668072000
668,072,000 is an even composite number composed of four prime numbers multiplied together.
668072000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 668072000:
26 × 53 × 372 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 37 × 37 × 61)See below for interesting mathematical facts about the number 668072000 from the Numbermatics database.
Names of 668072000
- Cardinal: 668072000 can be written as Six hundred sixty-eight million, seventy-two thousand.
Scientific notation
- Scientific notation: 6.68072 × 108
Factors of 668072000
Divisors of 668072000
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 37 40 50 61 64 74 80 100 122 125 148 160 185 200 244 250 296 305 320 370 400 488 500 592 610 740 800 925 976 1000 1184 1220 1369 1480 1525 1600 1850 1952 2000 2257 2368 2440 2738 2960 3050 3700 3904 4000 4514 4625 4880 5476 5920 6100 6845 7400 7625 8000 9028 9250 9760 10952 11285 11840 12200 13690 14800 15250 18056 18500 19520 21904 22570 24400 27380 29600 30500 34225 36112 37000 43808 45140 48800 54760 56425 59200 61000 68450 72224 74000 83509 87616 90280 97600 109520 112850 122000 136900 144448 148000 167018 171125 180560 219040 225700 244000 273800 282125 296000 334036 342250 361120 417545 438080 451400 488000 547600 564250 668072 684500 722240 835090 902800 1095200 1128500 1336144 1369000 1670180 1805600 2087725 2190400 2257000 2672288 2738000 3340360 3611200 4175450 4514000 5344576 5476000 6680720 8350900 9028000 10438625 10952000 13361440 16701800 18056000 20877250 26722880 33403600 41754500 66807200 83509000 133614400 167018000 334036000 668072000
- Sum of all divisors σ(n): 1728280008
- Sum of proper divisors (its aliquot sum) s(n): 1060208008
- 668072000 is an abundant number, because the sum of its proper divisors (1060208008) is greater than itself. Its abundance is 392136008
Bases of 668072000
- Binary: 1001111101000111111000010000002
- Hexadecimal: 0x27D1F840
- Base-36: B1R3NK
Squares and roots of 668072000
- 668072000 squared (6680720002) is 446320197184000000
- 668072000 cubed (6680720003) is 298174026773109248000000000
-
The
square root of 668072000 is 25847.0888109281 -
The
cube root of 668072000 is 874.1938697917
Scales and comparisons
How big is 668072000?- 668,072,000 seconds is equal to 21 years, 12 weeks, 4 days, 7 hours, 33 minutes, 20 seconds.
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To count from 1 to 668,072,000 would take you about thirty-one 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 668072000 cubic inches would be around 72.8 feet tall.
Recreational maths with 668072000
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