31020697890
31,020,697,890 is an even composite number composed of eight prime numbers multiplied together.
31020697890 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 31020697890:
2 × 32 × 5 × 7 × 13 × 19 × 163 × 1223
(2 × 3 × 3 × 5 × 7 × 13 × 19 × 163 × 1223)See below for interesting mathematical facts about the number 31020697890 from the Numbermatics database.
Names of 31020697890
- Cardinal: 31020697890 can be written as Thirty-one billion, twenty million, six hundred ninety-seven thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 3.102069789 × 1010
Factors of 31020697890
Divisors of 31020697890
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 5 6 7 9 10 13 14 15 18 19 21 26 30 35 38 39 42 45 57 63 65 70 78 90 91 95 105 114 117 126 130 133 163 171 182 190 195 210 234 247 266 273 285 315 326 342 390 399 455 489 494 546 570 585 630 665 741 798 815 819 855 910 978 1141 1170 1197 1223 1235 1330 1365 1467 1482 1630 1638 1710 1729 1995 2119 2223 2282 2394 2445 2446 2470 2730 2934 3097 3423 3458 3669 3705 3990 4095 4238 4446 4890 5187 5705 5985 6115 6194 6357 6846 7335 7338 7410 8190 8561 8645 9291 10269 10374 10595 11007 11115 11410 11970 12230 12714 14670 14833 15485 15561 15899 17115 17122 17290 18345 18582 19071 20538 21190 21679 22014 22230 23237 25683 25935 27873 29666 30970 31122 31785 31798 34230 36690 38142 40261 42805 43358 44499 46455 46474 47697 51345 51366 51870 55035 55746 63570 65037 69711 74165 77049 77805 79495 80522 85610 88998 92910 95355 95394 102690 108395 110070 111293 116185 120783 128415 130074 133497 139365 139422 143091 148330 154098 155610 158990 162659 190710 195111 199349 201305 209133 216790 222495 222586 232370 238485 241566 256830 266994 278730 281827 286182 302081 325185 325318 333879 348555 362349 385245 390222 398698 402610 418266 444990 476970 487977 556465 563654 598047 603915 604162 650370 667485 667758 697110 715455 724698 770490 813295 845481 906243 975555 975954 996745 1001637 1045665 1112930 1196094 1207830 1334970 1395443 1409135 1430910 1463931 1510405 1626590 1669395 1690962 1794141 1811745 1812486 1951110 1993490 2003274 2091330 2114567 2439885 2536443 2591537 2718729 2790886 2818270 2927862 2990235 3020810 3338790 3588282 3623490 3787631 4186329 4227405 4229134 4531215 4879770 5008185 5072886 5183074 5437458 5980470 6343701 6977215 7319655 7575262 7774611 8372658 8454810 8970705 9062430 10016370 10572835 11362893 12558987 12682215 12687402 12957685 13593645 13954430 14639310 15549222 17941410 18140759 18938155 19031103 20931645 21145670 22725786 23323833 25117974 25364430 25915370 26513417 27187290 31718505 34088679 36281518 37876310 38062206 38873055 41863290 46647666 49239203 53026834 54422277 56814465 62794935 63437010 68177358 77746110 79540251 90703795 95155515 98478406 108844554 113628930 116619165 125589870 132567085 147717609 159080502 163266831 170443395 181407590 190311030 233238330 238620753 246196015 265134170 272111385 295435218 326533662 340886790 344674421 397701255 443152827 477241506 492392030 544222770 689348842 738588045 795402510 816334155 886305654 1034023263 1193103765 1477176090 1632668310 1723372105 2068046526 2215764135 2386207530 3102069789 3446744210 4431528270 5170116315 6204139578 10340232630 15510348945 31020697890
- Sum of all divisors σ(n): 105217781760
- Sum of proper divisors (its aliquot sum) s(n): 74197083870
- 31020697890 is an abundant number, because the sum of its proper divisors (74197083870) is greater than itself. Its abundance is 43176385980
Bases of 31020697890
- Binary: 111001110001111101001001001001000102
- Hexadecimal: 0x738FA4922
- Base-36: E90X7OI
Squares and roots of 31020697890
- 31020697890 squared (310206978902) is 962283697582650452100
- 31020697890 cubed (310206978903) is 29850711867183522980066016069000
-
The
square root of 31020697890 is 176126.9368665679 -
The
cube root of 31020697890 is 3142.0796361103
Scales and comparisons
How big is 31020697890?- 31,020,697,890 seconds is equal to 986 years, 18 weeks, 5 days, 20 hours, 31 minutes, 30 seconds.
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To count from 1 to 31,020,697,890 would take you about one thousand, nine hundred seventy-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 31020697890 cubic inches would be around 261.8 feet tall.
Recreational maths with 31020697890
- 31020697890 backwards is 09879602013
- 31020697890 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31020697890's digits is 45
- More coming soon!
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