1388908664
1,388,908,664 is an even composite number composed of six prime numbers multiplied together.
1388908664 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 1388908664:
23 × 112 × 13 × 19 × 37 × 157
(2 × 2 × 2 × 11 × 11 × 13 × 19 × 37 × 157)See below for interesting mathematical facts about the number 1388908664 from the Numbermatics database.
Names of 1388908664
- Cardinal: 1388908664 can be written as One billion, three hundred eighty-eight million, nine hundred eight thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 1.388908664 × 109
Factors of 1388908664
Divisors of 1388908664
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 8 11 13 19 22 26 37 38 44 52 74 76 88 104 121 143 148 152 157 209 242 247 286 296 314 407 418 481 484 494 572 628 703 814 836 962 968 988 1144 1256 1406 1573 1628 1672 1727 1924 1976 2041 2299 2717 2812 2983 3146 3256 3454 3848 4082 4477 4598 5291 5434 5624 5809 5966 6292 6908 7733 8164 8954 9139 9196 10582 10868 11618 11932 12584 13816 15466 16328 17908 18278 18392 18997 21164 21736 22451 23236 23864 29887 30932 32813 35816 36556 37994 38779 42328 44902 46472 58201 59774 61864 63899 65626 73112 75517 75988 77558 85063 89804 100529 110371 116402 119548 127798 131252 151034 151976 155116 170126 179608 201058 220742 232804 239096 246961 255596 262504 302068 310232 340252 360943 402116 426569 441484 465608 493922 511192 604136 680504 702889 721886 804232 830687 853138 882968 987844 1105819 1214081 1405778 1434823 1443772 1661374 1706276 1975688 2211638 2428162 2811556 2869646 2887544 3322748 3412552 4423276 4692259 4856324 5623112 5739292 6645496 8846552 9137557 9384518 9712648 11478584 13354891 15783053 18275114 18769036 26709782 31566106 36550228 37538072 53419564 63132212 73100456 106839128 126264424 173613583 347227166 694454332 1388908664
- Sum of all divisors σ(n): 3353834400
- Sum of proper divisors (its aliquot sum) s(n): 1964925736
- 1388908664 is an abundant number, because the sum of its proper divisors (1964925736) is greater than itself. Its abundance is 576017072
Bases of 1388908664
- Binary: 10100101100100100010000011110002
- Hexadecimal: 0x52C91078
- Base-36: MYX4S8
Squares and roots of 1388908664
- 1388908664 squared (13889086642) is 1929067276934264896
- 1388908664 cubed (13889086643) is 2679298254372887872525458944
-
The
square root of 1388908664 is 37268.0649350083 -
The
cube root of 1388908664 is 1115.7268786895
Scales and comparisons
How big is 1388908664?- 1,388,908,664 seconds is equal to 44 years, 8 weeks, 3 days, 7 hours, 57 minutes, 44 seconds.
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To count from 1 to 1,388,908,664 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 1388908664 cubic inches would be around 93 feet tall.
Recreational maths with 1388908664
- 1388908664 backwards is 4668098831
- The number of decimal digits it has is: 10
- The sum of 1388908664's digits is 53
- More coming soon!
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