397228216
397,228,216 is an even composite number composed of five prime numbers multiplied together.
397228216 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 397228216:
23 × 7 × 11 × 233 × 53
(2 × 2 × 2 × 7 × 11 × 23 × 23 × 23 × 53)See below for interesting mathematical facts about the number 397228216 from the Numbermatics database.
Names of 397228216
- Cardinal: 397228216 can be written as Three hundred ninety-seven million, two hundred twenty-eight thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 3.97228216 × 108
Factors of 397228216
Divisors of 397228216
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 7 8 11 14 22 23 28 44 46 53 56 77 88 92 106 154 161 184 212 253 308 322 371 424 506 529 583 616 644 742 1012 1058 1166 1219 1288 1484 1771 2024 2116 2332 2438 2968 3542 3703 4081 4232 4664 4876 5819 7084 7406 8162 8533 9752 11638 12167 13409 14168 14812 16324 17066 23276 24334 26818 28037 29624 32648 34132 40733 46552 48668 53636 56074 68264 81466 85169 93863 97336 107272 112148 133837 162932 170338 187726 196259 224296 267674 308407 325864 340676 375452 392518 535348 616814 644851 681352 750904 785036 936859 1070696 1233628 1289702 1570072 1873718 2158849 2467256 2579404 3747436 4317698 4513957 5158808 7093361 7494872 8635396 9027914 14186722 17270792 18055828 28373444 36111656 49653527 56746888 99307054 198614108 397228216
- Sum of all divisors σ(n): 989107200
- Sum of proper divisors (its aliquot sum) s(n): 591878984
- 397228216 is an abundant number, because the sum of its proper divisors (591878984) is greater than itself. Its abundance is 194650768
Bases of 397228216
- Binary: 101111010110100111000101110002
- Hexadecimal: 0x17AD38B8
- Base-36: 6KHZ94
Squares and roots of 397228216
- 397228216 squared (3972282162) is 157790255586542656
- 397228216 cubed (3972282163) is 62678741728826372850781696
-
The
square root of 397228216 is 19930.5849387317 -
The
cube root of 397228216 is 735.1004635377
Scales and comparisons
How big is 397228216?- 397,228,216 seconds is equal to 12 years, 32 weeks, 5 days, 13 hours, 10 minutes, 16 seconds.
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To count from 1 to 397,228,216 would take you about eighteen 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 397228216 cubic inches would be around 61.3 feet tall.
Recreational maths with 397228216
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