138709500
138,709,500 is an even composite number composed of six prime numbers multiplied together.
138709500 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138709500:
22 × 3 × 53 × 19 × 31 × 157
(2 × 2 × 3 × 5 × 5 × 5 × 19 × 31 × 157)See below for interesting mathematical facts about the number 138709500 from the Numbermatics database.
Names of 138709500
- Cardinal: 138709500 can be written as One hundred thirty-eight million, seven hundred nine thousand, five hundred.
Scientific notation
- Scientific notation: 1.387095 × 108
Factors of 138709500
Divisors of 138709500
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 19 20 25 30 31 38 50 57 60 62 75 76 93 95 100 114 124 125 150 155 157 186 190 228 250 285 300 310 314 372 375 380 465 471 475 500 570 589 620 628 750 775 785 930 942 950 1140 1178 1425 1500 1550 1570 1767 1860 1884 1900 2325 2355 2356 2375 2850 2945 2983 3100 3140 3534 3875 3925 4650 4710 4750 4867 5700 5890 5966 7068 7125 7750 7850 8835 8949 9300 9420 9500 9734 11625 11775 11780 11932 14250 14601 14725 14915 15500 15700 17670 17898 19468 19625 23250 23550 24335 28500 29202 29450 29830 35340 35796 39250 44175 44745 46500 47100 48670 58404 58875 58900 59660 73005 73625 74575 78500 88350 89490 92473 97340 117750 121675 146010 147250 149150 176700 178980 184946 220875 223725 235500 243350 277419 292020 294500 298300 365025 369892 372875 441750 447450 462365 486700 554838 608375 730050 745750 883500 894900 924730 1109676 1118625 1216750 1387095 1460100 1491500 1825125 1849460 2237250 2311825 2433500 2774190 3650250 4474500 4623650 5548380 6935475 7300500 9247300 11559125 13870950 23118250 27741900 34677375 46236500 69354750 138709500
- Sum of all divisors σ(n): 441692160
- Sum of proper divisors (its aliquot sum) s(n): 302982660
- 138709500 is an abundant number, because the sum of its proper divisors (302982660) is greater than itself. Its abundance is 164273160
Bases of 138709500
- Binary: 10000100010010001001111111002
- Hexadecimal: 0x84489FC
- Base-36: 2AL0XO
Squares and roots of 138709500
- 138709500 squared (1387095002) is 19240325390250000
- 138709500 cubed (1387095003) is 2668815914718882375000000
-
The
square root of 138709500 is 11777.4997346635 -
The
cube root of 138709500 is 517.6490270697
Scales and comparisons
How big is 138709500?- 138,709,500 seconds is equal to 4 years, 21 weeks, 2 days, 10 hours, 25 minutes.
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To count from 1 to 138,709,500 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 138709500 cubic inches would be around 43.1 feet tall.
Recreational maths with 138709500
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