1389321420
1,389,321,420 is an even composite number composed of six prime numbers multiplied together.
1389321420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 1389321420:
22 × 3 × 5 × 19 × 31 × 39313
(2 × 2 × 3 × 5 × 19 × 31 × 39313)See below for interesting mathematical facts about the number 1389321420 from the Numbermatics database.
Names of 1389321420
- Cardinal: 1389321420 can be written as One billion, three hundred eighty-nine million, three hundred twenty-one thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.38932142 × 109
Factors of 1389321420
Divisors of 1389321420
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 19 20 30 31 38 57 60 62 76 93 95 114 124 155 186 190 228 285 310 372 380 465 570 589 620 930 1140 1178 1767 1860 2356 2945 3534 5890 7068 8835 11780 17670 35340 39313 78626 117939 157252 196565 235878 393130 471756 589695 746947 786260 1179390 1218703 1493894 2240841 2358780 2437406 2987788 3656109 3734735 4481682 4874812 6093515 7312218 7469470 8963364 11204205 12187030 14624436 14938940 18280545 22408410 23155357 24374060 36561090 44816820 46310714 69466071 73122180 92621428 115776785 138932142 231553570 277864284 347330355 463107140 694660710 1389321420
- Sum of all divisors σ(n): 4227041280
- Sum of proper divisors (its aliquot sum) s(n): 2837719860
- 1389321420 is an abundant number, because the sum of its proper divisors (2837719860) is greater than itself. Its abundance is 1448398440
Bases of 1389321420
- Binary: 10100101100111101011100110011002
- Hexadecimal: 0x52CF5CCC
- Base-36: MZ5Z9O
Squares and roots of 1389321420
- 1389321420 squared (13893214202) is 1930214008070816400
- 1389321420 cubed (13893214203) is 2681687666596838101407288000
-
The
square root of 1389321420 is 37273.6021870707 -
The
cube root of 1389321420 is 1115.8373916805
Scales and comparisons
How big is 1389321420?- 1,389,321,420 seconds is equal to 44 years, 9 weeks, 1 day, 2 hours, 37 minutes.
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To count from 1 to 1,389,321,420 would take you about eighty-eight 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 1389321420 cubic inches would be around 93 feet tall.
Recreational maths with 1389321420
- 1389321420 backwards is 0241239831
- The number of decimal digits it has is: 10
- The sum of 1389321420's digits is 33
- More coming soon!
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