1989138788
1,989,138,788 is an even composite number composed of six prime numbers multiplied together.
1989138788 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 1989138788:
22 × 7 × 132 × 17 × 79 × 313
(2 × 2 × 7 × 13 × 13 × 17 × 79 × 313)See below for interesting mathematical facts about the number 1989138788 from the Numbermatics database.
Names of 1989138788
- Cardinal: 1989138788 can be written as One billion, nine hundred eighty-nine million, one hundred thirty-eight thousand, seven hundred eighty-eight.
Scientific notation
- Scientific notation: 1.989138788 × 109
Factors of 1989138788
Divisors of 1989138788
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 7 13 14 17 26 28 34 52 68 79 91 119 158 169 182 221 238 313 316 338 364 442 476 553 626 676 884 1027 1106 1183 1252 1343 1547 2054 2191 2212 2366 2686 2873 3094 4069 4108 4382 4732 5321 5372 5746 6188 7189 8138 8764 9401 10642 11492 13351 14378 16276 17459 18802 20111 21284 24727 26702 28483 28756 34918 37247 37604 40222 49454 52897 53404 56966 69173 69836 74494 80444 93457 98908 105794 113932 122213 138346 148988 173089 186914 211588 226967 244426 276692 321451 346178 370279 373828 420359 453934 484211 488852 642902 692356 740558 840718 899249 907868 968422 1285804 1481116 1588769 1681436 1798498 1936844 2250157 2942513 3177538 3596996 4178863 4500314 5464667 5885026 6294743 6355076 8357726 9000628 10929334 11770052 12589486 16715452 21858668 25178972 29252041 38252669 58504082 71040671 76505338 117008164 142081342 153010676 284162684 497284697 994569394 1989138788
- Sum of all divisors σ(n): 4633735680
- Sum of proper divisors (its aliquot sum) s(n): 2644596892
- 1989138788 is an abundant number, because the sum of its proper divisors (2644596892) is greater than itself. Its abundance is 655458104
Bases of 1989138788
- Binary: 11101101000111111011001011001002
- Hexadecimal: 0x768FD964
- Base-36: WWA5B8
Squares and roots of 1989138788
- 1989138788 squared (19891387882) is 3956673117926108944
- 1989138788 cubed (19891387883) is 7870371970303721418424119872
-
The
square root of 1989138788 is 44599.7621966755 -
The
cube root of 1989138788 is 1257.6361972407
Scales and comparisons
How big is 1989138788?- 1,989,138,788 seconds is equal to 63 years, 12 weeks, 6 days, 10 hours, 33 minutes, 8 seconds.
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To count from 1 to 1,989,138,788 would take you about one hundred twenty-six 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 1989138788 cubic inches would be around 104.8 feet tall.
Recreational maths with 1989138788
- 1989138788 backwards is 8878319891
- The number of decimal digits it has is: 10
- The sum of 1989138788's digits is 62
- More coming soon!
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"Number 1989138788 - Facts about the integer". Numbermatics.com. 2024. Web. 8 June 2024.
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Numbermatics. (2024). Number 1989138788 - Facts about the integer. Retrieved 8 June 2024, from https://numbermatics.com/n/1989138788/
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The information we have on file for 1989138788 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 1989138788, math, Factors of 1989138788, curriculum, school, college, exams, university, Prime factorization of 1989138788, STEM, science, technology, engineering, physics, economics, calculator, one billion, nine hundred eighty-nine million, one hundred thirty-eight thousand, seven hundred eighty-eight.