12789920
12,789,920 is an even composite number composed of five prime numbers multiplied together.
12789920 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 12789920:
25 × 5 × 11 × 132 × 43
(2 × 2 × 2 × 2 × 2 × 5 × 11 × 13 × 13 × 43)See below for interesting mathematical facts about the number 12789920 from the Numbermatics database.
Names of 12789920
- Cardinal: 12789920 can be written as Twelve million, seven hundred eighty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.278992 × 107
Factors of 12789920
Divisors of 12789920
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 4 5 8 10 11 13 16 20 22 26 32 40 43 44 52 55 65 80 86 88 104 110 130 143 160 169 172 176 208 215 220 260 286 338 344 352 416 430 440 473 520 559 572 676 688 715 845 860 880 946 1040 1118 1144 1352 1376 1430 1690 1720 1760 1859 1892 2080 2236 2288 2365 2704 2795 2860 3380 3440 3718 3784 4472 4576 4730 5408 5590 5720 6149 6760 6880 7267 7436 7568 8944 9295 9460 11180 11440 12298 13520 14534 14872 15136 17888 18590 18920 22360 22880 24596 27040 29068 29744 30745 36335 37180 37840 44720 49192 58136 59488 61490 72670 74360 75680 79937 89440 98384 116272 122980 145340 148720 159874 196768 232544 245960 290680 297440 319748 399685 491920 581360 639496 799370 983840 1162720 1278992 1598740 2557984 3197480 6394960 12789920
- Sum of all divisors σ(n): 36523872
- Sum of proper divisors (its aliquot sum) s(n): 23733952
- 12789920 is an abundant number, because the sum of its proper divisors (23733952) is greater than itself. Its abundance is 10944032
Bases of 12789920
- Binary: 1100001100101000101000002
- Hexadecimal: 0xC328A0
- Base-36: 7M4RK
Squares and roots of 12789920
- 12789920 squared (127899202) is 163582053606400
- 12789920 cubed (127899203) is 2092201379061567488000
-
The
square root of 12789920 is 3576.2997637221 -
The
cube root of 12789920 is 233.8599985589
Scales and comparisons
How big is 12789920?- 12,789,920 seconds is equal to 21 weeks, 1 day, 45 minutes, 20 seconds.
-
To count from 1 to 12,789,920 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 12789920 cubic inches would be around 19.5 feet tall.
Recreational maths with 12789920
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