31357393920
31,357,393,920 is an even composite number composed of four prime numbers multiplied together.
31357393920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred twenty divisors.
Prime factorization of 31357393920:
210 × 34 × 5 × 75611
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 75611)See below for interesting mathematical facts about the number 31357393920 from the Numbermatics database.
Names of 31357393920
- Cardinal: 31357393920 can be written as Thirty-one billion, three hundred fifty-seven million, three hundred ninety-three thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.135739392 × 1010
Factors of 31357393920
Divisors of 31357393920
- Number of divisors d(n): 220
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 256 270 288 320 324 360 384 405 432 480 512 540 576 640 648 720 768 810 864 960 1024 1080 1152 1280 1296 1440 1536 1620 1728 1920 2160 2304 2560 2592 2880 3072 3240 3456 3840 4320 4608 5120 5184 5760 6480 6912 7680 8640 9216 10368 11520 12960 13824 15360 17280 20736 23040 25920 27648 34560 41472 46080 51840 69120 75611 82944 103680 138240 151222 207360 226833 302444 378055 414720 453666 604888 680499 756110 907332 1134165 1209776 1360998 1512220 1814664 2041497 2268330 2419552 2721996 3024440 3402495 3629328 4082994 4536660 4839104 5443992 6048880 6124491 6804990 7258656 8165988 9073320 9678208 10207485 10887984 12097760 12248982 13609980 14517312 16331976 18146640 19356416 20414970 21775968 24195520 24497964 27219960 29034624 30622455 32663952 36293280 38712832 40829940 43551936 48391040 48995928 54439920 58069248 61244910 65327904 72586560 77425664 81659880 87103872 96782080 97991856 108879840 116138496 122489820 130655808 145173120 163319760 174207744 193564160 195983712 217759680 232276992 244979640 261311616 290346240 326639520 348415488 387128320 391967424 435519360 489959280 522623232 580692480 653279040 696830976 783934848 871038720 979918560 1045246464 1161384960 1306558080 1567869696 1742077440 1959837120 2090492928 2613116160 3135739392 3484154880 3919674240 5226232320 6271478784 7839348480 10452464640 15678696960 31357393920
- Sum of all divisors σ(n): 112368656664
- Sum of proper divisors (its aliquot sum) s(n): 81011262744
- 31357393920 is an abundant number, because the sum of its proper divisors (81011262744) is greater than itself. Its abundance is 49653868824
Bases of 31357393920
- Binary: 111010011010000101111011100000000002
- Hexadecimal: 0x74D0BDC00
- Base-36: EELDS00
Squares and roots of 31357393920
- 31357393920 squared (313573939202) is 983286153454052966400
- 31357393920 cubed (313573939203) is 30833291249940307487949324288000
-
The
square root of 31357393920 is 177080.1906481919 -
The
cube root of 31357393920 is 3153.4067088913
Scales and comparisons
How big is 31357393920?- 31,357,393,920 seconds is equal to 997 years, 3 weeks, 3 days, 19 hours, 12 minutes.
-
To count from 1 to 31,357,393,920 would take you about one thousand, nine hundred ninety-four 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 31357393920 cubic inches would be around 262.8 feet tall.
Recreational maths with 31357393920
- 31357393920 backwards is 02939375313
- 31357393920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31357393920's digits is 45
- More coming soon!
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