81427199 is an odd 8-digits composite number following 81427198
and preceding 81427200 . In scientific notation, it is written as 8.1427199 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 66760056 positive integers (up to 81427199) that are relatively prime to 81427199.
81427199 has 4 divisors, whose sum is 81933120
The reverse of 81427199 is 99172418
Previous prime number is 161
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million four hundred twenty-seven thousand one hundred ninety-nine
Scientific notation
8.1427199 × 10^7
Engineering notation
8.1427199 × 10^6
Prime Factorization
161 × 505759
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81427199
Product of the distinct prime numbers
The prime factorization of 81427199 is 161 × 505759.
Since it has a total of 2 prime factors.
2 , 2 , 55 , 69 , 690 , 224 , 1080 , 9503 , 57817 , 16177 , 939672 , 468368 , 813815 , 9893104 , 69808086 , 47736801 , 19383210 , 388915318 , 9077030759 , 4624598243
n×2
162854398
n×3
244281597
n×4
325708796
n×5
407135995
n÷2
40713599.5
n÷3
27142399.666667
n÷3
20356799.75
n÷5
16285439.8
n2
6630388736985601
n3
5.3989398313389E+23
n4
4.3962054803546E+31
n5
3.5797069849372E+39
2 √n
9023.7020673336
3 √n
433.43418908213
4 √n
94.993168529814
5 √n
38.207964285921
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81427198
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81427199 can be divided by 4 positive divisors.
The sum of these divisors (counting 81427199) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110100111101011111111
3
Ternary
12200012221010012
4
Quaternary
10312213223333
5
Quinary
131321132244
6
Senary
12025133435
8
Octal
466475377
10
Decimal
81427199
12
Duodecimal
2332a27b
16
Hexadecimal
4da7aff
20
Vigesimal
158i7jj
36
Base36
1ch9mn
md5
a14d295e52129373222a827faf2b9e3f
sha1
148a409fb254f22c3794d3ad2c32c40f9a27603c
sha256
7db653a11ad2db4990b0be257e492431fff7323834247f8e6015443da1f59918
sha512
a12b0234686ceb284b403e805f3a71c5f41ba97f64afef2c64d7747375b770d7870ec12769a9a1961fe6d45a65c1a88d18e765fd352bb62654cdfd6f28dcc783
ripemd-160
ba0aa8a4b3b12ca8b66ba2888aa98e475ac08a4e
Diameter
162854398
Circumference
511622180.36159
Area
2.0829980546558E+16
Volume
2.2615026281743E+24
Surface area
8.3319922186234E+16
Circumference
511622180.36159
Perimeter
325708796
Area
6630388736985601
Diagonal
115155449.17185
Surface area
39782332421913606
Volume
5.3989398313389E+23
Space diagonal
141036045.78602
Perimeter
244281597
Area
2.8710425415979E+15
Altitude
70518022.893011
Surface area
2.8710425415979E+15
Volume
6.3627116099298E+22
Height
38385149.723951