81474313 is an odd 8-digits prime number following 81474312
and preceding 81474314 . In scientific notation, it is written as 8.1474313 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 81474312 positive integers (up to 81474313) that are relatively prime to 81474313.
81474313 has 2 divisors, whose sum is 81474314
The reverse of 81474313 is 31347418
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million four hundred seventy-four thousand three hundred thirteen
Scientific notation
8.1474313 × 10^7
Engineering notation
8.1474313 × 10^6
Prime Factorization
81474313
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81474313
Product of the distinct prime numbers
The prime factorization of 81474313 is 81474313.
Since it has a total of 1 prime factors.
4 , 1 , 6 , 21 , 993 , 748 , 9742 , 4539 , 35362 , 16178 , 114889 , 910768 , 8113974 , 5491227 , 98363094 , 1375940 , 357096948 , 647944153 , 8240545523 , 4146666834
n×2
162948626
n×3
244422939
n×4
325897252
n×5
407371565
n÷2
40737156.5
n÷3
27158104.333333
n÷3
20368578.25
n÷5
16294862.6
n2
6638063678821969
n3
5.4083167788227E+23
n4
4.4063889404095E+31
n5
3.5900751173067E+39
2 √n
9026.3122591676
3 √n
433.51776836681
4 √n
95.006906376156
5 √n
38.212384709494
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81474314
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40737157
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9026.3123145612
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999754524
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81474313 can be divided by 2 positive divisors.
The sum of these divisors (counting 81474313) is 81474314, the average is 40737157.
Base
System
Value
2
Binary
100110110110011001100001001
3
Ternary
12200022022202011
4
Quaternary
10312303030021
5
Quinary
131324134223
6
Senary
12030135521
8
Octal
466631411
10
Decimal
81474313
12
Duodecimal
233515a1
16
Hexadecimal
4db3309
20
Vigesimal
15945fd
36
Base36
1ci9zd
md5
55a0bf6decd9789b18359ae1ec6df846
sha1
2864ff1b78254471ad018900d0e4e322c10bf45c
sha256
bf6043f40e0c5a3f6700347fb6f9337ae241609b43bef9c8a0007e0721a3317c
sha512
7109812e7b7021e0e51042bb7e652ff580f002a8fd54e235fc3875b016c5e9f2858881454c49f352df4a97b1298c462e6ed8ec5f050eca259d61f5cfc35c2dfd
ripemd-160
a652d82c83232735a38ab687ff25522406b09c46
Diameter
162948626
Circumference
511918206.35415
Area
2.0854092087448E+16
Volume
2.2654304347515E+24
Surface area
8.3416368349793E+16
Circumference
511918206.35415
Perimeter
325897252
Area
6638063678821969
Diagonal
115222078.42963
Surface area
39828382072931814
Volume
5.4083167788227E+23
Space diagonal
141117649.62777
Perimeter
244422939
Area
2.8743658888993E+15
Altitude
70558824.813885
Surface area
2.8743658888993E+15
Volume
6.3737624485176E+22
Height
38407359.476544