398600020
398,600,020 is an even composite number composed of six prime numbers multiplied together.
398600020 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 398600020:
22 × 5 × 7 × 132 × 17 × 991
(2 × 2 × 5 × 7 × 13 × 13 × 17 × 991)See below for interesting mathematical facts about the number 398600020 from the Numbermatics database.
Names of 398600020
- Cardinal: 398600020 can be written as Three hundred ninety-eight million, six hundred thousand and twenty.
Scientific notation
- Scientific notation: 3.9860002 × 108
Factors of 398600020
Divisors of 398600020
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 13 14 17 20 26 28 34 35 52 65 68 70 85 91 119 130 140 169 170 182 221 238 260 338 340 364 442 455 476 595 676 845 884 910 991 1105 1183 1190 1547 1690 1820 1982 2210 2366 2380 2873 3094 3380 3964 4420 4732 4955 5746 5915 6188 6937 7735 9910 11492 11830 12883 13874 14365 15470 16847 19820 20111 23660 25766 27748 28730 30940 33694 34685 40222 51532 57460 64415 67388 69370 80444 84235 90181 100555 117929 128830 138740 167479 168470 180362 201110 219011 235858 257660 334958 336940 360724 402220 438022 450905 471716 589645 669916 837395 876044 901810 1095055 1172353 1179290 1533077 1674790 1803620 2190110 2344706 2358580 2847143 3066154 3349580 4380220 4689412 5694286 5861765 6132308 7665385 11388572 11723530 14235715 15330770 19930001 23447060 28471430 30661540 39860002 56942860 79720004 99650005 199300010 398600020
- Sum of all divisors σ(n): 1097929728
- Sum of proper divisors (its aliquot sum) s(n): 699329708
- 398600020 is an abundant number, because the sum of its proper divisors (699329708) is greater than itself. Its abundance is 300729688
Bases of 398600020
- Binary: 101111100001000100111010101002
- Hexadecimal: 0x17C22754
- Base-36: 6LBDQS
Squares and roots of 398600020
- 398600020 squared (3986000202) is 158881975944000400
- 398600020 cubed (3986000203) is 63330358788918078320008000
-
The
square root of 398600020 is 19964.9698221661 -
The
cube root of 398600020 is 735.9456998573
Scales and comparisons
How big is 398600020?- 398,600,020 seconds is equal to 12 years, 35 weeks, 10 hours, 13 minutes, 40 seconds.
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To count from 1 to 398,600,020 would take you about nineteen 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 398600020 cubic inches would be around 61.3 feet tall.
Recreational maths with 398600020
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