61980100
61,980,100 is an even composite number composed of five prime numbers multiplied together.
61980100 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 61980100:
22 × 52 × 73 × 13 × 139
(2 × 2 × 5 × 5 × 7 × 7 × 7 × 13 × 139)See below for interesting mathematical facts about the number 61980100 from the Numbermatics database.
Names of 61980100
- Cardinal: 61980100 can be written as Sixty-one million, nine hundred eighty thousand, one hundred.
Scientific notation
- Scientific notation: 6.19801 × 107
Factors of 61980100
Divisors of 61980100
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 13 14 20 25 26 28 35 49 50 52 65 70 91 98 100 130 139 140 175 182 196 245 260 278 325 343 350 364 455 490 556 637 650 686 695 700 910 973 980 1225 1274 1300 1372 1390 1715 1807 1820 1946 2275 2450 2548 2780 3185 3430 3475 3614 3892 4459 4550 4865 4900 6370 6811 6860 6950 7228 8575 8918 9035 9100 9730 12649 12740 13622 13900 15925 17150 17836 18070 19460 22295 24325 25298 27244 31850 34055 34300 36140 44590 45175 47677 48650 50596 63245 63700 68110 88543 89180 90350 95354 97300 111475 126490 136220 170275 177086 180700 190708 222950 238385 252980 316225 340550 354172 442715 445900 476770 619801 632450 681100 885430 953540 1191925 1239602 1264900 1770860 2213575 2383850 2479204 3099005 4427150 4767700 6198010 8854300 12396020 15495025 30990050 61980100
- Sum of all divisors σ(n): 170128000
- Sum of proper divisors (its aliquot sum) s(n): 108147900
- 61980100 is an abundant number, because the sum of its proper divisors (108147900) is greater than itself. Its abundance is 46167800
Bases of 61980100
- Binary: 111011000110111101110001002
- Hexadecimal: 0x3B1BDC4
- Base-36: 10WG5G
Squares and roots of 61980100
- 61980100 squared (619801002) is 3841532796010000
- 61980100 cubed (619801003) is 238098586849979401000000
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The
square root of 61980100 is 7872.7441213341 -
The
cube root of 61980100 is 395.7468112523
Scales and comparisons
How big is 61980100?- 61,980,100 seconds is equal to 1 year, 50 weeks, 3 days, 8 hours, 41 minutes, 40 seconds.
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To count from 1 to 61,980,100 would take you about two 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 61980100 cubic inches would be around 33 feet tall.
Recreational maths with 61980100
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