21090078000
21,090,078,000 is an even composite number composed of five prime numbers multiplied together.
21090078000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21090078000:
24 × 33 × 53 × 53 × 7369
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 5 × 53 × 7369)See below for interesting mathematical facts about the number 21090078000 from the Numbermatics database.
Names of 21090078000
- Cardinal: 21090078000 can be written as Twenty-one billion, ninety million, seventy-eight thousand.
Scientific notation
- Scientific notation: 2.1090078 × 1010
Factors of 21090078000
Divisors of 21090078000
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 53 54 60 72 75 80 90 100 106 108 120 125 135 144 150 159 180 200 212 216 225 240 250 265 270 300 318 360 375 400 424 432 450 477 500 530 540 600 636 675 720 750 795 848 900 954 1000 1060 1080 1125 1200 1272 1325 1350 1431 1500 1590 1800 1908 2000 2120 2160 2250 2385 2544 2650 2700 2862 3000 3180 3375 3600 3816 3975 4240 4500 4770 5300 5400 5724 6000 6360 6625 6750 7155 7369 7632 7950 9000 9540 10600 10800 11448 11925 12720 13250 13500 14310 14738 15900 18000 19080 19875 21200 22107 22896 23850 26500 27000 28620 29476 31800 35775 36845 38160 39750 44214 47700 53000 54000 57240 58952 59625 63600 66321 71550 73690 79500 88428 95400 106000 110535 114480 117904 119250 132642 143100 147380 159000 176856 178875 184225 190800 198963 221070 238500 265284 286200 294760 318000 331605 353712 357750 368450 390557 397926 442140 477000 530568 552675 572400 589520 663210 715500 736900 781114 795852 884280 921125 954000 994815 1061136 1105350 1171671 1326420 1431000 1473800 1562228 1591704 1658025 1768560 1842250 1952785 1989630 2210700 2343342 2652840 2763375 2862000 2947600 3124456 3183408 3316050 3515013 3684500 3905570 3979260 4421400 4686684 4974075 5305680 5526750 5858355 6248912 6632100 7030026 7369000 7811140 7958520 8290125 8842800 9373368 9763925 9948150 10545039 11053500 11716710 13264200 14060052 14738000 15622280 15917040 16580250 17575065 18746736 19527850 19896300 21090078 22107000 23433420 24870375 26528400 28120104 29291775 31244560 33160500 35150130 39055700 39792600 42180156 44214000 46866840 48819625 49740750 52725195 56240208 58583550 66321000 70300260 78111400 79585200 84360312 87875325 93733680 97639250 99481500 105450390 117167100 132642000 140600520 146458875 156222800 168720624 175750650 195278500 198963000 210900780 234334200 263625975 281201040 292917750 351501300 390557000 397926000 421801560 439376625 468668400 527251950 585835500 703002600 781114000 843603120 878753250 1054503900 1171671000 1318129875 1406005200 1757506500 2109007800 2343342000 2636259750 3515013000 4218015600 5272519500 7030026000 10545039000 21090078000
- Sum of all divisors σ(n): 76985251200
- Sum of proper divisors (its aliquot sum) s(n): 55895173200
- 21090078000 is an abundant number, because the sum of its proper divisors (55895173200) is greater than itself. Its abundance is 34805095200
Bases of 21090078000
- Binary: 100111010010001000100001101001100002
- Hexadecimal: 0x4E9110D30
- Base-36: 9OSHKC0
Squares and roots of 21090078000
- 21090078000 squared (210900780002) is 444791390046084000000
- 21090078000 cubed (210900780003) is 9380685109800335154552000000000
-
The
square root of 21090078000 is 145224.2335149337 -
The
cube root of 21090078000 is 2762.8632856253
Scales and comparisons
How big is 21090078000?- 21,090,078,000 seconds is equal to 670 years, 31 weeks, 1 day, 3 hours.
-
To count from 1 to 21,090,078,000 would take you about one thousand, three hundred forty-one 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 21090078000 cubic inches would be around 230.2 feet tall.
Recreational maths with 21090078000
- 21090078000 backwards is 00087009012
- 21090078000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21090078000's digits is 27
- More coming soon!
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