129421387920
129,421,387,920 is an even composite number composed of seven prime numbers multiplied together.
129421387920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 129421387920:
24 × 3 × 5 × 11 × 29 × 197 × 8581
(2 × 2 × 2 × 2 × 3 × 5 × 11 × 29 × 197 × 8581)See below for interesting mathematical facts about the number 129421387920 from the Numbermatics database.
Names of 129421387920
- Cardinal: 129421387920 can be written as One hundred twenty-nine billion, four hundred twenty-one million, three hundred eighty-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.2942138792 × 1011
Factors of 129421387920
Divisors of 129421387920
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 29 30 33 40 44 48 55 58 60 66 80 87 88 110 116 120 132 145 165 174 176 197 220 232 240 264 290 319 330 348 394 435 440 464 528 580 591 638 660 696 788 870 880 957 985 1160 1182 1276 1320 1392 1576 1595 1740 1914 1970 2167 2320 2364 2552 2640 2955 3152 3190 3480 3828 3940 4334 4728 4785 5104 5713 5910 6380 6501 6960 7656 7880 8581 8668 9456 9570 10835 11426 11820 12760 13002 15312 15760 17139 17162 17336 19140 21670 22852 23640 25520 25743 26004 28565 32505 34278 34324 34672 38280 42905 43340 45704 47280 51486 52008 57130 62843 65010 68556 68648 76560 85695 85810 86680 91408 94391 102972 104016 114260 125686 128715 130020 137112 137296 171390 171620 173360 188529 188782 205944 228520 248849 251372 257430 260040 274224 283173 314215 342780 343240 377058 377564 411888 457040 471955 497698 502744 514860 520080 566346 628430 685560 686480 746547 754116 755128 942645 943910 995396 1005488 1029720 1132692 1244245 1256860 1371120 1415865 1493094 1508232 1510256 1690457 1885290 1887820 1990792 2059440 2265384 2488490 2513720 2737339 2831730 2986188 3016464 3380914 3732735 3770580 3775640 3981584 4530768 4976980 5027440 5071371 5474678 5663460 5972376 6761828 7465470 7541160 7551280 8212017 8452285 9953960 10142742 10949356 11326920 11944752 13523656 13686695 14930940 15082320 16424034 16904570 18595027 19907920 20285484 21898712 22653840 25356855 27047312 27373390 29861880 32848068 33809140 37190054 40570968 41060085 43797424 49023253 50713710 54746780 55785081 59723760 65696136 67618280 74380108 81141936 82120170 92975135 98046506 101427420 109493560 111570162 131392272 135236560 147069759 148760216 164240340 185950270 196093012 202854840 218987120 223140324 245116265 278925405 294139518 297520432 328480680 371900540 392186024 405709680 446280648 490232530 539255783 557850810 588279036 656961360 735348795 743801080 784372048 892561296 980465060 1078511566 1115701620 1176558072 1470697590 1487602160 1617767349 1960930120 2157023132 2231403240 2353116144 2696278915 2941395180 3235534698 3921860240 4314046264 4462806480 5392557830 5882790360 6471069396 8088836745 8628092528 10785115660 11765580720 12942138792 16177673490 21570231320 25884277584 32355346980 43140462640 64710693960 129421387920
- Sum of all divisors σ(n): 455123370240
- Sum of proper divisors (its aliquot sum) s(n): 325701982320
- 129421387920 is an abundant number, because the sum of its proper divisors (325701982320) is greater than itself. Its abundance is 196280594400
Bases of 129421387920
- Binary: 11110001000100001110110101000100100002
- Hexadecimal: 0x1E221DA890
- Base-36: 1NGE5I1C
Squares and roots of 129421387920
- 129421387920 squared (1294213879202) is 16749895651139121926400
- 129421387920 cubed (1294213879203) is 2167794742685597288724792089088000
-
The
square root of 129421387920 is 359751.8421356589 -
The
cube root of 129421387920 is 5058.2701195565
Scales and comparisons
How big is 129421387920?- 129,421,387,920 seconds is equal to 4,115 years, 10 weeks, 2 days, 17 hours, 32 minutes.
-
To count from 1 to 129,421,387,920 would take you about eight thousand, two hundred thirty 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 129421387920 cubic inches would be around 421.5 feet tall.
Recreational maths with 129421387920
- 129421387920 backwards is 029783124921
- 129421387920 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 129421387920's digits is 48
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 129421387920 - Facts about the integer". Numbermatics.com. 2024. Web. 2 May 2024.
APA style:
Numbermatics. (2024). Number 129421387920 - Facts about the integer. Retrieved 2 May 2024, from https://numbermatics.com/n/129421387920/
Chicago style:
Numbermatics. 2024. "Number 129421387920 - Facts about the integer". https://numbermatics.com/n/129421387920/
The information we have on file for 129421387920 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!
Keywords: Divisors of 129421387920, math, Factors of 129421387920, curriculum, school, college, exams, university, Prime factorization of 129421387920, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-nine billion, four hundred twenty-one million, three hundred eighty-seven thousand, nine hundred twenty.