126629720
126,629,720 is an even composite number composed of five prime numbers multiplied together.
126629720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 126629720:
23 × 5 × 72 × 23 × 532
(2 × 2 × 2 × 5 × 7 × 7 × 23 × 53 × 53)See below for interesting mathematical facts about the number 126629720 from the Numbermatics database.
Names of 126629720
- Cardinal: 126629720 can be written as One hundred twenty-six million, six hundred twenty-nine thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.2662972 × 108
Factors of 126629720
Divisors of 126629720
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 8 10 14 20 23 28 35 40 46 49 53 56 70 92 98 106 115 140 161 184 196 212 230 245 265 280 322 371 392 424 460 490 530 644 742 805 920 980 1060 1127 1219 1288 1484 1610 1855 1960 2120 2254 2438 2597 2809 2968 3220 3710 4508 4876 5194 5618 5635 6095 6440 7420 8533 9016 9752 10388 11236 11270 12190 12985 14045 14840 17066 19663 20776 22472 22540 24380 25970 28090 34132 39326 42665 45080 48760 51940 56180 59731 64607 68264 78652 85330 98315 103880 112360 119462 129214 137641 157304 170660 196630 238924 258428 275282 298655 323035 341320 393260 452249 477848 516856 550564 597310 646070 688205 786520 904498 1101128 1194620 1292140 1376410 1808996 2261245 2389240 2584280 2752820 3165743 3617992 4522490 5505640 6331486 9044980 12662972 15828715 18089960 25325944 31657430 63314860 126629720
- Sum of all divisors σ(n): 352492560
- Sum of proper divisors (its aliquot sum) s(n): 225862840
- 126629720 is an abundant number, because the sum of its proper divisors (225862840) is greater than itself. Its abundance is 99233120
Bases of 126629720
- Binary: 1111000110000110111010110002
- Hexadecimal: 0x78C3758
- Base-36: 23E448
Squares and roots of 126629720
- 126629720 squared (1266297202) is 16035085987278400
- 126629720 cubed (1266297203) is 2030518448744987354048000
-
The
square root of 126629720 is 11252.9871589725 -
The
cube root of 126629720 is 502.1635843021
Scales and comparisons
How big is 126629720?- 126,629,720 seconds is equal to 4 years, 1 week, 2 days, 14 hours, 55 minutes, 20 seconds.
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To count from 1 to 126,629,720 would take you about six 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 126629720 cubic inches would be around 41.8 feet tall.
Recreational maths with 126629720
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