72897216
72,897,216 is an even composite number composed of five prime numbers multiplied together.
72897216 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 72897216:
26 × 3 × 7 × 73 × 743
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 73 × 743)See below for interesting mathematical facts about the number 72897216 from the Numbermatics database.
Names of 72897216
- Cardinal: 72897216 can be written as Seventy-two million, eight hundred ninety-seven thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 7.2897216 × 107
Factors of 72897216
Divisors of 72897216
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 73 84 96 112 146 168 192 219 224 292 336 438 448 511 584 672 743 876 1022 1168 1344 1486 1533 1752 2044 2229 2336 2972 3066 3504 4088 4458 4672 5201 5944 6132 7008 8176 8916 10402 11888 12264 14016 15603 16352 17832 20804 23776 24528 31206 32704 35664 41608 47552 49056 54239 62412 71328 83216 98112 108478 124824 142656 162717 166432 216956 249648 325434 332864 379673 433912 499296 650868 759346 867824 998592 1139019 1301736 1518692 1735648 2278038 2603472 3037384 3471296 4556076 5206944 6074768 9112152 10413888 12149536 18224304 24299072 36448608 72897216
- Sum of all divisors σ(n): 223747584
- Sum of proper divisors (its aliquot sum) s(n): 150850368
- 72897216 is an abundant number, because the sum of its proper divisors (150850368) is greater than itself. Its abundance is 77953152
Bases of 72897216
- Binary: 1000101100001010010110000002
- Hexadecimal: 0x45852C0
- Base-36: 17EFUO
Squares and roots of 72897216
- 72897216 squared (728972162) is 5314004100550656
- 72897216 cubed (728972163) is 387376104742726889373696
-
The
square root of 72897216 is 8537.9866479165 -
The
cube root of 72897216 is 417.7376771865
Scales and comparisons
How big is 72897216?- 72,897,216 seconds is equal to 2 years, 16 weeks, 3 days, 17 hours, 13 minutes, 36 seconds.
-
To count from 1 to 72,897,216 would take you about three 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 72897216 cubic inches would be around 34.8 feet tall.
Recreational maths with 72897216
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