1290121920
1,290,121,920 is an even composite number composed of five prime numbers multiplied together.
1290121920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 1290121920:
26 × 32 × 5 × 37 × 12107
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 37 × 12107)See below for interesting mathematical facts about the number 1290121920 from the Numbermatics database.
Names of 1290121920
- Cardinal: 1290121920 can be written as One billion, two hundred ninety million, one hundred twenty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.29012192 × 109
Factors of 1290121920
Divisors of 1290121920
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 37 40 45 48 60 64 72 74 80 90 96 111 120 144 148 160 180 185 192 222 240 288 296 320 333 360 370 444 480 555 576 592 666 720 740 888 960 1110 1184 1332 1440 1480 1665 1776 2220 2368 2664 2880 2960 3330 3552 4440 5328 5920 6660 7104 8880 10656 11840 12107 13320 17760 21312 24214 26640 35520 36321 48428 53280 60535 72642 96856 106560 108963 121070 145284 181605 193712 217926 242140 290568 363210 387424 435852 447959 484280 544815 581136 726420 774848 871704 895918 968560 1089630 1162272 1343877 1452840 1743408 1791836 1937120 2179260 2239795 2324544 2687754 2905680 3486816 3583672 3874240 4031631 4358520 4479590 5375508 5811360 6719385 6973632 7167344 8063262 8717040 8959180 10751016 11622720 13438770 14334688 16126524 17434080 17918360 20158155 21502032 26877540 28669376 32253048 34868160 35836720 40316310 43004064 53755080 64506096 71673440 80632620 86008128 107510160 129012192 143346880 161265240 215020320 258024384 322530480 430040640 645060960 1290121920
- Sum of all divisors σ(n): 4557790224
- Sum of proper divisors (its aliquot sum) s(n): 3267668304
- 1290121920 is an abundant number, because the sum of its proper divisors (3267668304) is greater than itself. Its abundance is 1977546384
Bases of 1290121920
- Binary: 10011001110010110110010110000002
- Hexadecimal: 0x4CE5B2C0
- Base-36: LC3SG0
Squares and roots of 1290121920
- 1290121920 squared (12901219202) is 1664414568464486400
- 1290121920 cubed (12901219203) is 2147297718743374646181888000
-
The
square root of 1290121920 is 35918.2672187843 -
The
cube root of 1290121920 is 1088.6215270897
Scales and comparisons
How big is 1290121920?- 1,290,121,920 seconds is equal to 41 years, 1 week, 23 hours, 12 minutes.
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To count from 1 to 1,290,121,920 would take you about eighty-two 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 1290121920 cubic inches would be around 90.7 feet tall.
Recreational maths with 1290121920
- 1290121920 backwards is 0291210921
- The number of decimal digits it has is: 10
- The sum of 1290121920's digits is 27
- More coming soon!
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"Number 1290121920 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.
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The information we have on file for 1290121920 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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