400989000
400,989,000 is an even composite number composed of five prime numbers multiplied together.
400989000 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 400989000:
23 × 3 × 53 × 73 × 1831
(2 × 2 × 2 × 3 × 5 × 5 × 5 × 73 × 1831)See below for interesting mathematical facts about the number 400989000 from the Numbermatics database.
Names of 400989000
- Cardinal: 400989000 can be written as Four hundred million, nine hundred eighty-nine thousand.
Scientific notation
- Scientific notation: 4.00989 × 108
Factors of 400989000
Divisors of 400989000
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 73 75 100 120 125 146 150 200 219 250 292 300 365 375 438 500 584 600 730 750 876 1000 1095 1460 1500 1752 1825 1831 2190 2920 3000 3650 3662 4380 5475 5493 7300 7324 8760 9125 9155 10950 10986 14600 14648 18250 18310 21900 21972 27375 27465 36500 36620 43800 43944 45775 54750 54930 73000 73240 91550 109500 109860 133663 137325 183100 219000 219720 228875 267326 274650 366200 400989 457750 534652 549300 668315 686625 801978 915500 1069304 1098600 1336630 1373250 1603956 1831000 2004945 2673260 2746500 3207912 3341575 4009890 5346520 5493000 6683150 8019780 10024725 13366300 16039560 16707875 20049450 26732600 33415750 40098900 50123625 66831500 80197800 100247250 133663000 200494500 400989000
- Sum of all divisors σ(n): 1268916480
- Sum of proper divisors (its aliquot sum) s(n): 867927480
- 400989000 is an abundant number, because the sum of its proper divisors (867927480) is greater than itself. Its abundance is 466938480
Bases of 400989000
- Binary: 101111110011010011011010010002
- Hexadecimal: 0x17E69B48
- Base-36: 6MQL3C
Squares and roots of 400989000
- 400989000 squared (4009890002) is 160792178121000000
- 400989000 cubed (4009890003) is 64475894712561669000000000
-
The
square root of 400989000 is 20024.7097357241 -
The
cube root of 400989000 is 737.4130511303
Scales and comparisons
How big is 400989000?- 400,989,000 seconds is equal to 12 years, 39 weeks, 1 hour, 50 minutes.
-
To count from 1 to 400,989,000 would take you about nineteen 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 400989000 cubic inches would be around 61.5 feet tall.
Recreational maths with 400989000
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