12890400
12,890,400 is an even composite number composed of five prime numbers multiplied together.
12890400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 12890400:
25 × 3 × 52 × 41 × 131
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 41 × 131)See below for interesting mathematical facts about the number 12890400 from the Numbermatics database.
Names of 12890400
- Cardinal: 12890400 can be written as Twelve million, eight hundred ninety thousand, four hundred.
Scientific notation
- Scientific notation: 1.28904 × 107
Factors of 12890400
Divisors of 12890400
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 41 48 50 60 75 80 82 96 100 120 123 131 150 160 164 200 205 240 246 262 300 328 393 400 410 480 492 524 600 615 655 656 786 800 820 984 1025 1048 1200 1230 1310 1312 1572 1640 1965 1968 2050 2096 2400 2460 2620 3075 3144 3275 3280 3930 3936 4100 4192 4920 5240 5371 6150 6288 6550 6560 7860 8200 9825 9840 10480 10742 12300 12576 13100 15720 16113 16400 19650 19680 20960 21484 24600 26200 26855 31440 32226 32800 39300 42968 49200 52400 53710 62880 64452 78600 80565 85936 98400 104800 107420 128904 134275 157200 161130 171872 214840 257808 268550 314400 322260 402825 429680 515616 537100 644520 805650 859360 1074200 1289040 1611300 2148400 2578080 3222600 4296800 6445200 12890400
- Sum of all divisors σ(n): 43309728
- Sum of proper divisors (its aliquot sum) s(n): 30419328
- 12890400 is an abundant number, because the sum of its proper divisors (30419328) is greater than itself. Its abundance is 17528928
Bases of 12890400
- Binary: 1100010010110001001000002
- Hexadecimal: 0xC4B120
- Base-36: 7OAAO
Squares and roots of 12890400
- 12890400 squared (128904002) is 166162412160000
- 12890400 cubed (128904003) is 2141899957707264000000
-
The
square root of 12890400 is 3590.3203199715 -
The
cube root of 12890400 is 234.4708177113
Scales and comparisons
How big is 12890400?- 12,890,400 seconds is equal to 21 weeks, 2 days, 4 hours, 40 minutes.
-
To count from 1 to 12,890,400 would take you about thirty-one weeks!
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 12890400 cubic inches would be around 19.5 feet tall.
Recreational maths with 12890400
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The information we have on file for 12890400 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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