12921689040
12,921,689,040 is an even composite number composed of six prime numbers multiplied together.
12921689040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 12921689040:
24 × 3 × 5 × 13 × 1327 × 3121
(2 × 2 × 2 × 2 × 3 × 5 × 13 × 1327 × 3121)See below for interesting mathematical facts about the number 12921689040 from the Numbermatics database.
Names of 12921689040
- Cardinal: 12921689040 can be written as Twelve billion, nine hundred twenty-one million, six hundred eighty-nine thousand and forty.
Scientific notation
- Scientific notation: 1.292168904 × 1010
Factors of 12921689040
Divisors of 12921689040
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1040 1327 1560 2654 3120 3121 3981 5308 6242 6635 7962 9363 10616 12484 13270 15605 15924 17251 18726 19905 21232 24968 26540 31210 31848 34502 37452 39810 40573 46815 49936 51753 53080 62420 63696 69004 74904 79620 81146 86255 93630 103506 106160 121719 124840 138008 149808 159240 162292 172510 187260 202865 207012 243438 249680 258765 276016 318480 324584 345020 374520 405730 414024 486876 517530 608595 649168 690040 749040 811460 828048 973752 1035060 1217190 1380080 1622920 1947504 2070120 2434380 3245840 4140240 4141567 4868760 8283134 9737520 12424701 16566268 20707835 24849402 33132536 41415670 49698804 53840371 62123505 66265072 82831340 99397608 107680742 124247010 161521113 165662680 198795216 215361484 248494020 269201855 323042226 331325360 430722968 496988040 538403710 646084452 807605565 861445936 993976080 1076807420 1292168904 1615211130 2153614840 2584337808 3230422260 4307229680 6460844520 12921689040
- Sum of all divisors σ(n): 43184902656
- Sum of proper divisors (its aliquot sum) s(n): 30263213616
- 12921689040 is an abundant number, because the sum of its proper divisors (30263213616) is greater than itself. Its abundance is 17341524576
Bases of 12921689040
- Binary: 11000000100011000101010011110100002
- Hexadecimal: 0x3023153D0
- Base-36: 5XP8N2O
Squares and roots of 12921689040
- 12921689040 squared (129216890402) is 166970047646456121600
- 12921689040 cubed (129216890403) is 2157535034681489861319627264000
-
The
square root of 12921689040 is 113673.6074909211 -
The
cube root of 12921689040 is 2346.6037580343
Scales and comparisons
How big is 12921689040?- 12,921,689,040 seconds is equal to 410 years, 45 weeks, 1 day, 14 hours, 4 minutes.
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To count from 1 to 12,921,689,040 would take you about eight hundred twenty-one 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 12921689040 cubic inches would be around 195.6 feet tall.
Recreational maths with 12921689040
- 12921689040 backwards is 04098612921
- The number of decimal digits it has is: 11
- The sum of 12921689040's digits is 42
- More coming soon!
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