164400938400
164,400,938,400 is an even composite number composed of four prime numbers multiplied together.
164400938400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 164400938400:
25 × 3 × 52 × 68500391
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 68500391)See below for interesting mathematical facts about the number 164400938400 from the Numbermatics database.
Names of 164400938400
- Cardinal: 164400938400 can be written as One hundred sixty-four billion, four hundred million, nine hundred thirty-eight thousand, four hundred.
Scientific notation
- Scientific notation: 1.644009384 × 1011
Factors of 164400938400
Divisors of 164400938400
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 68500391 137000782 205501173 274001564 342501955 411002346 548003128 685003910 822004692 1027505865 1096006256 1370007820 1644009384 1712509775 2055011730 2192012512 2740015640 3288018768 3425019550 4110023460 5137529325 5480031280 6576037536 6850039100 8220046920 10275058650 10960062560 13700078200 16440093840 20550117300 27400156400 32880187680 41100234600 54800312800 82200469200 164400938400
- Sum of all divisors σ(n): 535125062304
- Sum of proper divisors (its aliquot sum) s(n): 370724123904
- 164400938400 is an abundant number, because the sum of its proper divisors (370724123904) is greater than itself. Its abundance is 206323185504
Bases of 164400938400
- Binary: 100110010001110000111100111101101000002
- Hexadecimal: 0x26470F3DA0
- Base-36: 23IW2NXC
Squares and roots of 164400938400
- 164400938400 squared (1644009384002) is 27027668546800594560000
- 164400938400 cubed (1644009384003) is 4443374071858182063341935104000000
-
The
square root of 164400938400 is 405463.8558490757 -
The
cube root of 164400938400 is 5478.1606503887
Scales and comparisons
How big is 164400938400?- 164,400,938,400 seconds is equal to 5,227 years, 22 weeks, 6 days, 15 hours, 20 minutes.
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To count from 1 to 164,400,938,400 would take you about ten thousand, four hundred fifty-four 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 164400938400 cubic inches would be around 456.5 feet tall.
Recreational maths with 164400938400
- 164400938400 backwards is 004839004461
- The number of decimal digits it has is: 12
- The sum of 164400938400's digits is 39
- More coming soon!
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