82142491 is an odd 8-digits composite number following 82142490
and preceding 82142492 . In scientific notation, it is written as 8.2142491 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 77819184 positive integers (up to 82142491) that are relatively prime to 82142491.
82142491 has 4 divisors, whose sum is 86465800
The reverse of 82142491 is 19424128
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-two million one hundred forty-two thousand four hundred ninety-one
Scientific notation
8.2142491 × 10^7
Engineering notation
8.2142491 × 10^6
Prime Factorization
19 × 4323289
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82142491
Product of the distinct prime numbers
The prime factorization of 82142491 is 19 × 4323289.
Since it has a total of 2 prime factors.
9 , 9 , 15 , 100 , 888 , 980 , 9442 , 8150 , 19930 , 57045 , 442797 , 32580 , 7515575 , 6059212 , 79630032 , 19515088 , 277335811 , 388921488 , 7630666485 , 4633498352
n×2
164284982
n×3
246427473
n×4
328569964
n×5
410712455
n÷2
41071245.5
n÷3
27380830.333333
n÷3
20535622.75
n÷5
16428498.2
n2
6747388827685081
n3
5.5424732605162E+23
n4
4.5527255991969E+31
n5
3.739722215575E+39
2 √n
9063.2494724574
3 √n
434.69964909883
4 √n
95.201100164113
5 √n
38.274856733777
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
-82142490
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 82142491 can be divided by 4 positive divisors.
The sum of these divisors (counting 82142491) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111001010110010100011011
3
Ternary
12201120021022111
4
Quaternary
10321112110123
5
Quinary
132012024431
6
Senary
12052333151
8
Octal
471262433
10
Decimal
82142491
12
Duodecimal
236141b7
16
Hexadecimal
4e5651b
20
Vigesimal
15d7g4b
36
Base36
1cwljv
md5
68e36c52785662c6188d8e2150006abd
sha1
ecb3d39c792fe324b9e8724edd14454f0819656e
sha256
1591361c5f8f1a3917d7d0010437fbaffbe7c2854f64a5349810a48be67e797d
sha512
4bca460cb80309a2955437db32752857a049dac6190c0b7b9ce6d4f88cc84829457aef3a9b2edd19c2e76d2affdf5d1805c30b504f368a6136e599dc9486532e
ripemd-160
31f9c4d7875917d1ce2a002b76eeb6aa48f32c98
Diameter
164284982
Circumference
516116492.54633
Area
2.1197547171969E+16
Volume
2.3216257703941E+24
Surface area
8.4790188687877E+16
Circumference
516116492.54633
Perimeter
328569964
Area
6747388827685081
Diagonal
116167024.81931
Surface area
40484332966110486
Volume
5.5424732605162E+23
Space diagonal
142274967.87227
Perimeter
246427473
Area
2.9217050669933E+15
Altitude
71137483.936135
Surface area
2.9217050669933E+15
Volume
6.5318673784269E+22
Height
38722341.606437