28123160400
28,123,160,400 is an even composite number composed of five prime numbers multiplied together.
28123160400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 28123160400:
24 × 32 × 52 × 2789 × 2801
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 2789 × 2801)See below for interesting mathematical facts about the number 28123160400 from the Numbermatics database.
Names of 28123160400
- Cardinal: 28123160400 can be written as Twenty-eight billion, one hundred twenty-three million, one hundred sixty thousand, four hundred.
Scientific notation
- Scientific notation: 2.81231604 × 1010
Factors of 28123160400
Divisors of 28123160400
- Number of divisors d(n): 180
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 300 360 400 450 600 720 900 1200 1800 2789 2801 3600 5578 5602 8367 8403 11156 11204 13945 14005 16734 16806 22312 22408 25101 25209 27890 28010 33468 33612 41835 42015 44624 44816 50202 50418 55780 56020 66936 67224 69725 70025 83670 84030 100404 100836 111560 112040 125505 126045 133872 134448 139450 140050 167340 168060 200808 201672 209175 210075 223120 224080 251010 252090 278900 280100 334680 336120 401616 403344 418350 420150 502020 504180 557800 560200 627525 630225 669360 672240 836700 840300 1004040 1008360 1115600 1120400 1255050 1260450 1673400 1680600 2008080 2016720 2510100 2520900 3346800 3361200 5020200 5041800 7811989 10040400 10083600 15623978 23435967 31247956 39059945 46871934 62495912 70307901 78119890 93743868 117179835 124991824 140615802 156239780 187487736 195299725 234359670 281231604 312479560 351539505 374975472 390599450 468719340 562463208 585899175 624959120 703079010 781198900 937438680 1124926416 1171798350 1406158020 1562397800 1757697525 1874877360 2343596700 2812316040 3124795600 3515395050 4687193400 5624632080 7030790100 9374386800 14061580200 28123160400
- Sum of all divisors σ(n): 97665026940
- Sum of proper divisors (its aliquot sum) s(n): 69541866540
- 28123160400 is an abundant number, because the sum of its proper divisors (69541866540) is greater than itself. Its abundance is 41418706140
Bases of 28123160400
- Binary: 110100011000100010101011111010100002
- Hexadecimal: 0x68C455F50
- Base-36: CX3SXG0
Squares and roots of 28123160400
- 28123160400 squared (281231604002) is 790912150884128160000
- 28123160400 cubed (281231604003) is 22242949281623338057836864000000
-
The
square root of 28123160400 is 167699.6135952615 -
The
cube root of 28123160400 is 3041.0346922297
Scales and comparisons
How big is 28123160400?- 28,123,160,400 seconds is equal to 894 years, 11 weeks, 6 days, 13 hours.
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To count from 1 to 28,123,160,400 would take you about one thousand, seven hundred eighty-eight 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 28123160400 cubic inches would be around 253.4 feet tall.
Recreational maths with 28123160400
- 28123160400 backwards is 00406132182
- The number of decimal digits it has is: 11
- The sum of 28123160400's digits is 27
- More coming soon!
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