81342632 is an even 8-digits composite number following 81342631
and preceding 81342633 . In scientific notation, it is written as 8.1342632 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors.
There are 34703424 positive integers (up to 81342632) that are relatively prime to 81342632.
81342632 has 32 divisors, whose sum is 175094400
The reverse of 81342632 is 23624318
Previous prime number is 6343
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million three hundred forty-two thousand six hundred thirty-two
Scientific notation
8.1342632 × 10^7
Engineering notation
8.1342632 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 6343 × 229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20335658
Product of the distinct prime numbers
The prime factorization of 81342632 is 2 × 2 × 2 × 7 × 6343 × 229.
Since it has a total of 6 prime factors.
7 , 3 , 35 , 61 , 45 , 518 , 5127 , 7947 , 74281 , 11289 , 758002 , 432376 , 2187144 , 3913709 , 4215020 , 75199754 , 81770523 , 656650376 , 3195524398 , 8081874311
n×2
162685264
n×3
244027896
n×4
325370528
n×5
406713160
n÷2
40671316
n÷3
27114210.666667
n÷3
20335658
n÷5
16268526.4
n2
6616623780687424
n3
5.3821359327491E+23
n4
4.3779710255158E+31
n5
3.561156860352E+39
2 √n
9019.0150238261
3 √n
433.28408802644
4 √n
94.968494901341
5 √n
38.200024737263
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 229 , 458 , 916 , 1603 , 1832 , 3206 , 6343 , 6412 , 12686 , 12824 , 25372 , 44401 , 50744 , 88802 , 177604 , 355208 , 1452547 , 2905094 , 5810188 , 10167829 , 11620376 , 20335658 , 40671316 , 81342632
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81342631
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81342632 can be divided by 32 positive divisors.
The sum of these divisors (counting 81342632) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010011000010101000
3
Ternary
12200001122010002
4
Quaternary
10312103002220
5
Quinary
131310431012
6
Senary
12023242132
8
Octal
466230250
10
Decimal
81342632
12
Duodecimal
232a9348
16
Hexadecimal
4d930a8
20
Vigesimal
1587gbc
36
Base36
1cfgdk
md5
ccf03346b0016e0f744149ccc18b12d5
sha1
b4600e724678532f153b23a181a4d689766d8e1a
sha256
959426d6998d094d3e1394fa0fcd3ead371e40c4e86f299ddddbbccfa77741e1
sha512
5aa2cf40b8c4aec9ac656e8400cea1b5d55bb7ee39a7a0d2d2090043c910b5c6b23cf4be0c380462d489d91f38cfd4a69147b441d2b8799a8ea52f8db6c88d63
ripemd-160
f3af47559a3c578d314107791de6dd7dcceda92e
Diameter
162685264
Circumference
511090830.22972
Area
2.0786736660975E+16
Volume
2.2544638275928E+24
Surface area
8.3146946643901E+16
Circumference
511090830.22972
Perimeter
325370528
Area
6616623780687424
Diagonal
115035853.37352
Surface area
39699742684124544
Volume
5.3821359327491E+23
Space diagonal
140889571.44538
Perimeter
244027896
Area
2.8650821406798E+15
Altitude
70444785.722689
Surface area
2.8650821406798E+15
Volume
6.3429080255244E+22
Height
38345284.457841