30289920
30,289,920 is an even composite number composed of five prime numbers multiplied together.
30289920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eight divisors.
Prime factorization of 30289920:
212 × 3 × 5 × 17 × 29
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 17 × 29)See below for interesting mathematical facts about the number 30289920 from the Numbermatics database.
Names of 30289920
- Cardinal: 30289920 can be written as Thirty million, two hundred eighty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.028992 × 107
Factors of 30289920
Divisors of 30289920
- Number of divisors d(n): 208
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 17 20 24 29 30 32 34 40 48 51 58 60 64 68 80 85 87 96 102 116 120 128 136 145 160 170 174 192 204 232 240 255 256 272 290 320 340 348 384 408 435 464 480 493 510 512 544 580 640 680 696 768 816 870 928 960 986 1020 1024 1088 1160 1280 1360 1392 1479 1536 1632 1740 1856 1920 1972 2040 2048 2176 2320 2465 2560 2720 2784 2958 3072 3264 3480 3712 3840 3944 4080 4096 4352 4640 4930 5120 5440 5568 5916 6144 6528 6960 7395 7424 7680 7888 8160 8704 9280 9860 10240 10880 11136 11832 12288 13056 13920 14790 14848 15360 15776 16320 17408 18560 19720 20480 21760 22272 23664 26112 27840 29580 29696 30720 31552 32640 34816 37120 39440 43520 44544 47328 52224 55680 59160 59392 61440 63104 65280 69632 74240 78880 87040 89088 94656 104448 111360 118320 118784 126208 130560 148480 157760 174080 178176 189312 208896 222720 236640 252416 261120 296960 315520 348160 356352 378624 445440 473280 504832 522240 593920 631040 757248 890880 946560 1009664 1044480 1262080 1514496 1781760 1893120 2019328 2524160 3028992 3786240 5048320 6057984 7572480 10096640 15144960 30289920
- Sum of all divisors σ(n): 106155360
- Sum of proper divisors (its aliquot sum) s(n): 75865440
- 30289920 is an abundant number, because the sum of its proper divisors (75865440) is greater than itself. Its abundance is 45575520
Bases of 30289920
- Binary: 11100111000110000000000002
- Hexadecimal: 0x1CE3000
- Base-36: I17UO
Squares and roots of 30289920
- 30289920 squared (302899202) is 917479253606400
- 30289920 cubed (302899203) is 27790373193397567488000
-
The
square root of 30289920 is 5503.6278943983 -
The
cube root of 30289920 is 311.7209865889
Scales and comparisons
How big is 30289920?- 30,289,920 seconds is equal to 50 weeks, 13 hours, 52 minutes.
-
To count from 1 to 30,289,920 would take you about twenty-three 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 30289920 cubic inches would be around 26 feet tall.
Recreational maths with 30289920
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