12971340
12,971,340 is an even composite number composed of five prime numbers multiplied together.
12971340 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 12971340:
22 × 35 × 5 × 17 × 157
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 17 × 157)See below for interesting mathematical facts about the number 12971340 from the Numbermatics database.
Names of 12971340
- Cardinal: 12971340 can be written as Twelve million, nine hundred seventy-one thousand, three hundred forty.
Scientific notation
- Scientific notation: 1.297134 × 107
Factors of 12971340
Divisors of 12971340
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 68 81 85 90 102 108 135 153 157 162 170 180 204 243 255 270 306 314 324 340 405 459 471 486 510 540 612 628 765 785 810 918 942 972 1020 1215 1377 1413 1530 1570 1620 1836 1884 2295 2355 2430 2669 2754 2826 3060 3140 4131 4239 4590 4710 4860 5338 5508 5652 6885 7065 8007 8262 8478 9180 9420 10676 12717 13345 13770 14130 16014 16524 16956 20655 21195 24021 25434 26690 27540 28260 32028 38151 40035 41310 42390 48042 50868 53380 63585 72063 76302 80070 82620 84780 96084 120105 127170 144126 152604 160140 190755 216189 240210 254340 288252 360315 381510 432378 480420 648567 720630 763020 864756 1080945 1297134 1441260 2161890 2594268 3242835 4323780 6485670 12971340
- Sum of all divisors σ(n): 43479072
- Sum of proper divisors (its aliquot sum) s(n): 30507732
- 12971340 is an abundant number, because the sum of its proper divisors (30507732) is greater than itself. Its abundance is 17536392
Bases of 12971340
- Binary: 1100010111101101010011002
- Hexadecimal: 0xC5ED4C
- Base-36: 7Q0R0
Squares and roots of 12971340
- 12971340 squared (129713402) is 168255661395600
- 12971340 cubed (129713403) is 2182501390887202104000
-
The
square root of 12971340 is 3601.5746556195 -
The
cube root of 12971340 is 234.9605486815
Scales and comparisons
How big is 12971340?- 12,971,340 seconds is equal to 21 weeks, 3 days, 3 hours, 9 minutes.
-
To count from 1 to 12,971,340 would take you about thirty-two weeks!
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 12971340 cubic inches would be around 19.6 feet tall.
Recreational maths with 12971340
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