1388228868
1,388,228,868 is an even composite number composed of four prime numbers multiplied together.
1388228868 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-two divisors.
Prime factorization of 1388228868:
22 × 38 × 132 × 313
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 13 × 13 × 313)See below for interesting mathematical facts about the number 1388228868 from the Numbermatics database.
Names of 1388228868
- Cardinal: 1388228868 can be written as One billion, three hundred eighty-eight million, two hundred twenty-eight thousand, eight hundred sixty-eight.
Scientific notation
- Scientific notation: 1.388228868 × 109
Factors of 1388228868
Divisors of 1388228868
- Number of divisors d(n): 162
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Complete list of divisors:
1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 169 234 243 313 324 338 351 468 486 507 626 676 702 729 939 972 1014 1053 1252 1404 1458 1521 1878 2028 2106 2187 2817 2916 3042 3159 3756 4069 4212 4374 4563 5634 6084 6318 6561 8138 8451 8748 9126 9477 11268 12207 12636 13122 13689 16276 16902 18252 18954 24414 25353 26244 27378 28431 33804 36621 37908 41067 48828 50706 52897 54756 56862 73242 76059 82134 85293 101412 105794 109863 113724 123201 146484 152118 158691 164268 170586 211588 219726 228177 246402 304236 317382 329589 341172 369603 439452 456354 476073 492804 634764 659178 684531 739206 912708 952146 988767 1108809 1318356 1369062 1428219 1478412 1904292 1977534 2053593 2217618 2738124 2856438 2966301 3955068 4107186 4284657 4435236 5712876 5932602 8214372 8569314 8898903 11865204 12853971 17138628 17797806 25707942 26696709 35595612 38561913 51415884 53393418 77123826 106786836 115685739 154247652 231371478 347057217 462742956 694114434 1388228868
- Sum of all divisors σ(n): 3958384794
- Sum of proper divisors (its aliquot sum) s(n): 2570155926
- 1388228868 is an abundant number, because the sum of its proper divisors (2570155926) is greater than itself. Its abundance is 1181927058
Bases of 1388228868
- Binary: 10100101011111010110001000001002
- Hexadecimal: 0x52BEB104
- Base-36: MYIK90
Squares and roots of 1388228868
- 1388228868 squared (13882288682) is 1927179389948561424
- 1388228868 cubed (13882288683) is 2675366062941222003867988032
-
The
square root of 1388228868 is 37258.9434632815 -
The
cube root of 1388228868 is 1115.5448195747
Scales and comparisons
How big is 1388228868?- 1,388,228,868 seconds is equal to 44 years, 7 weeks, 2 days, 11 hours, 7 minutes, 48 seconds.
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To count from 1 to 1,388,228,868 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 1388228868 cubic inches would be around 93 feet tall.
Recreational maths with 1388228868
- 1388228868 backwards is 8688228831
- 1388228868 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1388228868's digits is 54
- More coming soon!
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The information we have on file for 1388228868 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
Keywords: Divisors of 1388228868, math, Factors of 1388228868, curriculum, school, college, exams, university, Prime factorization of 1388228868, STEM, science, technology, engineering, physics, economics, calculator, one billion, three hundred eighty-eight million, two hundred twenty-eight thousand, eight hundred sixty-eight.