155428000
155,428,000 is an even composite number composed of five prime numbers multiplied together.
155428000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 155428000:
25 × 53 × 72 × 13 × 61
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 7 × 7 × 13 × 61)See below for interesting mathematical facts about the number 155428000 from the Numbermatics database.
Names of 155428000
- Cardinal: 155428000 can be written as One hundred fifty-five million, four hundred twenty-eight thousand.
Scientific notation
- Scientific notation: 1.55428 × 108
Factors of 155428000
Divisors of 155428000
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 25 26 28 32 35 40 49 50 52 56 61 65 70 80 91 98 100 104 112 122 125 130 140 160 175 182 196 200 208 224 244 245 250 260 280 305 325 350 364 392 400 416 427 455 488 490 500 520 560 610 637 650 700 728 784 793 800 854 875 910 976 980 1000 1040 1120 1220 1225 1274 1300 1400 1456 1525 1568 1586 1625 1708 1750 1820 1952 1960 2000 2080 2135 2275 2440 2450 2548 2600 2800 2912 2989 3050 3172 3185 3250 3416 3500 3640 3920 3965 4000 4270 4550 4880 4900 5096 5200 5551 5600 5978 6100 6125 6344 6370 6500 6832 7000 7280 7625 7840 7930 8540 9100 9760 9800 10192 10400 10675 11102 11375 11956 12200 12250 12688 12740 13000 13664 14000 14560 14945 15250 15860 15925 17080 18200 19600 19825 20384 21350 22204 22750 23912 24400 24500 25376 25480 26000 27755 28000 29890 30500 31720 31850 34160 36400 38857 39200 39650 42700 44408 45500 47824 48800 49000 50960 52000 53375 55510 59780 61000 63440 63700 68320 72800 74725 77714 79300 79625 85400 88816 91000 95648 98000 99125 101920 106750 111020 119560 122000 126880 127400 138775 149450 155428 158600 159250 170800 177632 182000 194285 196000 198250 213500 222040 239120 244000 254800 277550 298900 310856 317200 318500 341600 364000 373625 388570 396500 427000 444080 478240 509600 555100 597800 621712 634400 637000 693875 747250 777140 793000 854000 888160 971425 1110200 1195600 1243424 1274000 1387750 1494500 1554280 1586000 1708000 1942850 2220400 2391200 2548000 2775500 2989000 3108560 3172000 3885700 4440800 4857125 5551000 5978000 6217120 7771400 9714250 11102000 11956000 15542800 19428500 22204000 31085600 38857000 77714000 155428000
- Sum of all divisors σ(n): 486250128
- Sum of proper divisors (its aliquot sum) s(n): 330822128
- 155428000 is an abundant number, because the sum of its proper divisors (330822128) is greater than itself. Its abundance is 175394128
Bases of 155428000
- Binary: 10010100001110100100101000002
- Hexadecimal: 0x943A4A0
- Base-36: 2KJD0G
Squares and roots of 155428000
- 155428000 squared (1554280002) is 24157863184000000
- 155428000 cubed (1554280003) is 3754808358962752000000000
-
The
square root of 155428000 is 12467.0766421001 -
The
cube root of 155428000 is 537.6625071995
Scales and comparisons
How big is 155428000?- 155,428,000 seconds is equal to 4 years, 48 weeks, 6 days, 22 hours, 26 minutes, 40 seconds.
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To count from 1 to 155,428,000 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 155428000 cubic inches would be around 44.8 feet tall.
Recreational maths with 155428000
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