82881639 is an odd 8-digits composite number following 82881638
and preceding 82881640 . In scientific notation, it is written as 8.2881639 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 55212000 positive integers (up to 82881639) that are relatively prime to 82881639.
82881639 has 12 divisors, whose sum is 119809872
The reverse of 82881639 is 93618828
Previous prime number is 5351
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-two million eight hundred eighty-one thousand six hundred thirty-nine
Scientific notation
8.2881639 × 10^7
Engineering notation
8.2881639 × 10^6
Prime Factorization
3 × 3 × 5351 × 1721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27627213
Product of the distinct prime numbers
The prime factorization of 82881639 is 3 × 3 × 5351 × 1721.
Since it has a total of 4 prime factors.
3 , 8 , 47 , 90 , 982 , 905 , 8653 , 5985 , 55279 , 59489 , 438067 , 563545 , 4919543 , 728358 , 4463480 , 55835226 , 100127499 , 975418356 , 4401758896 , 3608559498
n×2
165763278
n×3
248644917
n×4
331526556
n×5
414408195
n÷2
41440819.5
n÷3
27627213
n÷3
20720409.75
n÷5
16576327.8
n2
6869366083326321
n3
5.693443198771E+23
n4
4.7188190386754E+31
n5
3.9110345606982E+39
2 √n
9103.9353578549
3 √n
435.99961949017
4 √n
95.414544791949
5 √n
38.343492348528
1 , 3 , 9 , 1721 , 5163 , 5351 , 15489 , 16053 , 48159 , 9209071 , 27627213 , 82881639
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82881638
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82881639 can be divided by 12 positive divisors.
The sum of these divisors (counting 82881639) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111100001010110001100111
3
Ternary
12202221211020100
4
Quaternary
10330022301213
5
Quinary
132204203024
6
Senary
12120235143
8
Octal
474126147
10
Decimal
82881639
12
Duodecimal
2390bab3
16
Hexadecimal
4f0ac67
20
Vigesimal
15i041j
36
Base36
1dcfvr
md5
8e7200dbd51fb4d9b35f58db4847f8a3
sha1
44de354e5b9fa7536d248b65fa60e73b63293d36
sha256
4a28b80677a57905a1b3d994bda73ffecee12a05873fe2a166d403e44aeaadbb
sha512
b28860d66a95ca181690c22fa12eede817850e89667d9a883b51f308230e42b0b3e7eb8af5e2203017f26a515b5ad6bd5122f09c23e52000462467442ff7284e
ripemd-160
6406ba3b2953c80416036c88d39d9b04bf047690
Diameter
165763278
Circumference
520760696.39976
Area
2.1580750022197E+16
Volume
2.3848639102519E+24
Surface area
8.6323000088787E+16
Circumference
520760696.39976
Perimeter
331526556
Area
6869366083326321
Diagonal
117212337.94551
Surface area
41216196499957926
Volume
5.693443198771E+23
Space diagonal
143555209.76258
Perimeter
248644917
Area
2.9745227680279E+15
Altitude
71777604.881291
Surface area
2.9745227680279E+15
Volume
6.709787156919E+22
Height
39070779.31517