1390721920
1,390,721,920 is an even composite number composed of five prime numbers multiplied together.
1390721920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 1390721920:
27 × 5 × 72 × 61 × 727
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 61 × 727)See below for interesting mathematical facts about the number 1390721920 from the Numbermatics database.
Names of 1390721920
- Cardinal: 1390721920 can be written as One billion, three hundred ninety million, seven hundred twenty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.39072192 × 109
Factors of 1390721920
Divisors of 1390721920
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 61 64 70 80 98 112 122 128 140 160 196 224 244 245 280 305 320 392 427 448 488 490 560 610 640 727 784 854 896 976 980 1120 1220 1454 1568 1708 1952 1960 2135 2240 2440 2908 2989 3136 3416 3635 3904 3920 4270 4480 4880 5089 5816 5978 6272 6832 7270 7808 7840 8540 9760 10178 11632 11956 13664 14540 14945 15680 17080 19520 20356 23264 23912 25445 27328 29080 29890 31360 34160 35623 39040 40712 44347 46528 47824 50890 54656 58160 59780 68320 71246 81424 88694 93056 95648 101780 116320 119560 136640 142492 162848 177388 178115 191296 203560 221735 232640 239120 273280 284984 310429 325696 354776 356230 382592 407120 443470 465280 478240 569968 620858 651392 709552 712460 814240 886940 956480 1139936 1241716 1419104 1424920 1552145 1628480 1773880 1912960 2173003 2279872 2483432 2838208 2849840 3104290 3256960 3547760 4346006 4559744 4966864 5676416 5699680 6208580 7095520 8692012 9933728 10865015 11399360 12417160 14191040 17384024 19867456 21730030 22798720 24834320 28382080 34768048 39734912 43460060 49668640 69536096 86920120 99337280 139072192 173840240 198674560 278144384 347680480 695360960 1390721920
- Sum of all divisors σ(n): 3936310560
- Sum of proper divisors (its aliquot sum) s(n): 2545588640
- 1390721920 is an abundant number, because the sum of its proper divisors (2545588640) is greater than itself. Its abundance is 1154866720
Bases of 1390721920
- Binary: 10100101110010010111011100000002
- Hexadecimal: 0x52E4BB80
- Base-36: MZZZWG
Squares and roots of 1390721920
- 1390721920 squared (13907219202) is 1934107458768486400
- 1390721920 cubed (13907219203) is 2689805638544830241701888000
-
The
square root of 1390721920 is 37292.3842091117 -
The
cube root of 1390721920 is 1116.2122042657
Scales and comparisons
How big is 1390721920?- 1,390,721,920 seconds is equal to 44 years, 11 weeks, 3 days, 7 hours, 38 minutes, 40 seconds.
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To count from 1 to 1,390,721,920 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 1390721920 cubic inches would be around 93 feet tall.
Recreational maths with 1390721920
- 1390721920 backwards is 0291270931
- The number of decimal digits it has is: 10
- The sum of 1390721920's digits is 34
- More coming soon!
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The information we have on file for 1390721920 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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