28955520
28,955,520 is an even composite number composed of five prime numbers multiplied together.
28955520 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 28955520:
27 × 32 × 5 × 11 × 457
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 457)See below for interesting mathematical facts about the number 28955520 from the Numbermatics database.
Names of 28955520
- Cardinal: 28955520 can be written as Twenty-eight million, nine hundred fifty-five thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.895552 × 107
Factors of 28955520
Divisors of 28955520
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 128 132 144 160 165 176 180 192 198 220 240 264 288 320 330 352 360 384 396 440 457 480 495 528 576 640 660 704 720 792 880 914 960 990 1056 1152 1320 1371 1408 1440 1584 1760 1828 1920 1980 2112 2285 2640 2742 2880 3168 3520 3656 3960 4113 4224 4570 5027 5280 5484 5760 6336 6855 7040 7312 7920 8226 9140 10054 10560 10968 12672 13710 14624 15081 15840 16452 18280 20108 20565 21120 21936 25135 27420 29248 30162 31680 32904 36560 40216 41130 43872 45243 50270 54840 58496 60324 63360 65808 73120 75405 80432 82260 87744 90486 100540 109680 120648 131616 146240 150810 160864 164520 175488 180972 201080 219360 226215 241296 263232 292480 301620 321728 329040 361944 402160 438720 452430 482592 526464 603240 643456 658080 723888 804320 877440 904860 965184 1206480 1316160 1447776 1608640 1809720 1930368 2412960 2632320 2895552 3217280 3619440 4825920 5791104 7238880 9651840 14477760 28955520
- Sum of all divisors σ(n): 109315440
- Sum of proper divisors (its aliquot sum) s(n): 80359920
- 28955520 is an abundant number, because the sum of its proper divisors (80359920) is greater than itself. Its abundance is 51404400
Bases of 28955520
- Binary: 11011100111010011100000002
- Hexadecimal: 0x1B9D380
- Base-36: H8M80
Squares and roots of 28955520
- 28955520 squared (289555202) is 838422138470400
- 28955520 cubed (289555203) is 24276948998922436608000
-
The
square root of 28955520 is 5381.0333580085 -
The
cube root of 28955520 is 307.0745255805
Scales and comparisons
How big is 28955520?- 28,955,520 seconds is equal to 47 weeks, 6 days, 3 hours, 12 minutes.
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To count from 1 to 28,955,520 would take you about nineteen 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 28955520 cubic inches would be around 25.6 feet tall.
Recreational maths with 28955520
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