30749280
30,749,280 is an even composite number composed of five prime numbers multiplied together.
30749280 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 30749280:
25 × 3 × 5 × 29 × 472
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 29 × 47 × 47)See below for interesting mathematical facts about the number 30749280 from the Numbermatics database.
Names of 30749280
- Cardinal: 30749280 can be written as Thirty million, seven hundred forty-nine thousand, two hundred eighty.
Scientific notation
- Scientific notation: 3.074928 × 107
Factors of 30749280
Divisors of 30749280
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 47 48 58 60 80 87 94 96 116 120 141 145 160 174 188 232 235 240 282 290 348 376 435 464 470 480 564 580 696 705 752 870 928 940 1128 1160 1363 1392 1410 1504 1740 1880 2209 2256 2320 2726 2784 2820 3480 3760 4089 4418 4512 4640 5452 5640 6627 6815 6960 7520 8178 8836 10904 11045 11280 13254 13630 13920 16356 17672 20445 21808 22090 22560 26508 27260 32712 33135 35344 40890 43616 44180 53016 54520 64061 65424 66270 70688 81780 88360 106032 109040 128122 130848 132540 163560 176720 192183 212064 218080 256244 265080 320305 327120 353440 384366 512488 530160 640610 654240 768732 960915 1024976 1060320 1281220 1537464 1921830 2049952 2562440 3074928 3843660 5124880 6149856 7687320 10249760 15374640 30749280
- Sum of all divisors σ(n): 102377520
- Sum of proper divisors (its aliquot sum) s(n): 71628240
- 30749280 is an abundant number, because the sum of its proper divisors (71628240) is greater than itself. Its abundance is 40878960
Bases of 30749280
- Binary: 11101010100110010011000002
- Hexadecimal: 0x1D53260
- Base-36: IB2AO
Squares and roots of 30749280
- 30749280 squared (307492802) is 945518220518400
- 30749280 cubed (307492803) is 29074004507822026752000
-
The
square root of 30749280 is 5545.2033326109 -
The
cube root of 30749280 is 313.2888825831
Scales and comparisons
How big is 30749280?- 30,749,280 seconds is equal to 50 weeks, 5 days, 21 hours, 28 minutes.
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To count from 1 to 30,749,280 would take you about twenty-four weeks!
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 30749280 cubic inches would be around 26.1 feet tall.
Recreational maths with 30749280
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The information we have on file for 30749280 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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