138685025920
138,685,025,920 is an even composite number composed of six prime numbers multiplied together.
138685025920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 138685025920:
27 × 5 × 7 × 67 × 131 × 3527
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 67 × 131 × 3527)See below for interesting mathematical facts about the number 138685025920 from the Numbermatics database.
Names of 138685025920
- Cardinal: 138685025920 can be written as One hundred thirty-eight billion, six hundred eighty-five million, twenty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3868502592 × 1011
Factors of 138685025920
Divisors of 138685025920
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 67 70 80 112 128 131 134 140 160 224 262 268 280 320 335 448 469 524 536 560 640 655 670 896 917 938 1048 1072 1120 1310 1340 1834 1876 2096 2144 2240 2345 2620 2680 3527 3668 3752 4192 4288 4480 4585 4690 5240 5360 7054 7336 7504 8384 8576 8777 9170 9380 10480 10720 14108 14672 15008 16768 17554 17635 18340 18760 20960 21440 24689 28216 29344 30016 35108 35270 36680 37520 41920 42880 43885 49378 56432 58688 60032 61439 70216 70540 73360 75040 83840 87770 98756 112864 117376 122878 123445 140432 141080 146720 150080 175540 197512 225728 236309 245756 246890 280864 282160 293440 300160 307195 351080 395024 451456 462037 472618 491512 493780 561728 564320 586880 614390 702160 790048 924074 945236 983024 987560 1123456 1128640 1181545 1228780 1404320 1580096 1654163 1848148 1890472 1966048 1975120 2257280 2310185 2363090 2457560 2808640 3160192 3234259 3308326 3696296 3780944 3932096 3950240 4620370 4726180 4915120 5617280 6468518 6616652 7392592 7561888 7864192 7900480 8270815 9240740 9452360 9830240 12937036 13233304 14785184 15123776 15800960 16171295 16541630 18481480 18904720 19660480 25874072 26466608 29570368 30247552 30956479 32342590 33083260 36962960 37809440 39320960 51748144 52933216 59140736 61912958 64685180 66166520 73925920 75618880 103496288 105866432 123825916 129370360 132333040 147851840 151237760 154782395 206992576 211732864 216695353 247651832 258740720 264666080 295703680 309564790 413985152 433390706 495303664 517481440 529332160 619129580 866781412 990607328 1034962880 1058664320 1083476765 1238259160 1733562824 1981214656 2069925760 2166953530 2476518320 3467125648 3962429312 4333907060 4953036640 6934251296 8667814120 9906073280 13868502592 17335628240 19812146560 27737005184 34671256480 69342512960 138685025920
- Sum of all divisors σ(n): 387608094720
- Sum of proper divisors (its aliquot sum) s(n): 248923068800
- 138685025920 is an abundant number, because the sum of its proper divisors (248923068800) is greater than itself. Its abundance is 110238042880
Bases of 138685025920
- Binary: 100000010010100100010110001110100000002
- Hexadecimal: 0x204A458E80
- Base-36: 1RPLHEV4
Squares and roots of 138685025920
- 138685025920 squared (1386850259202) is 19233536414431071846400
- 138685025920 cubed (1386850259203) is 2667403496168637061071366258688000
-
The
square root of 138685025920 is 372404.3849365901 -
The
cube root of 138685025920 is 5176.1858039553
Scales and comparisons
How big is 138685025920?- 138,685,025,920 seconds is equal to 4,409 years, 39 weeks, 1 day, 18 hours, 18 minutes, 40 seconds.
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To count from 1 to 138,685,025,920 would take you about eight thousand, eight hundred 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 138685025920 cubic inches would be around 431.3 feet tall.
Recreational maths with 138685025920
- 138685025920 backwards is 029520586831
- The number of decimal digits it has is: 12
- The sum of 138685025920's digits is 49
- More coming soon!
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