81449388000
81,449,388,000 is an even composite number composed of four prime numbers multiplied together.
81449388000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 81449388000:
25 × 34 × 53 × 251387
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 251387)See below for interesting mathematical facts about the number 81449388000 from the Numbermatics database.
Names of 81449388000
- Cardinal: 81449388000 can be written as Eighty-one billion, four hundred forty-nine million, three hundred eighty-eight thousand.
Scientific notation
- Scientific notation: 8.1449388 × 1010
Factors of 81449388000
Divisors of 81449388000
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 72 75 80 81 90 96 100 108 120 125 135 144 150 160 162 180 200 216 225 240 250 270 288 300 324 360 375 400 405 432 450 480 500 540 600 648 675 720 750 800 810 864 900 1000 1080 1125 1200 1296 1350 1440 1500 1620 1800 2000 2025 2160 2250 2400 2592 2700 3000 3240 3375 3600 4000 4050 4320 4500 5400 6000 6480 6750 7200 8100 9000 10125 10800 12000 12960 13500 16200 18000 20250 21600 27000 32400 36000 40500 54000 64800 81000 108000 162000 251387 324000 502774 754161 1005548 1256935 1508322 2011096 2262483 2513870 3016644 3770805 4022192 4524966 5027740 6033288 6284675 6787449 7541610 8044384 9049932 10055480 11312415 12066576 12569350 13574898 15083220 18099864 18854025 20110960 20362347 22624830 24133152 25138700 27149796 30166440 31423375 33937245 36199728 37708050 40221920 40724694 45249660 50277400 54299592 56562075 60332880 62846750 67874490 72399456 75416100 81449388 90499320 94270125 100554800 101811735 108599184 113124150 120665760 125693500 135748980 150832200 162898776 169686225 180998640 188540250 201109600 203623470 217198368 226248300 251387000 271497960 282810375 301664400 325797552 339372450 361997280 377080500 407246940 452496600 502774000 509058675 542995920 565620750 603328800 651595104 678744900 754161000 814493880 848431125 904993200 1005548000 1018117350 1085991840 1131241500 1357489800 1508322000 1628987760 1696862250 1809986400 2036234700 2262483000 2545293375 2714979600 3016644000 3257975520 3393724500 4072469400 4524966000 5090586750 5429959200 6787449000 8144938800 9049932000 10181173500 13574898000 16289877600 20362347000 27149796000 40724694000 81449388000
- Sum of all divisors σ(n): 298947592944
- Sum of proper divisors (its aliquot sum) s(n): 217498204944
- 81449388000 is an abundant number, because the sum of its proper divisors (217498204944) is greater than itself. Its abundance is 136048816944
Bases of 81449388000
- Binary: 10010111101101100001100000111111000002
- Hexadecimal: 0x12F6C307E0
- Base-36: 11F0V200
Squares and roots of 81449388000
- 81449388000 squared (814493880002) is 6634002805574544000000
- 81449388000 cubed (814493880003) is 540335468504329597179072000000000
-
The
square root of 81449388000 is 285393.3916543969 -
The
cube root of 81449388000 is 4334.7355593531
Scales and comparisons
How big is 81449388000?- 81,449,388,000 seconds is equal to 2,589 years, 43 weeks, 4 days, 6 hours.
-
To count from 1 to 81,449,388,000 would take you about five thousand, one hundred seventy-nine 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 81449388000 cubic inches would be around 361.2 feet tall.
Recreational maths with 81449388000
- 81449388000 backwards is 00088394418
- 81449388000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81449388000's digits is 45
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 81449388000 - Facts about the integer". Numbermatics.com. 2024. Web. 18 May 2024.
APA style:
Numbermatics. (2024). Number 81449388000 - Facts about the integer. Retrieved 18 May 2024, from https://numbermatics.com/n/81449388000/
Chicago style:
Numbermatics. 2024. "Number 81449388000 - Facts about the integer". https://numbermatics.com/n/81449388000/
The information we have on file for 81449388000 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 81449388000, math, Factors of 81449388000, curriculum, school, college, exams, university, Prime factorization of 81449388000, STEM, science, technology, engineering, physics, economics, calculator, eighty-one billion, four hundred forty-nine million, three hundred eighty-eight thousand.