1389121920
1,389,121,920 is an even composite number composed of five prime numbers multiplied together.
1389121920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 1389121920:
27 × 33 × 5 × 19 × 4231
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 19 × 4231)See below for interesting mathematical facts about the number 1389121920 from the Numbermatics database.
Names of 1389121920
- Cardinal: 1389121920 can be written as One billion, three hundred eighty-nine million, one hundred twenty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.38912192 × 109
Factors of 1389121920
Divisors of 1389121920
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 32 36 38 40 45 48 54 57 60 64 72 76 80 90 95 96 108 114 120 128 135 144 152 160 171 180 190 192 216 228 240 270 285 288 304 320 342 360 380 384 432 456 480 513 540 570 576 608 640 684 720 760 855 864 912 960 1026 1080 1140 1152 1216 1368 1440 1520 1710 1728 1824 1920 2052 2160 2280 2432 2565 2736 2880 3040 3420 3456 3648 4104 4231 4320 4560 5130 5472 5760 6080 6840 7296 8208 8462 8640 9120 10260 10944 12160 12693 13680 16416 16924 17280 18240 20520 21155 21888 25386 27360 32832 33848 36480 38079 41040 42310 50772 54720 63465 65664 67696 76158 80389 82080 84620 101544 109440 114237 126930 135392 152316 160778 164160 169240 190395 203088 228474 241167 253860 270784 304632 321556 328320 338480 380790 401945 406176 456948 482334 507720 541568 571185 609264 643112 676960 723501 761580 803890 812352 913896 964668 1015440 1142370 1205835 1218528 1286224 1353920 1447002 1523160 1607780 1624704 1827792 1929336 2030880 2170503 2284740 2411670 2437056 2572448 2707840 2894004 3046320 3215560 3617505 3655584 3858672 4061760 4341006 4569480 4823340 4874112 5144896 5788008 6092640 6431120 7235010 7311168 7717344 8123520 8682012 9138960 9646680 10289792 10852515 11576016 12185280 12862240 14470020 14622336 15434688 17364024 18277920 19293360 21705030 23152032 24370560 25724480 28940040 30869376 34728048 36555840 38586720 43410060 46304064 51448960 57880080 69456096 73111680 77173440 86820120 92608128 115760160 138912192 154346880 173640240 231520320 277824384 347280480 463040640 694560960 1389121920
- Sum of all divisors σ(n): 5179968000
- Sum of proper divisors (its aliquot sum) s(n): 3790846080
- 1389121920 is an abundant number, because the sum of its proper divisors (3790846080) is greater than itself. Its abundance is 2401724160
Bases of 1389121920
- Binary: 10100101100110001010001100000002
- Hexadecimal: 0x52CC5180
- Base-36: MZ1PC0
Squares and roots of 1389121920
- 1389121920 squared (13891219202) is 1929659708624486400
- 1389121920 cubed (13891219203) is 2680532599391087106981888000
-
The
square root of 1389121920 is 37270.9259342989 -
The
cube root of 1389121920 is 1115.7839794623
Scales and comparisons
How big is 1389121920?- 1,389,121,920 seconds is equal to 44 years, 8 weeks, 5 days, 19 hours, 12 minutes.
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To count from 1 to 1,389,121,920 would take you about eighty-eight 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 1389121920 cubic inches would be around 93 feet tall.
Recreational maths with 1389121920
- 1389121920 backwards is 0291219831
- 1389121920 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1389121920's digits is 36
- More coming soon!
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"Number 1389121920 - Facts about the integer". Numbermatics.com. 2024. Web. 6 May 2024.
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Numbermatics. (2024). Number 1389121920 - Facts about the integer. Retrieved 6 May 2024, from https://numbermatics.com/n/1389121920/
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The information we have on file for 1389121920 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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