1388994320
1,388,994,320 is an even composite number composed of five prime numbers multiplied together.
1388994320 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 1388994320:
24 × 5 × 7 × 532 × 883
(2 × 2 × 2 × 2 × 5 × 7 × 53 × 53 × 883)See below for interesting mathematical facts about the number 1388994320 from the Numbermatics database.
Names of 1388994320
- Cardinal: 1388994320 can be written as One billion, three hundred eighty-eight million, nine hundred ninety-four thousand, three hundred twenty.
Scientific notation
- Scientific notation: 1.38899432 × 109
Factors of 1388994320
Divisors of 1388994320
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 35 40 53 56 70 80 106 112 140 212 265 280 371 424 530 560 742 848 883 1060 1484 1766 1855 2120 2809 2968 3532 3710 4240 4415 5618 5936 6181 7064 7420 8830 11236 12362 14045 14128 14840 17660 19663 22472 24724 28090 29680 30905 35320 39326 44944 46799 49448 56180 61810 70640 78652 93598 98315 98896 112360 123620 157304 187196 196630 224720 233995 247240 314608 327593 374392 393260 467990 494480 655186 748784 786520 935980 1310372 1573040 1637965 1871960 2480347 2620744 3275930 3743920 4960694 5241488 6551860 9921388 12401735 13103720 17362429 19842776 24803470 26207440 34724858 39685552 49606940 69449716 86812145 99213880 138899432 173624290 198427760 277798864 347248580 694497160 1388994320
- Sum of all divisors σ(n): 3765967296
- Sum of proper divisors (its aliquot sum) s(n): 2376972976
- 1388994320 is an abundant number, because the sum of its proper divisors (2376972976) is greater than itself. Its abundance is 987978656
Bases of 1388994320
- Binary: 10100101100101001011111000100002
- Hexadecimal: 0x52CA5F10
- Base-36: MYYYVK
Squares and roots of 1388994320
- 1388994320 squared (13889943202) is 1929305220992262400
- 1388994320 cubed (13889943203) is 2679793993504597237549568000
-
The
square root of 1388994320 is 37269.2141049419 -
The
cube root of 1388994320 is 1115.7498143799
Scales and comparisons
How big is 1388994320?- 1,388,994,320 seconds is equal to 44 years, 8 weeks, 4 days, 7 hours, 45 minutes, 20 seconds.
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To count from 1 to 1,388,994,320 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 1388994320 cubic inches would be around 93 feet tall.
Recreational maths with 1388994320
- 1388994320 backwards is 0234998831
- The number of decimal digits it has is: 10
- The sum of 1388994320's digits is 47
- More coming soon!
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