965880 25618583628 27559385418 28465092920 32023229535 36745847224 41339078127 42697639380 45932309030 50525539933 51237167256 55118770836 64046459070 68898463545 82678156254 85395278760 91864618060 101051079866 110237541672 128092918140 137796927090 151576619799 165356312508 183729236120 202102159732 206695390635 252627699665 256185836280 275593854180 303153239598 330712625016 404204319464 413390781270 454729859397 505255399330 551187708360 606306479196 757883098995 826781562540 909459718794 1010510798660 1212612958392 1515766197990 1653563125080 1818919437588 2021021597320 2273649296985 3031532395980 3637838875176 4547298593970 6063064791960 9094597187940 18189194375880
• Sum of all divisors σ(n): 65485097533440
• Sum of proper divisors (its aliquot sum) s(n): 47295903157560
• 18189194375880 is an abundant number, because the sum of its proper divisors (47295903157560) is greater than itself. Its abundance is 29106708781680

Bases of 18189194375880

• Binary: 100001000101100000000011110000011001011001000₂
• Hexadecimal: 0x108B007832C8
• Base-36: 6G400P7M0

Squares and roots of 18189194375880

• 18189194375880 squared (18189194375880²) is 330846792043544622725774400
• 18189194375880 cubed (18189194375880³) is 6017836609116381783743472151997681472000
• The square root of 18189194375880 is 4264879.1748278169
• The cube root of 18189194375880 is 26298.9143898247

Scales and comparisons

• 18,189,194,375,880 seconds is equal to 578,360 years, 6 weeks, 1 day, 1 hour, 18 minutes.
• To count from 1 to 18,189,194,375,880 would take you about one million, four hundred forty-five thousand, nine hundred 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 18189194375880 cubic inches would be around 2191.6 feet tall.

Recreational maths with 18189194375880

• 18189194375880 backwards is 08857349198181
• 18189194375880 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18189194375880's digits is 72
• More coming soon!