12189420720
12,189,420,720 is an even composite number composed of five prime numbers multiplied together.
12189420720 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 12189420720:
24 × 32 × 5 × 31 × 7392
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 31 × 739 × 739)See below for interesting mathematical facts about the number 12189420720 from the Numbermatics database.
Names of 12189420720
- Cardinal: 12189420720 can be written as Twelve billion, one hundred eighty-nine million, four hundred twenty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.218942072 × 1010
Factors of 12189420720
Divisors of 12189420720
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 36 40 45 48 60 62 72 80 90 93 120 124 144 155 180 186 240 248 279 310 360 372 465 496 558 620 720 739 744 930 1116 1240 1395 1478 1488 1860 2217 2232 2480 2790 2956 3695 3720 4434 4464 5580 5912 6651 7390 7440 8868 11085 11160 11824 13302 14780 17736 22170 22320 22909 26604 29560 33255 35472 44340 45818 53208 59120 66510 68727 88680 91636 106416 114545 133020 137454 177360 183272 206181 229090 266040 274908 343635 366544 412362 458180 532080 546121 549816 687270 824724 916360 1030905 1092242 1099632 1374540 1638363 1649448 1832720 2061810 2184484 2730605 2749080 3276726 3298896 4123620 4368968 4915089 5461210 5498160 6553452 8191815 8247240 8737936 9830178 10922420 13106904 16383630 16494480 16929751 19660356 21844840 24575445 26213808 32767260 33859502 39320712 43689680 49150890 50789253 65534520 67719004 78641424 84648755 98301780 101578506 131069040 135438008 152367759 169297510 196603560 203157012 253946265 270876016 304735518 338595020 393207120 406314024 507892530 609471036 677190040 761838795 812628048 1015785060 1218942072 1354380080 1523677590 2031570120 2437884144 3047355180 4063140240 6094710360 12189420720
- Sum of all divisors σ(n): 42313916736
- Sum of proper divisors (its aliquot sum) s(n): 30124496016
- 12189420720 is an abundant number, because the sum of its proper divisors (30124496016) is greater than itself. Its abundance is 17935075296
Bases of 12189420720
- Binary: 10110101101000101111001100101100002
- Hexadecimal: 0x2D68BCCB0
- Base-36: 5LL9L80
Squares and roots of 12189420720
- 12189420720 squared (121894207202) is 148581977489165318400
- 12189420720 cubed (121894207203) is 1811128235025005307610357248000
-
The
square root of 12189420720 is 110405.7096349641 -
The
cube root of 12189420720 is 2301.4119068787
Scales and comparisons
How big is 12189420720?- 12,189,420,720 seconds is equal to 387 years, 30 weeks, 3 days, 6 hours, 12 minutes.
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To count from 1 to 12,189,420,720 would take you about seven hundred seventy-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 12189420720 cubic inches would be around 191.8 feet tall.
Recreational maths with 12189420720
- 12189420720 backwards is 02702498121
- 12189420720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12189420720's digits is 36
- More coming soon!
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