18025997990
18,025,997,990 is an even composite number composed of six prime numbers multiplied together.
What does the number 18025997990 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 288 divisors.
18025997990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 18025997990:
2 × 5 × 73 × 112 × 132 × 257
(2 × 5 × 7 × 7 × 7 × 11 × 11 × 13 × 13 × 257)See below for interesting mathematical facts about the number 18025997990 from the Numbermatics database.
Names of 18025997990
- Cardinal: 18025997990 can be written as Eighteen billion, twenty-five million, nine hundred ninety-seven thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.802599799 × 1010
Factors of 18025997990
Divisors of 18025997990
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 5 7 10 11 13 14 22 26 35 49 55 65 70 77 91 98 110 121 130 143 154 169 182 242 245 257 286 338 343 385 455 490 514 539 605 637 686 715 770 845 847 910 1001 1078 1183 1210 1274 1285 1430 1573 1690 1694 1715 1799 1859 2002 2366 2570 2695 2827 3146 3185 3341 3430 3598 3718 3773 4235 4459 5005 5390 5654 5915 5929 6370 6682 7007 7546 7865 8281 8470 8918 8995 9295 10010 11011 11830 11858 12593 13013 14014 14135 15730 16562 16705 17990 18590 18865 19789 20449 22022 22295 23387 25186 26026 28270 29645 31097 33410 35035 36751 37730 39578 40898 41405 41503 43433 44590 46774 49049 55055 57967 59290 62194 62965 65065 70070 73502 77077 82810 83006 86866 88151 91091 98098 98945 102245 110110 115934 116935 125930 130130 138523 143143 154154 155485 163709 176302 182182 183755 197890 204490 207515 217165 217679 233870 245245 257257 277046 286286 289835 304031 310970 327418 367510 385385 404261 415030 434330 435358 440755 455455 477763 490490 514514 539539 579670 608062 637637 692615 715715 770770 808522 818545 881510 910910 955526 969661 1002001 1079078 1088395 1145963 1275274 1286285 1385230 1431430 1520155 1523753 1637090 1800799 1939322 2004002 2021305 2128217 2176790 2291926 2388815 2572570 2697695 2829827 3040310 3047506 3188185 3344341 3601598 4042610 4256434 4777630 4848305 5010005 5255393 5395390 5659654 5729815 6376370 6688682 7014007 7618765 9003995 9696610 10020010 10510786 10641085 10666271 11459630 12605593 14028014 14149135 14897519 15237530 16721705 18007990 19808789 21282170 21332542 23410387 25211186 26276965 28298270 29795038 33443410 35070035 36787751 39617578 46820774 52553930 53331355 63027965 70140070 73575502 74487595 99043945 106662710 117051935 126055930 138661523 148975190 163872709 183938755 198087890 234103870 257514257 277323046 327745418 367877510 515028514 693307615 819363545 1287571285 1386615230 1638727090 1802599799 2575142570 3605199598 9012998995 18025997990
- Sum of all divisors σ(n): 45212126400
- Sum of proper divisors (its aliquot sum) s(n): 27186128410
- 18025997990 is an abundant number, because the sum of its proper divisors (27186128410) is greater than itself. Its abundance is 9160130420
Bases of 18025997990
- Binary: 100001100100110111011100110101001102
- Hexadecimal: 0x4326EE6A6
- Base-36: 8A47P2E
Squares and roots of 18025997990
- 18025997990 squared (180259979902) is 324936603535484040100
- 18025997990 cubed (180259979903) is 5857306562208062200519679399000
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The
square root of 18025997990 is 134260.9324785137 -
The
cube root of 18025997990 is 2622.0025281371
Scales and comparisons
How big is 18025997990?- 18,025,997,990 seconds is equal to 573 years, 8 weeks, 6 days, 5 hours, 39 minutes, 50 seconds.
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To count from 1 to 18,025,997,990 would take you about one thousand, one hundred forty-six 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 18025997990 cubic inches would be around 218.5 feet tall.
Recreational maths with 18025997990
- 18025997990 backwards is 09979952081
- The number of decimal digits it has is: 11
- The sum of 18025997990's digits is 59
- More coming soon!
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