81617963 is an odd 8-digits composite number following 81617962
and preceding 81617964 . In scientific notation, it is written as 8.1617963 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 69594624 positive integers (up to 81617963) that are relatively prime to 81617963.
81617963 has 8 divisors, whose sum is 93762528
The reverse of 81617963 is 36971618
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million six hundred seventeen thousand nine hundred sixty-three
Scientific notation
8.1617963 × 10^7
Engineering notation
8.1617963 × 10^6
Prime Factorization
7 × 193 × 60413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81617963
Product of the distinct prime numbers
The prime factorization of 81617963 is 7 × 193 × 60413.
Since it has a total of 3 prime factors.
10 , 2 , 49 , 33 , 880 , 163 , 372 , 4414 , 29080 , 36989 , 998563 , 636315 , 8916496 , 8628738 , 6891935 , 46832687 , 688864389 , 425612846 , 9627177429 , 2123698315
n×2
163235926
n×3
244853889
n×4
326471852
n×5
408089815
n÷2
40808981.5
n÷3
27205987.666667
n÷3
20404490.75
n÷5
16323592.6
n2
6661491884269369
n3
5.436973981351E+23
n4
4.4375474124187E+31
n5
3.6218358051753E+39
2 √n
9034.2660465585
3 √n
433.7724018472
4 √n
95.048756154715
5 √n
38.225849915081
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81617962
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81617963 can be divided by 8 positive divisors.
The sum of these divisors (counting 81617963) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111010110010000101011
3
Ternary
12200120121210112
4
Quaternary
10313112100223
5
Quinary
131343233323
6
Senary
12033204535
8
Octal
467262053
10
Decimal
81617963
12
Duodecimal
2340074b
16
Hexadecimal
4dd642b
20
Vigesimal
15a24i3
36
Base36
1clctn
md5
fceb051eb266e89b875252f76da63e08
sha1
42e8ccf9cf5ddd76488c9285db16bc18833c17d8
sha256
27fb7d6d9f8b74cf0db81a3a86e3696e5efcda23890681808227b4a941cf264f
sha512
ea2a45aeff370b2e949064250470634933c580c9d844644c39770f44048403836f31aac259c113932e4c56622aee8bc1f372bd0e3ecf43f921bc67351325b023
ripemd-160
af4bd8f3304c7de752c818868a8510c6a6344c28
Diameter
163235926
Circumference
512820785.92353
Area
2.0927693965569E+16
Volume
2.2774343356761E+24
Surface area
8.3710775862275E+16
Circumference
512820785.92353
Perimeter
326471852
Area
6661491884269369
Diagonal
115425230.20787
Surface area
39968951305616214
Volume
5.436973981351E+23
Space diagonal
141366458.72628
Perimeter
244853889
Area
2.8845105994406E+15
Altitude
70683229.363138
Surface area
2.8845105994406E+15
Volume
6.4075352855802E+22
Height
38475076.735955