139742720
139,742,720 is an even composite number composed of five prime numbers multiplied together.
139742720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 139742720:
29 × 5 × 132 × 17 × 19
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 13 × 17 × 19)See below for interesting mathematical facts about the number 139742720 from the Numbermatics database.
Names of 139742720
- Cardinal: 139742720 can be written as One hundred thirty-nine million, seven hundred forty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.3974272 × 108
Factors of 139742720
Divisors of 139742720
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 4 5 8 10 13 16 17 19 20 26 32 34 38 40 52 64 65 68 76 80 85 95 104 128 130 136 152 160 169 170 190 208 221 247 256 260 272 304 320 323 338 340 380 416 442 494 512 520 544 608 640 646 676 680 760 832 845 884 988 1040 1088 1105 1216 1235 1280 1292 1352 1360 1520 1615 1664 1690 1768 1976 2080 2176 2210 2432 2470 2560 2584 2704 2720 2873 3040 3211 3230 3328 3380 3536 3952 4160 4199 4352 4420 4864 4940 5168 5408 5440 5746 6080 6422 6460 6656 6760 7072 7904 8320 8398 8704 8840 9728 9880 10336 10816 10880 11492 12160 12844 12920 13520 14144 14365 15808 16055 16640 16796 17680 19760 20672 20995 21632 21760 22984 24320 25688 25840 27040 28288 28730 31616 32110 33280 33592 35360 39520 41344 41990 43264 43520 45968 48640 51376 51680 54080 54587 56576 57460 63232 64220 67184 70720 79040 82688 83980 86528 91936 102752 103360 108160 109174 113152 114920 126464 128440 134368 141440 158080 165376 167960 183872 205504 206720 216320 218348 229840 256880 268736 272935 282880 316160 335920 367744 411008 413440 432640 436696 459680 513760 537472 545870 565760 632320 671840 735488 822016 826880 873392 919360 1027520 1074944 1091740 1343680 1470976 1644032 1746784 1838720 2055040 2149888 2183480 2687360 3493568 3677440 4110080 4366960 5374720 6987136 7354880 8220160 8733920 10749440 13974272 17467840 27948544 34935680 69871360 139742720
- Sum of all divisors σ(n): 404371440
- Sum of proper divisors (its aliquot sum) s(n): 264628720
- 139742720 is an abundant number, because the sum of its proper divisors (264628720) is greater than itself. Its abundance is 124886000
Bases of 139742720
- Binary: 10000101010001001110000000002
- Hexadecimal: 0x8544E00
- Base-36: 2B7668
Squares and roots of 139742720
- 139742720 squared (1397427202) is 19528027792998400
- 139742720 cubed (1397427203) is 2728899720029193371648000
-
The
square root of 139742720 is 11821.2825023345 -
The
cube root of 139742720 is 518.9311377879
Scales and comparisons
How big is 139742720?- 139,742,720 seconds is equal to 4 years, 23 weeks, 9 hours, 25 minutes, 20 seconds.
-
To count from 1 to 139,742,720 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 139742720 cubic inches would be around 43.2 feet tall.
Recreational maths with 139742720
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