161448742
161,448,742 is an even composite number composed of five prime numbers multiplied together.
161448742 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 161448742:
2 × 7 × 133 × 29 × 181
(2 × 7 × 13 × 13 × 13 × 29 × 181)See below for interesting mathematical facts about the number 161448742 from the Numbermatics database.
Names of 161448742
- Cardinal: 161448742 can be written as One hundred sixty-one million, four hundred forty-eight thousand, seven hundred forty-two.
Scientific notation
- Scientific notation: 1.61448742 × 108
Factors of 161448742
Divisors of 161448742
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 7 13 14 26 29 58 91 169 181 182 203 338 362 377 406 754 1183 1267 2197 2353 2366 2534 2639 4394 4706 4901 5249 5278 9802 10498 15379 16471 30589 30758 32942 34307 36743 61178 63713 68237 68614 73486 127426 136474 214123 397657 428246 445991 477659 795314 887081 891982 955318 1774162 2783599 5567198 6209567 11532053 12419134 23064106 80724371 161448742
- Sum of all divisors σ(n): 311875200
- Sum of proper divisors (its aliquot sum) s(n): 150426458
- 161448742 is a deficient number, because the sum of its proper divisors (150426458) is less than itself. Its deficiency is 11022284
Bases of 161448742
- Binary: 10011001111110000011001001102
- Hexadecimal: 0x99F8326
- Base-36: 2O4ENA
Squares and roots of 161448742
- 161448742 squared (1614487422) is 26065696293382564
- 161448742 cubed (1614487423) is 4208273875920677882534488
-
The
square root of 161448742 is 12706.2481480569 -
The
cube root of 161448742 is 544.5171404279
Scales and comparisons
How big is 161448742?- 161,448,742 seconds is equal to 5 years, 6 weeks, 6 days, 14 hours, 52 minutes, 22 seconds.
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To count from 1 to 161,448,742 would take you about seven 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 161448742 cubic inches would be around 45.4 feet tall.
Recreational maths with 161448742
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The information we have on file for 161448742 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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