81874474 is an even 8-digits composite number following 81874473
and preceding 81874475 . In scientific notation, it is written as 8.1874474 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 36866800 positive integers (up to 81874474) that are relatively prime to 81874474.
81874474 has 16 divisors, whose sum is 135232416
The reverse of 81874474 is 47447818
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-one million eight hundred seventy-four thousand four hundred seventy-four
Scientific notation
8.1874474 × 10^7
Engineering notation
8.1874474 × 10^6
Prime Factorization
2 × 11 × 107 × 34781
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81874474
Product of the distinct prime numbers
The prime factorization of 81874474 is 2 × 11 × 107 × 34781.
Since it has a total of 4 prime factors.
10 , 6 , 43 , 54 , 746 , 762 , 3134 , 9510 , 95471 , 36080 , 554786 , 565634 , 4921622 , 6687894 , 85137778 , 86611697 , 355591493 , 536637946 , 55511522 , 9595568781
n×2
163748948
n×3
245623422
n×4
327497896
n×5
409372370
n÷2
40937237
n÷3
27291491.333333
n÷3
20468618.5
n÷5
16374894.8
n2
6703429492776676
n3
5.4883976371718E+23
n4
4.4935966964628E+31
n5
3.6791086589103E+39
2 √n
9048.4514697267
3 √n
434.22635024664
4 √n
95.123348709593
5 √n
38.249847200038
1 , 2 , 11 , 22 , 107 , 214 , 1177 , 2354 , 34781 , 69562 , 382591 , 765182 , 3721567 , 7443134 , 40937237 , 81874474
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81874473
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81874474 can be divided by 16 positive divisors.
The sum of these divisors (counting 81874474) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000010100111000101010
3
Ternary
12201001122122221
4
Quaternary
10320110320222
5
Quinary
131424440344
6
Senary
12042504254
8
Octal
470247052
10
Decimal
81874474
12
Duodecimal
2350508a
16
Hexadecimal
4e14e2a
20
Vigesimal
15be63e
36
Base36
1cquqy
md5
e7490d26fed3ffed9da52b0a47408bcb
sha1
a15aa9bb260c0450c83edb460adab30ff79e8a1b
sha256
c04faacb70180e04265b59a18495a6143fd8c632f7ffb028f81492a1469821b0
sha512
96c4664486748bf136acbfb0410f95f92b4640a50468920a1514bd284c31ce2a5eb5a4cfca18bca413857dd4cfa021f75883efc08a0a1b575712a71e04d2ee1e
ripemd-160
9a6ec720aaccc82d17fc614905edeaaff229567b
Diameter
163748948
Circumference
514432492.06986
Area
2.1059444848364E+16
Volume
2.2989746262558E+24
Surface area
8.4237779393457E+16
Circumference
514432492.06986
Perimeter
327497896
Area
6703429492776676
Diagonal
115787991.54296
Surface area
40220576956660056
Volume
5.4883976371718E+23
Space diagonal
141810748.81098
Perimeter
245623422
Area
2.9026701166112E+15
Altitude
70905374.405489
Surface area
2.9026701166112E+15
Volume
6.468138645154E+22
Height
38595997.180988