489972420
489,972,420 is an even composite number composed of six prime numbers multiplied together.
489972420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 489972420:
22 × 32 × 5 × 7 × 71 × 5477
(2 × 2 × 3 × 3 × 5 × 7 × 71 × 5477)See below for interesting mathematical facts about the number 489972420 from the Numbermatics database.
Names of 489972420
- Cardinal: 489972420 can be written as Four hundred eighty-nine million, nine hundred seventy-two thousand, four hundred twenty.
Scientific notation
- Scientific notation: 4.8997242 × 108
Factors of 489972420
Divisors of 489972420
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 71 84 90 105 126 140 142 180 210 213 252 284 315 355 420 426 497 630 639 710 852 994 1065 1260 1278 1420 1491 1988 2130 2485 2556 2982 3195 4260 4473 4970 5477 5964 6390 7455 8946 9940 10954 12780 14910 16431 17892 21908 22365 27385 29820 32862 38339 44730 49293 54770 65724 76678 82155 89460 98586 109540 115017 153356 164310 191695 197172 230034 246465 328620 345051 383390 388867 460068 492930 575085 690102 766780 777734 985860 1150170 1166601 1380204 1555468 1725255 1944335 2300340 2333202 2722069 3450510 3499803 3888670 4666404 5444138 5833005 6901020 6999606 7777340 8166207 10888276 11666010 13610345 13999212 16332414 17499015 23332020 24498621 27220690 32664828 34998030 40831035 48997242 54441380 69996060 81662070 97994484 122493105 163324140 244986210 489972420
- Sum of all divisors σ(n): 1722809088
- Sum of proper divisors (its aliquot sum) s(n): 1232836668
- 489972420 is an abundant number, because the sum of its proper divisors (1232836668) is greater than itself. Its abundance is 742864248
Bases of 489972420
- Binary: 111010011010001100010110001002
- Hexadecimal: 0x1D3462C4
- Base-36: 83PT50
Squares and roots of 489972420
- 489972420 squared (4899724202) is 240072972360656400
- 489972420 cubed (4899724203) is 117629135244143929096488000
-
The
square root of 489972420 is 22135.3206437133 -
The
cube root of 489972420 is 788.3587246441
Scales and comparisons
How big is 489972420?- 489,972,420 seconds is equal to 15 years, 30 weeks, 23 hours, 27 minutes.
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To count from 1 to 489,972,420 would take you about twenty-three 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 489972420 cubic inches would be around 65.7 feet tall.
Recreational maths with 489972420
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