81617274 is an even 8-digits composite number following 81617273
and preceding 81617275 . In scientific notation, it is written as 8.1617274 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 25773552 positive integers (up to 81617274) that are relatively prime to 81617274.
81617274 has 32 divisors, whose sum is 190920000
The reverse of 81617274 is 47271618
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million six hundred seventeen thousand two hundred seventy-four
Scientific notation
8.1617274 × 10^7
Engineering notation
8.1617274 × 10^6
Prime Factorization
2 × 9 × 3 × 19 × 79549
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81617274
Product of the distinct prime numbers
The prime factorization of 81617274 is 2 × 9 × 3 × 19 × 79549.
Since it has a total of 5 prime factors.
8 , 1 , 74 , 82 , 141 , 655 , 4946 , 9402 , 28553 , 27557 , 11832 , 703465 , 5298366 , 8827944 , 23513117 , 45882889 , 10415375 , 457790953 , 9289115133 , 9126862663
n×2
163234548
n×3
244851822
n×4
326469096
n×5
408086370
n÷2
40808637
n÷3
27205758
n÷3
20404318.5
n÷5
16323454.8
n2
6661379415191076
n3
5.4368362894761E+23
n4
4.4373975713131E+31
n5
3.621682934248E+39
2 √n
9034.227913884
3 √n
433.77118124161
4 √n
95.048555559166
5 √n
38.225785376103
1 , 2 , 3 , 6 , 9 , 18 , 19 , 27 , 38 , 54 , 57 , 114 , 171 , 342 , 513 , 1026 , 79549 , 159098 , 238647 , 477294 , 715941 , 1431882 , 1511431 , 2147823 , 3022862 , 4295646 , 4534293 , 9068586 , 13602879 , 27205758 , 40808637 , 81617274
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
-81617273
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 81617274 can be divided by 32 positive divisors.
The sum of these divisors (counting 81617274) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111010110000101111010
3
Ternary
12200120120212000
4
Quaternary
10313112011322
5
Quinary
131343223044
6
Senary
12033201430
8
Octal
467260572
10
Decimal
81617274
12
Duodecimal
23400276
16
Hexadecimal
4dd617a
20
Vigesimal
15a233e
36
Base36
1clcai
md5
60b9852d34d23b098be25297e1f4aa7a
sha1
e4459cb5f10ae3fede29ba74236cdee3d07a3905
sha256
93e4aca3fd79fae96961ad9813e9257737f2df7e8fadd2f44a2a229cfd308a24
sha512
a950190e47a17d888880c2e646caf2694dbbe07a9251973c0d4865d983660d0de417937043e04f017a6441ea5ba4e33307a3adc7d65478d852bd38eb4f0a0a3c
ripemd-160
8e5c49956c2b8951a2dc588a9d1cf163227470f1
Diameter
163234548
Circumference
512816456.80885
Area
2.0927340633539E+16
Volume
2.2773766594385E+24
Surface area
8.3709362534154E+16
Circumference
512816456.80885
Perimeter
326469096
Area
6661379415191076
Diagonal
115424255.81472
Surface area
39968276491146456
Volume
5.4368362894761E+23
Space diagonal
141365265.34327
Perimeter
244851822
Area
2.8844618989011E+15
Altitude
70682632.671635
Surface area
2.8844618989011E+15
Volume
6.4073730141494E+22
Height
38474751.93824