81617152 is an even 8-digits composite number following 81617151
and preceding 81617153 . In scientific notation, it is written as 8.1617152 × 10^7.
The sum of its digits is 31. It has a total of 9 prime factors and 18 positive divisors.
There are 40808448 positive integers (up to 81617152) that are relatively prime to 81617152.
81617152 has 18 divisors, whose sum is 162915998
The reverse of 81617152 is 25171618
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million six hundred seventeen thousand one hundred fifty-two
Scientific notation
8.1617152 × 10^7
Engineering notation
8.1617152 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 318817
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
9
Total number of prime factors
rad
Radical
637634
Product of the distinct prime numbers
The prime factorization of 81617152 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 318817.
Since it has a total of 9 prime factors.
1 , 10 , 1 , 74 , 636 , 121 , 2705 , 8329 , 91748 , 40097 , 671522 , 950874 , 4960410 , 4905732 , 31455601 , 55460267 , 107331961 , 272670027 , 6132469187 , 2368463383
n×2
163234304
n×3
244851456
n×4
326468608
n×5
408085760
n÷2
40808576
n÷3
27205717.333333
n÷3
20404288
n÷5
16323430.4
n2
6661359500591104
n3
5.4368119088639E+23
n4
4.4373710396115E+31
n5
3.6216558662037E+39
2 √n
9034.2211617826
3 √n
433.77096511044
4 √n
95.048520039938
5 √n
38.225773948256
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 318817 , 637634 , 1275268 , 2550536 , 5101072 , 10202144 , 20404288 , 40808576 , 81617152
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81617151
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81617152 can be divided by 18 positive divisors.
The sum of these divisors (counting 81617152) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100110111010110000100000000
3
Ternary
12200120120200111
4
Quaternary
10313112010000
5
Quinary
131343222102
6
Senary
12033201104
8
Octal
467260400
10
Decimal
81617152
12
Duodecimal
23400194
16
Hexadecimal
4dd6100
20
Vigesimal
15a22hc
36
Base36
1clc74
md5
2ea19fb6ef3389cb70f89b5de1582f41
sha1
42fad8d3cd30462cd8ae737d2db7dc27b6e55057
sha256
9b9d047b2471bb90ec1432310bac0ad44b3471c88d8b5de750b36a9a54610df8
sha512
6f93f6086c437492473671f5f3a9b599052315e66f4cb830744c6505a0b4daa57b859dafc1da237dfd07537d488aabed4b6e5fe372f07da17b9375d05b56f9e8
ripemd-160
34e856d5d55aea3dc6f7adf92596e086f75e3081
Diameter
163234304
Circumference
512815690.26024
Area
2.0927278069978E+16
Volume
2.2773664469115E+24
Surface area
8.370911227991E+16
Circumference
512815690.26024
Perimeter
326468608
Area
6661359500591104
Diagonal
115424083.28067
Surface area
39968157003546624
Volume
5.4368119088639E+23
Space diagonal
141365054.03307
Perimeter
244851456
Area
2.8844532756264E+15
Altitude
70682527.016536
Surface area
2.8844532756264E+15
Volume
6.4073442813224E+22
Height
38474694.426889