81738552 is an even 8-digits composite number following 81738551
and preceding 81738553 . In scientific notation, it is written as 8.1738552 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 23353824 positive integers (up to 81738552) that are relatively prime to 81738552.
81738552 has 32 divisors, whose sum is 233539200
The reverse of 81738552 is 25583718
Previous prime number is 7
Is Prime? no Number parity even Number length 8 Sum of Digits 39 Digital Root 3
Name
eighty-one million seven hundred thirty-eight thousand five hundred fifty-two
Scientific notation
8.1738552 × 10^7
Engineering notation
8.1738552 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 7 × 486539
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
20434638 Product of the distinct prime numbers
The prime factorization of 81738552 is 2 × 2 × 2 × 3 × 7 × 486539.
Since it has a total of 6 prime factors.
10 , 8 , 64 , 2 , 313 , 646 , 4320 , 462 , 46781 , 20141 , 2117 , 676635 , 6375125 , 4121644 , 84130786 , 73238876 , 224226215 , 813158175 , 5492726216 , 709145847
n×2
163477104
n×3
245215656
n×4
326954208
n×5
408692760
n÷2
40869276
n÷3
27246184
n÷3
20434638
n÷5
16347710.4
n2
6681190883056704
n3
5.4611086841666E+23
n4
4.463831161584E+31
n5
3.6486709552035E+39
2 √n9040.937562001
3 √n433.98592690108
4 √n95.083844905436
5 √n38.237138839748
1 , 2 , 3 , 4 , 6 , 7 , 8 , 12 , 14 , 21 , 24 , 28 , 42 , 56 , 84 , 168 , 486539 , 973078 , 1459617 , 1946156 , 2919234 , 3405773 , 3892312 , 5838468 , 6811546 , 10217319 , 11676936 , 13623092 , 20434638 , 27246184 , 40869276 , 81738552
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
-81738551 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 81738552 can be divided by 32 positive divisors.
The sum of these divisors (counting 81738552) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111110011101100111000
3
Ternary
12200210202012210
4
Quaternary
10313303230320
5
Quinary
131411113202
6
Senary
12035535120
8
Octal
467635470
10
Decimal
81738552
12
Duodecimal
2345a4a0
16
Hexadecimal
4df3b38
20
Vigesimal
15ah67c
36
Base36
1cnxvc
md5
85f9aab4005dadd6528be12b346f907a
sha1
f6b170feb050dbab09e63163bf08b1dc65ae3159
sha256
b80e7764d237aeb02802c1ed3db38ed7b735776b42383bb7702d9b365928a3d9
sha512
a1b49e1f8fcf7c240ab151bb3671d21f28818297bf72f071d4e90c232b04f0725360f06fc6e8d528a5ed0922cd8908f0da13391e5c09366dab6df4b899795958
ripemd-160
10634f20ba2be0815255006aadb4548d67ce58aa
Diameter
163477104
Circumference
513578468.95653
Area
2.0989580195442E+16
Volume
2.2875438563511E+24
Surface area
8.3958320781768E+16
Circumference
513578468.95653
Perimeter
326954208
Area
6681190883056704
Diagonal
115595768.80714
Surface area
40087145298340224
Volume
5.4611086841666E+23
Space diagonal
141575325.00111
Perimeter
245215656
Area
2.89304051613E+15
Altitude
70787662.500555
Surface area
2.89304051613E+15
Volume
6.4359783056182E+22
Height
38531922.935713