28999680
28,999,680 is an even composite number composed of four prime numbers multiplied together.
28999680 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 28999680:
215 × 3 × 5 × 59
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 59)See below for interesting mathematical facts about the number 28999680 from the Numbermatics database.
Names of 28999680
- Cardinal: 28999680 can be written as Twenty-eight million, nine hundred ninety-nine thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.899968 × 107
Factors of 28999680
Divisors of 28999680
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 59 60 64 80 96 118 120 128 160 177 192 236 240 256 295 320 354 384 472 480 512 590 640 708 768 885 944 960 1024 1180 1280 1416 1536 1770 1888 1920 2048 2360 2560 2832 3072 3540 3776 3840 4096 4720 5120 5664 6144 7080 7552 7680 8192 9440 10240 11328 12288 14160 15104 15360 16384 18880 20480 22656 24576 28320 30208 30720 32768 37760 40960 45312 49152 56640 60416 61440 75520 81920 90624 98304 113280 120832 122880 151040 163840 181248 226560 241664 245760 302080 362496 453120 483328 491520 604160 724992 906240 966656 1208320 1449984 1812480 1933312 2416640 2899968 3624960 4833280 5799936 7249920 9666560 14499840 28999680
- Sum of all divisors σ(n): 94370400
- Sum of proper divisors (its aliquot sum) s(n): 65370720
- 28999680 is an abundant number, because the sum of its proper divisors (65370720) is greater than itself. Its abundance is 36371040
Bases of 28999680
- Binary: 11011101010000000000000002
- Hexadecimal: 0x1BA8000
- Base-36: H9KAO
Squares and roots of 28999680
- 28999680 squared (289996802) is 840981440102400
- 28999680 cubed (289996803) is 24388192648908767232000
-
The
square root of 28999680 is 5385.1350957985 -
The
cube root of 28999680 is 307.2305525171
Scales and comparisons
How big is 28999680?- 28,999,680 seconds is equal to 47 weeks, 6 days, 15 hours, 28 minutes.
-
To count from 1 to 28,999,680 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 28999680 cubic inches would be around 25.6 feet tall.
Recreational maths with 28999680
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