139905040
139,905,040 is an even composite number composed of five prime numbers multiplied together.
139905040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 139905040:
24 × 5 × 112 × 97 × 149
(2 × 2 × 2 × 2 × 5 × 11 × 11 × 97 × 149)See below for interesting mathematical facts about the number 139905040 from the Numbermatics database.
Names of 139905040
- Cardinal: 139905040 can be written as One hundred thirty-nine million, nine hundred five thousand and forty.
Scientific notation
- Scientific notation: 1.3990504 × 108
Factors of 139905040
Divisors of 139905040
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 97 110 121 149 176 194 220 242 298 388 440 484 485 596 605 745 776 880 968 970 1067 1192 1210 1490 1552 1639 1936 1940 2134 2384 2420 2980 3278 3880 4268 4840 5335 5960 6556 7760 8195 8536 9680 10670 11737 11920 13112 14453 16390 17072 18029 21340 23474 26224 28906 32780 36058 42680 46948 57812 58685 65560 72116 72265 85360 90145 93896 115624 117370 131120 144232 144530 158983 180290 187792 231248 234740 288464 289060 317966 360580 469480 578120 635932 721160 794915 938960 1156240 1271864 1442320 1589830 1748813 2543728 3179660 3497626 6359320 6995252 8744065 12718640 13990504 17488130 27981008 34976260 69952520 139905040
- Sum of all divisors σ(n): 363648600
- Sum of proper divisors (its aliquot sum) s(n): 223743560
- 139905040 is an abundant number, because the sum of its proper divisors (223743560) is greater than itself. Its abundance is 83838520
Bases of 139905040
- Binary: 10000101011011001000000100002
- Hexadecimal: 0x856C810
- Base-36: 2BANF4
Squares and roots of 139905040
- 139905040 squared (1399050402) is 19573420217401600
- 139905040 cubed (1399050403) is 2738420138452379544064000
-
The
square root of 139905040 is 11828.1460931119 -
The
cube root of 139905040 is 519.1319838125
Scales and comparisons
How big is 139905040?- 139,905,040 seconds is equal to 4 years, 23 weeks, 2 days, 6 hours, 30 minutes, 40 seconds.
-
To count from 1 to 139,905,040 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 139905040 cubic inches would be around 43.3 feet tall.
Recreational maths with 139905040
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