81874401 is an odd 8-digits composite number following 81874400
and preceding 81874402 . In scientific notation, it is written as 8.1874401 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 44006976 positive integers (up to 81874401) that are relatively prime to 81874401.
81874401 has 16 divisors, whose sum is 95892096
The reverse of 81874401 is 10447818
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million eight hundred seventy-four thousand four hundred one
Scientific notation
8.1874401 × 10^7
Engineering notation
8.1874401 × 10^6
Prime Factorization
7 × 57 × 157 × 1307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81874401
Product of the distinct prime numbers
The prime factorization of 81874401 is 7 × 57 × 157 × 1307.
Since it has a total of 4 prime factors.
5 , 5 , 23 , 96 , 69 , 848 , 3020 , 943 , 13340 , 34815 , 79004 , 261313 , 8318540 , 2187370 , 47294686 , 96232689 , 663206816 , 576821361 , 3213537538 , 5121918445
n×2
163748802
n×3
245623203
n×4
327497604
n×5
409372005
n÷2
40937200.5
n÷3
27291467
n÷3
20468600.25
n÷5
16374880.2
n2
6703417539108801
n3
5.4883829566743E+23
n4
4.4935806703631E+31
n5
3.6790922573116E+39
2 √n
9048.4474358864
3 √n
434.22622119326
4 √n
95.123327506382
5 √n
38.249840379256
1 , 7 , 57 , 157 , 399 , 1099 , 1307 , 8949 , 9149 , 62643 , 74499 , 205199 , 521493 , 1436393 , 11696343 , 81874401
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
-81874400
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 81874401 can be divided by 16 positive divisors.
The sum of these divisors (counting 81874401) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000010100110111100001
3
Ternary
12201001122120020
4
Quaternary
10320110313201
5
Quinary
131424440101
6
Senary
12042504053
8
Octal
470246741
10
Decimal
81874401
12
Duodecimal
23505029
16
Hexadecimal
4e14de1
20
Vigesimal
15be601
36
Base36
1cquox
md5
99270b8c38d39935a616742c77f96f5a
sha1
def3665ca56a608b19743e5f232446d3da8a6ebe
sha256
568d92aee9096649ccaf850ed5463683ac2fc4b0655c04ce1a7b5541f72b47a1
sha512
fb1ae7fab61b452d7a005fdce4f52e29afb5715acda41dc34a857d0585e1b1b21a61f2f2d18c57e63668c6fc3d45379de09fa8569be2e5ae342ce1d3189b2705
ripemd-160
d71d903cd2eef61879eb06d981099b3e451d0fea
Diameter
163748802
Circumference
514432033.39733
Area
2.1059407294809E+16
Volume
2.2989684769034E+24
Surface area
8.4237629179237E+16
Circumference
514432033.39733
Perimeter
327497604
Area
6703417539108801
Diagonal
115787888.30537
Surface area
40220505234652806
Volume
5.4883829566743E+23
Space diagonal
141810622.37127
Perimeter
245623203
Area
2.9026649405212E+15
Altitude
70905311.185634
Surface area
2.9026649405212E+15
Volume
6.4681213440218E+22
Height
38595962.768458