139489920
139,489,920 is an even composite number composed of five prime numbers multiplied together.
139489920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 139489920:
27 × 32 × 5 × 61 × 397
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 61 × 397)See below for interesting mathematical facts about the number 139489920 from the Numbermatics database.
Names of 139489920
- Cardinal: 139489920 can be written as One hundred thirty-nine million, four hundred eighty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3948992 × 108
Factors of 139489920
Divisors of 139489920
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 61 64 72 80 90 96 120 122 128 144 160 180 183 192 240 244 288 305 320 360 366 384 397 480 488 549 576 610 640 720 732 794 915 960 976 1098 1152 1191 1220 1440 1464 1588 1830 1920 1952 1985 2196 2382 2440 2745 2880 2928 3176 3573 3660 3904 3970 4392 4764 4880 5490 5760 5856 5955 6352 7146 7320 7808 7940 8784 9528 9760 10980 11712 11910 12704 14292 14640 15880 17568 17865 19056 19520 21960 23424 23820 24217 25408 28584 29280 31760 35136 35730 38112 39040 43920 47640 48434 50816 57168 58560 63520 70272 71460 72651 76224 87840 95280 96868 114336 117120 121085 127040 142920 145302 152448 175680 190560 193736 217953 228672 242170 254080 285840 290604 351360 363255 381120 387472 435906 457344 484340 571680 581208 726510 762240 774944 871812 968680 1089765 1143360 1162416 1453020 1549888 1743624 1937360 2179530 2286720 2324832 2906040 3099776 3487248 3874720 4359060 4649664 5812080 6974496 7749440 8718120 9299328 11624160 13948992 15498880 17436240 23248320 27897984 34872480 46496640 69744960 139489920
- Sum of all divisors σ(n): 490805640
- Sum of proper divisors (its aliquot sum) s(n): 351315720
- 139489920 is an abundant number, because the sum of its proper divisors (351315720) is greater than itself. Its abundance is 211825800
Bases of 139489920
- Binary: 10000101000001110010100000002
- Hexadecimal: 0x8507280
- Base-36: 2B1R40
Squares and roots of 139489920
- 139489920 squared (1394899202) is 19457437781606400
- 139489920 cubed (1394899203) is 2714116439561254207488000
-
The
square root of 139489920 is 11810.5850828823 -
The
cube root of 139489920 is 518.6180267173
Scales and comparisons
How big is 139489920?- 139,489,920 seconds is equal to 4 years, 22 weeks, 4 days, 11 hours, 12 minutes.
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To count from 1 to 139,489,920 would take you about 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 139489920 cubic inches would be around 43.2 feet tall.
Recreational maths with 139489920
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