138439865200
138,439,865,200 is an even composite number composed of five prime numbers multiplied together.
138439865200 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 138439865200:
24 × 52 × 7 × 132 × 292561
(2 × 2 × 2 × 2 × 5 × 5 × 7 × 13 × 13 × 292561)See below for interesting mathematical facts about the number 138439865200 from the Numbermatics database.
Names of 138439865200
- Cardinal: 138439865200 can be written as One hundred thirty-eight billion, four hundred thirty-nine million, eight hundred sixty-five thousand, two hundred.
Scientific notation
- Scientific notation: 1.384398652 × 1011
Factors of 138439865200
Divisors of 138439865200
- Number of divisors d(n): 180
-
Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 25 26 28 35 40 50 52 56 65 70 80 91 100 104 112 130 140 169 175 182 200 208 260 280 325 338 350 364 400 455 520 560 650 676 700 728 845 910 1040 1183 1300 1352 1400 1456 1690 1820 2275 2366 2600 2704 2800 3380 3640 4225 4550 4732 5200 5915 6760 7280 8450 9100 9464 11830 13520 16900 18200 18928 23660 29575 33800 36400 47320 59150 67600 94640 118300 236600 292561 473200 585122 1170244 1462805 2047927 2340488 2925610 3803293 4095854 4680976 5851220 7314025 7606586 8191708 10239635 11702440 14628050 15213172 16383416 19016465 20479270 23404880 26623051 29256100 30426344 32766832 38032930 40958540 49442809 51198175 53246102 58512200 60852688 76065860 81917080 95082325 98885618 102396350 106492204 117024400 133115255 152131720 163834160 190164650 197771236 204792700 212984408 247214045 266230510 304263440 346099663 380329300 395542472 409585400 425968816 494428090 532461020 665576275 692199326 760658600 791084944 819170800 988856180 1064922040 1236070225 1331152550 1384398652 1521317200 1730498315 1977712360 2129844080 2472140450 2662305100 2768797304 3460996630 3955424720 4944280900 5324610200 5537594608 6921993260 8652491575 9888561800 10649220400 13843986520 17304983150 19777123600 27687973040 34609966300 69219932600 138439865200
- Sum of all divisors σ(n): 411606648048
- Sum of proper divisors (its aliquot sum) s(n): 273166782848
- 138439865200 is an abundant number, because the sum of its proper divisors (273166782848) is greater than itself. Its abundance is 134726917648
Bases of 138439865200
- Binary: 100000001110111010100010110011011100002
- Hexadecimal: 0x203BA8B370
- Base-36: 1RLJIRN4
Squares and roots of 138439865200
- 138439865200 squared (1384398652002) is 19165596276594171040000
- 138439865200 cubed (1384398652003) is 2653282565009318953883343808000000
-
The
square root of 138439865200 is 372075.0800577755 -
The
cube root of 138439865200 is 5173.1339341447
Scales and comparisons
How big is 138439865200?- 138,439,865,200 seconds is equal to 4,401 years, 49 weeks, 6 days, 6 hours, 6 minutes, 40 seconds.
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To count from 1 to 138,439,865,200 would take you about eight thousand, eight hundred three 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 138439865200 cubic inches would be around 431.1 feet tall.
Recreational maths with 138439865200
- 138439865200 backwards is 002568934831
- The number of decimal digits it has is: 12
- The sum of 138439865200's digits is 49
- More coming soon!
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