421389072
421,389,072 is an even composite number composed of five prime numbers multiplied together.
421389072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 421389072:
24 × 32 × 13 × 23 × 9787
(2 × 2 × 2 × 2 × 3 × 3 × 13 × 23 × 9787)See below for interesting mathematical facts about the number 421389072 from the Numbermatics database.
Names of 421389072
- Cardinal: 421389072 can be written as Four hundred twenty-one million, three hundred eighty-nine thousand and seventy-two.
Scientific notation
- Scientific notation: 4.21389072 × 108
Factors of 421389072
Divisors of 421389072
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 23 24 26 36 39 46 48 52 69 72 78 92 104 117 138 144 156 184 207 208 234 276 299 312 368 414 468 552 598 624 828 897 936 1104 1196 1656 1794 1872 2392 2691 3312 3588 4784 5382 7176 9787 10764 14352 19574 21528 29361 39148 43056 58722 78296 88083 117444 127231 156592 176166 225101 234888 254462 352332 381693 450202 469776 508924 675303 704664 763386 900404 1017848 1145079 1350606 1409328 1526772 1800808 2025909 2035696 2290158 2701212 2926313 3053544 3601616 4051818 4580316 5402424 5852626 6107088 8103636 8778939 9160632 10804848 11705252 16207272 17557878 18321264 23410504 26336817 32414544 35115756 46821008 52673634 70231512 105347268 140463024 210694536 421389072
- Sum of all divisors σ(n): 1325373504
- Sum of proper divisors (its aliquot sum) s(n): 903984432
- 421389072 is an abundant number, because the sum of its proper divisors (903984432) is greater than itself. Its abundance is 482595360
Bases of 421389072
- Binary: 110010001110111100011000100002
- Hexadecimal: 0x191DE310
- Base-36: 6YVTW0
Squares and roots of 421389072
- 421389072 squared (4213890722) is 177568750001021184
- 421389072 cubed (4213890723) is 74825530779130315778101248
-
The
square root of 421389072 is 20527.7634436877 -
The
cube root of 421389072 is 749.7119320367
Scales and comparisons
How big is 421389072?- 421,389,072 seconds is equal to 13 years, 20 weeks, 5 days, 4 hours, 31 minutes, 12 seconds.
-
To count from 1 to 421,389,072 would take you about twenty 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 421389072 cubic inches would be around 62.5 feet tall.
Recreational maths with 421389072
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