121378400
121,378,400 is an even composite number composed of five prime numbers multiplied together.
121378400 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 121378400:
25 × 52 × 11 × 13 × 1061
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 11 × 13 × 1061)See below for interesting mathematical facts about the number 121378400 from the Numbermatics database.
Names of 121378400
- Cardinal: 121378400 can be written as One hundred twenty-one million, three hundred seventy-eight thousand, four hundred.
Scientific notation
- Scientific notation: 1.213784 × 108
Factors of 121378400
Divisors of 121378400
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 4 5 8 10 11 13 16 20 22 25 26 32 40 44 50 52 55 65 80 88 100 104 110 130 143 160 176 200 208 220 260 275 286 325 352 400 416 440 520 550 572 650 715 800 880 1040 1061 1100 1144 1300 1430 1760 2080 2122 2200 2288 2600 2860 3575 4244 4400 4576 5200 5305 5720 7150 8488 8800 10400 10610 11440 11671 13793 14300 16976 21220 22880 23342 26525 27586 28600 33952 42440 46684 53050 55172 57200 58355 68965 84880 93368 106100 110344 114400 116710 137930 151723 169760 186736 212200 220688 233420 275860 291775 303446 344825 373472 424400 441376 466840 551720 583550 606892 689650 758615 848800 933680 1103440 1167100 1213784 1379300 1517230 1867360 2206880 2334200 2427568 2758600 3034460 3793075 4668400 4855136 5517200 6068920 7586150 9336800 11034400 12137840 15172300 24275680 30344600 60689200 121378400
- Sum of all divisors σ(n): 348446448
- Sum of proper divisors (its aliquot sum) s(n): 227068048
- 121378400 is an abundant number, because the sum of its proper divisors (227068048) is greater than itself. Its abundance is 105689648
Bases of 121378400
- Binary: 1110011110000010110011000002
- Hexadecimal: 0x73C1660
- Base-36: 209K68
Squares and roots of 121378400
- 121378400 squared (1213784002) is 14732715986560000
- 121378400 cubed (1213784003) is 1788233494103074304000000
-
The
square root of 121378400 is 11017.1865737129 -
The
cube root of 121378400 is 495.1237999365
Scales and comparisons
How big is 121378400?- 121,378,400 seconds is equal to 3 years, 44 weeks, 4 days, 20 hours, 13 minutes, 20 seconds.
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To count from 1 to 121,378,400 would take you about five 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 121378400 cubic inches would be around 41.3 feet tall.
Recreational maths with 121378400
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