31394901720
31,394,901,720 is an even composite number composed of seven prime numbers multiplied together.
31394901720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 31394901720:
23 × 3 × 5 × 72 × 13 × 61 × 6733
(2 × 2 × 2 × 3 × 5 × 7 × 7 × 13 × 61 × 6733)See below for interesting mathematical facts about the number 31394901720 from the Numbermatics database.
Names of 31394901720
- Cardinal: 31394901720 can be written as Thirty-one billion, three hundred ninety-four million, nine hundred one thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 3.139490172 × 1010
Factors of 31394901720
Divisors of 31394901720
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 49 52 56 60 61 65 70 78 84 91 98 104 105 120 122 130 140 147 156 168 182 183 195 196 210 244 245 260 273 280 294 305 312 364 366 390 392 420 427 455 488 490 520 546 588 610 637 728 732 735 780 793 840 854 910 915 980 1092 1176 1220 1274 1281 1365 1464 1470 1560 1586 1708 1820 1830 1911 1960 2135 2184 2379 2440 2548 2562 2730 2940 2989 3172 3185 3416 3640 3660 3822 3965 4270 4758 5096 5124 5460 5551 5880 5978 6344 6370 6405 6733 7320 7644 7930 8540 8967 9516 9555 10248 10920 11102 11895 11956 12740 12810 13466 14945 15288 15860 16653 17080 17934 19032 19110 20199 22204 23790 23912 25480 25620 26932 27755 29890 31720 33306 33665 35868 38220 38857 40398 44408 44835 47131 47580 51240 53864 55510 59780 66612 67330 71736 76440 77714 80796 83265 87529 89670 94262 95160 100995 111020 116571 119560 133224 134660 141393 155428 161592 166530 175058 179340 188524 194285 201990 222040 233142 235655 262587 269320 282786 310856 329917 333060 350116 358680 377048 388570 403980 410713 437645 466284 471310 525174 565572 582855 612703 659834 666120 700232 706965 777140 807960 821426 875290 932568 942620 989751 1050348 1131144 1165710 1225406 1232139 1312935 1319668 1413930 1554280 1642852 1649585 1750580 1838109 1885240 1979502 2053565 2100696 2331420 2450812 2464278 2625870 2639336 2827860 2874991 3063515 3285704 3299170 3501160 3676218 3959004 4107130 4288921 4662840 4901624 4928556 4948755 5251740 5339269 5655720 5749982 6127030 6160695 6598340 7352436 7918008 8214260 8577842 8624973 9190545 9857112 9897510 10503480 10678538 11499964 12254060 12321390 12866763 13196680 14374955 14704872 16017807 16428520 17155684 17249946 18381090 19795020 20124937 21357076 21444605 22999928 24508120 24642780 25733526 26696345 28749910 32035614 34311368 34499892 36762180 37374883 39590040 40249874 42714152 42889210 43124865 49285560 51467052 53392690 57499820 60374811 64071228 64333815 68999784 73524360 74749766 80089035 80499748 85778420 86249730 100624685 102934104 106785380 112124649 114999640 120749622 128142456 128667630 149499532 160178070 160999496 171556840 172499460 186874415 201249370 213570760 224249298 241499244 257335260 261624181 298999064 301874055 320356140 344998920 373748830 402498740 448498596 482998488 514670520 523248362 560623245 603748110 640712280 747497660 784872543 804997480 896997192 1046496724 1121246490 1207496220 1308120905 1494995320 1569745086 2092993448 2242492980 2414992440 2616241810 3139490172 3924362715 4484985960 5232483620 6278980344 7848725430 10464967240 15697450860 31394901720
- Sum of all divisors σ(n): 119941698240
- Sum of proper divisors (its aliquot sum) s(n): 88546796520
- 31394901720 is an abundant number, because the sum of its proper divisors (88546796520) is greater than itself. Its abundance is 57151894800
Bases of 31394901720
- Binary: 111010011110100100000101110110110002
- Hexadecimal: 0x74F482ED8
- Base-36: EF7PP7C
Squares and roots of 31394901720
- 31394901720 squared (313949017202) is 985639854008458958400
- 31394901720 cubed (313949017203) is 30944066347910717047621568448000
-
The
square root of 31394901720 is 177186.0652534505 -
The
cube root of 31394901720 is 3154.6635121093
Scales and comparisons
How big is 31394901720?- 31,394,901,720 seconds is equal to 998 years, 13 weeks, 3 days, 22 hours, 2 minutes.
-
To count from 1 to 31,394,901,720 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 31394901720 cubic inches would be around 262.9 feet tall.
Recreational maths with 31394901720
- 31394901720 backwards is 02710949313
- 31394901720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31394901720's digits is 39
- More coming soon!
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