139849920
139,849,920 is an even composite number composed of five prime numbers multiplied together.
139849920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 139849920:
26 × 32 × 5 × 72 × 991
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 7 × 991)See below for interesting mathematical facts about the number 139849920 from the Numbermatics database.
Names of 139849920
- Cardinal: 139849920 can be written as One hundred thirty-nine million, eight hundred forty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3984992 × 108
Factors of 139849920
Divisors of 139849920
- Number of divisors d(n): 252
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 49 56 60 63 64 70 72 80 84 90 96 98 105 112 120 126 140 144 147 160 168 180 192 196 210 224 240 245 252 280 288 294 315 320 336 360 392 420 441 448 480 490 504 560 576 588 630 672 720 735 784 840 882 960 980 991 1008 1120 1176 1260 1344 1440 1470 1568 1680 1764 1960 1982 2016 2205 2240 2352 2520 2880 2940 2973 3136 3360 3528 3920 3964 4032 4410 4704 4955 5040 5880 5946 6720 6937 7056 7840 7928 8820 8919 9408 9910 10080 11760 11892 13874 14112 14865 15680 15856 17640 17838 19820 20160 20811 23520 23784 27748 28224 29730 31712 34685 35280 35676 39640 41622 44595 47040 47568 48559 55496 59460 62433 63424 69370 70560 71352 79280 83244 89190 95136 97118 104055 110992 118920 124866 138740 141120 142704 145677 158560 166488 178380 190272 194236 208110 221984 237840 242795 249732 277480 285408 291354 312165 317120 332976 356760 388472 416220 437031 443968 475680 485590 499464 554960 570816 582708 624330 665952 713520 728385 776944 832440 874062 951360 971180 998928 1109920 1165416 1248660 1331904 1427040 1456770 1553888 1664880 1748124 1942360 1997856 2185155 2219840 2330832 2497320 2854080 2913540 3107776 3329760 3496248 3884720 3995712 4370310 4661664 4994640 5827080 6659520 6992496 7769440 8740620 9323328 9989280 11654160 13984992 15538880 17481240 19978560 23308320 27969984 34962480 46616640 69924960 139849920
- Sum of all divisors σ(n): 560124864
- Sum of proper divisors (its aliquot sum) s(n): 420274944
- 139849920 is an abundant number, because the sum of its proper divisors (420274944) is greater than itself. Its abundance is 280425024
Bases of 139849920
- Binary: 10000101010111110000110000002
- Hexadecimal: 0x855F0C0
- Base-36: 2B9GW0
Squares and roots of 139849920
- 139849920 squared (1398499202) is 19558000124006400
- 139849920 cubed (1398499203) is 2735184752702285119488000
-
The
square root of 139849920 is 11825.8158280941 -
The
cube root of 139849920 is 519.0637987215
Scales and comparisons
How big is 139849920?- 139,849,920 seconds is equal to 4 years, 23 weeks, 1 day, 15 hours, 12 minutes.
-
To count from 1 to 139,849,920 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 139849920 cubic inches would be around 43.3 feet tall.
Recreational maths with 139849920
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