31387900140
31,387,900,140 is an even composite number composed of six prime numbers multiplied together.
31387900140 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 31387900140:
22 × 34 × 5 × 41 × 612 × 127
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 41 × 61 × 61 × 127)See below for interesting mathematical facts about the number 31387900140 from the Numbermatics database.
Names of 31387900140
- Cardinal: 31387900140 can be written as Thirty-one billion, three hundred eighty-seven million, nine hundred thousand, one hundred forty.
Scientific notation
- Scientific notation: 3.138790014 × 1010
Factors of 31387900140
Divisors of 31387900140
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 41 45 54 60 61 81 82 90 108 122 123 127 135 162 164 180 183 205 244 246 254 270 305 324 366 369 381 405 410 492 508 540 549 610 615 635 732 738 762 810 820 915 1098 1107 1143 1220 1230 1270 1476 1524 1620 1647 1830 1845 1905 2196 2214 2286 2460 2501 2540 2745 3294 3321 3429 3660 3690 3721 3810 4428 4572 4941 5002 5207 5490 5535 5715 6588 6642 6858 7380 7442 7503 7620 7747 8235 9882 10004 10287 10414 10980 11070 11163 11430 12505 13284 13716 14884 15006 15494 15621 16470 16605 17145 18605 19764 20574 20828 22140 22326 22509 22860 23241 24705 25010 26035 30012 30988 31242 32940 33210 33489 34290 37210 37515 38735 41148 44652 45018 46482 46863 49410 50020 51435 52070 55815 62484 66420 66978 67527 68580 69723 74420 75030 77470 78105 90036 92964 93726 98820 100467 102870 104140 111630 112545 116205 133956 135054 139446 140589 150060 152561 154940 156210 167445 187452 200934 202581 205740 209169 223260 225090 232410 234315 270108 278892 281178 301401 305122 312420 317627 334890 337635 348615 401868 405162 418338 421767 450180 457683 464820 468630 472567 502335 562356 602802 610244 627507 635254 669780 675270 697230 702945 762805 810324 836676 843534 915366 937260 945134 952881 1004670 1012905 1045845 1205604 1255014 1270508 1350540 1373049 1394460 1405890 1417701 1507005 1525610 1588135 1687068 1830732 1890268 1905762 2009340 2025810 2091690 2108835 2288415 2362835 2510028 2746098 2811780 2835402 2858643 3014010 3051220 3137535 3176270 3811524 4051620 4119147 4183380 4217670 4253103 4576830 4725670 4764405 5492196 5670804 5717286 6028020 6275070 6352540 6865245 7088505 8238294 8435340 8506206 8575929 9153660 9451340 9528810 11434572 12357441 12550140 12759309 13730490 14177010 14293215 16476588 17012412 17151858 19057620 19375247 20595735 21265515 24714882 25518618 25727787 27460980 28354020 28586430 34303716 38277927 38750494 41191470 42531030 42879645 49429764 51037236 51455574 57172860 58125741 61787205 63796545 76555854 77500988 82382940 85062060 85759290 96876235 102911148 116251482 123574410 127593090 128638935 153111708 171518580 174377223 191389635 193752470 232502964 247148820 255186180 257277870 290628705 348754446 382779270 387504940 514555740 523131669 581257410 697508892 765558540 871886115 1046263338 1162514820 1569395007 1743772230 2092526676 2615658345 3138790014 3487544460 5231316690 6277580028 7846975035 10462633380 15693950070 31387900140
- Sum of all divisors σ(n): 103354707456
- Sum of proper divisors (its aliquot sum) s(n): 71966807316
- 31387900140 is an abundant number, because the sum of its proper divisors (71966807316) is greater than itself. Its abundance is 40578907176
Bases of 31387900140
- Binary: 111010011101101110101011000111011002
- Hexadecimal: 0x74EDD58EC
- Base-36: EF3JMR0
Squares and roots of 31387900140
- 31387900140 squared (313879001402) is 985200275198612019600
- 31387900140 cubed (313879001403) is 30923367855834552737808522744000
-
The
square root of 31387900140 is 177166.3064467959 -
The
cube root of 31387900140 is 3154.4289807055
Scales and comparisons
How big is 31387900140?- 31,387,900,140 seconds is equal to 998 years, 1 week, 6 days, 21 hours, 9 minutes.
-
To count from 1 to 31,387,900,140 would take you about one thousand, nine hundred ninety-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 31387900140 cubic inches would be around 262.9 feet tall.
Recreational maths with 31387900140
- 31387900140 backwards is 04100978313
- 31387900140 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31387900140's digits is 36
- More coming soon!
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