28126507990
28,126,507,990 is an even composite number composed of eight prime numbers multiplied together.
28126507990 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 28126507990:
2 × 5 × 7 × 17 × 41 × 53 × 73 × 149
See below for interesting mathematical facts about the number 28126507990 from the Numbermatics database.
Names of 28126507990
- Cardinal: 28126507990 can be written as Twenty-eight billion, one hundred twenty-six million, five hundred seven thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.812650799 × 1010
Factors of 28126507990
Divisors of 28126507990
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 5 7 10 14 17 34 35 41 53 70 73 82 85 106 119 146 149 170 205 238 265 287 298 365 371 410 511 530 574 595 697 730 742 745 901 1022 1043 1190 1241 1394 1435 1490 1802 1855 2086 2173 2482 2533 2555 2870 2993 3485 3710 3869 4346 4505 4879 5066 5110 5215 5986 6109 6205 6307 6970 7738 7897 8687 9010 9758 10430 10865 10877 12218 12410 12614 12665 14965 15211 15794 17374 17731 19345 20951 21730 21754 24395 25330 27083 29930 30422 30545 31535 35462 36941 38690 39485 41902 42763 43435 48790 50881 54166 54385 55279 61090 63070 65773 73882 76055 76139 78970 85526 86870 88655 101762 103853 104755 108770 110558 131546 134249 135415 152110 152278 158629 177310 184705 184909 207706 209510 213815 254405 258587 268498 270830 276395 317258 323777 328865 356167 369410 369818 380695 427630 445957 460411 508810 517174 519265 552790 576481 647554 657730 671245 712334 726971 761390 793145 891914 920822 924545 939743 1038530 1110403 1152962 1292935 1294363 1342490 1453942 1586290 1618885 1780835 1849090 1879486 2220806 2229785 2266439 2302055 2585870 2588726 2696693 2882405 3121699 3237770 3561670 3634855 4035367 4459570 4532878 4604110 4698715 5393386 5504209 5552015 5764810 6243398 6471815 7269710 7581269 8070734 9397430 9800177 11008418 11104030 11332195 12943630 13483465 15162538 15608495 18876851 19600354 20176835 22664390 23635721 26966930 27521045 31216990 37753702 37906345 38529463 40353670 47271442 49000885 53068883 55042090 68601239 75812690 77058926 94384255 98001770 106137766 118178605 137202478 165450047 188768510 192647315 236357210 265344415 330900094 343006195 385294630 401807257 530688830 686012390 803614514 827250235 1654500470 2009036285 2812650799 4018072570 5625301598 14063253995 28126507990
- Sum of all divisors σ(n): 65253081600
- Sum of proper divisors (its aliquot sum) s(n): 37126573610
- 28126507990 is an abundant number, because the sum of its proper divisors (37126573610) is greater than itself. Its abundance is 9000065620
Bases of 28126507990
- Binary: 110100011000111100001110011110101102
- Hexadecimal: 0x68C7873D6
- Base-36: CX5SOGM
Squares and roots of 28126507990
- 28126507990 squared (281265079902) is 791100451711533840100
- 28126507990 cubed (281265079903) is 22250893175957065728728032399000
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The
square root of 28126507990 is 167709.5942097527 -
The
cube root of 28126507990 is 3041.1553488141
Scales and comparisons
How big is 28126507990?- 28,126,507,990 seconds is equal to 894 years, 17 weeks, 3 days, 6 hours, 53 minutes, 10 seconds.
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To count from 1 to 28,126,507,990 would take you about one thousand, seven hundred 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 28126507990 cubic inches would be around 253.4 feet tall.
Recreational maths with 28126507990
- 28126507990 backwards is 09970562182
- The number of decimal digits it has is: 11
- The sum of 28126507990's digits is 49
- More coming soon!
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The information we have on file for 28126507990 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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