81229507 is an odd 8-digits composite number following 81229506
and preceding 81229508 . In scientific notation, it is written as 8.1229507 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 81189360 positive integers (up to 81229507) that are relatively prime to 81229507.
81229507 has 4 divisors, whose sum is 81269656
The reverse of 81229507 is 70592218
Previous prime number is 2137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million two hundred twenty-nine thousand five hundred seven
Scientific notation
8.1229507 × 10^7
Engineering notation
8.1229507 × 10^6
Prime Factorization
2137 × 38011
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81229507
Product of the distinct prime numbers
The prime factorization of 81229507 is 2137 × 38011.
Since it has a total of 2 prime factors.
10 , 7 , 74 , 92 , 17 , 690 , 7252 , 7949 , 45869 , 82348 , 90863 , 836418 , 9076633 , 4628463 , 4147334 , 92200666 , 393498179 , 765772722 , 3830562559 , 5850607541
n×2
162459014
n×3
243688521
n×4
324918028
n×5
406147535
n÷2
40614753.5
n÷3
27076502.333333
n÷3
20307376.75
n÷5
16245901.4
n2
6598232807463049
n3
5.3597119802145E+23
n4
4.3536676181482E+31
n5
3.5364627426404E+39
2 √n
9012.7413698608
3 √n
433.08313558192
4 √n
94.935458970085
5 √n
38.189393697588
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81229506
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81229507 can be divided by 4 positive divisors.
The sum of these divisors (counting 81229507) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101110111011011000011
3
Ternary
12122211212221021
4
Quaternary
10311313123003
5
Quinary
131243321012
6
Senary
12021010311
8
Octal
465673303
10
Decimal
81229507
12
Duodecimal
23253997
16
Hexadecimal
4d776c3
20
Vigesimal
157ddf7
36
Base36
1cd137
md5
6c06cca34f70867e3ea1b73c4911c28f
sha1
990999c1024b8f118a37ab218a142ba435bf603b
sha256
28343b2d61442cca5cb69b1283aa586ec63b721468bb6e245cea2c8a1d28a9ef
sha512
0a0883cc01ca13956dbd89b7d0464fd86983f061d1f9279377936630a73c75d284d656a6f17d101409c0421534912f3acb33cf63cc0c130a8eacde751fd0cec2
ripemd-160
7d3f904b6a814d11eba6f58dccd4d3b11746e8ff
Diameter
162459014
Circumference
510380044.89184
Area
2.0728959714601E+16
Volume
2.2450709043199E+24
Surface area
8.2915838858404E+16
Circumference
510380044.89184
Perimeter
324918028
Area
6598232807463049
Diagonal
114875870.46428
Surface area
39589396844778294
Volume
5.3597119802145E+23
Space diagonal
140693633.19777
Perimeter
243688521
Area
2.8571186156735E+15
Altitude
70346816.598886
Surface area
2.8571186156735E+15
Volume
6.3164811440274E+22
Height
38291956.821427