139721400
139,721,400 is an even composite number composed of six prime numbers multiplied together.
139721400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 139721400:
23 × 32 × 52 × 7 × 13 × 853
(2 × 2 × 2 × 3 × 3 × 5 × 5 × 7 × 13 × 853)See below for interesting mathematical facts about the number 139721400 from the Numbermatics database.
Names of 139721400
- Cardinal: 139721400 can be written as One hundred thirty-nine million, seven hundred twenty-one thousand, four hundred.
Scientific notation
- Scientific notation: 1.397214 × 108
Factors of 139721400
Divisors of 139721400
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 25 26 28 30 35 36 39 40 42 45 50 52 56 60 63 65 70 72 75 78 84 90 91 100 104 105 117 120 126 130 140 150 156 168 175 180 182 195 200 210 225 234 252 260 273 280 300 312 315 325 350 360 364 390 420 450 455 468 504 520 525 546 585 600 630 650 700 728 780 819 840 853 900 910 936 975 1050 1092 1170 1260 1300 1365 1400 1560 1575 1638 1706 1800 1820 1950 2100 2184 2275 2340 2520 2559 2600 2730 2925 3150 3276 3412 3640 3900 4095 4200 4265 4550 4680 5118 5460 5850 5971 6300 6552 6824 6825 7677 7800 8190 8530 9100 10236 10920 11089 11700 11942 12600 12795 13650 15354 16380 17060 17913 18200 20472 20475 21325 22178 23400 23884 25590 27300 29855 30708 32760 33267 34120 35826 38385 40950 42650 44356 47768 51180 53739 54600 55445 59710 61416 63975 66534 71652 76770 77623 81900 85300 88712 89565 99801 102360 107478 110890 119420 127950 133068 143304 149275 153540 155246 163800 166335 170600 179130 191925 199602 214956 221780 232869 238840 255900 266136 268695 277225 298550 307080 310492 332670 358260 383850 388115 399204 429912 443560 447825 465738 499005 511800 537390 554450 597100 620984 665340 698607 716520 767700 776230 798408 831675 895650 931476 998010 1074780 1108900 1164345 1194200 1330680 1343475 1397214 1535400 1552460 1663350 1791300 1862952 1940575 1996020 2149560 2217800 2328690 2495025 2686950 2794428 3104920 3326700 3493035 3582600 3881150 3992040 4657380 4990050 5373900 5588856 5821725 6653400 6986070 7762300 9314760 9980100 10747800 11643450 13972140 15524600 17465175 19960200 23286900 27944280 34930350 46573800 69860700 139721400
- Sum of all divisors σ(n): 578192160
- Sum of proper divisors (its aliquot sum) s(n): 438470760
- 139721400 is an abundant number, because the sum of its proper divisors (438470760) is greater than itself. Its abundance is 298749360
Bases of 139721400
- Binary: 10000101001111111010101110002
- Hexadecimal: 0x853FAB8
- Base-36: 2B6PQ0
Squares and roots of 139721400
- 139721400 squared (1397214002) is 19522069617960000
- 139721400 cubed (1397214003) is 2727650897918836344000000
-
The
square root of 139721400 is 11820.3807045289 -
The
cube root of 139721400 is 518.9047460147
Scales and comparisons
How big is 139721400?- 139,721,400 seconds is equal to 4 years, 23 weeks, 3 hours, 30 minutes.
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To count from 1 to 139,721,400 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 139721400 cubic inches would be around 43.2 feet tall.
Recreational maths with 139721400
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