82661915 is an odd 8-digits composite number following 82661914
and preceding 82661916 . In scientific notation, it is written as 8.2661915 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 55904256 positive integers (up to 82661915) that are relatively prime to 82661915.
82661915 has 16 divisors, whose sum is 114921408
The reverse of 82661915 is 51916628
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-two million six hundred sixty-one thousand nine hundred fifteen
Scientific notation
8.2661915 × 10^7
Engineering notation
8.2661915 × 10^6
Prime Factorization
7 × 5 × 73 × 32353
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82661915
Product of the distinct prime numbers
The prime factorization of 82661915 is 7 × 5 × 73 × 32353.
Since it has a total of 4 prime factors.
10 , 8 , 34 , 72 , 586 , 834 , 4162 , 7537 , 11937 , 82834 , 988254 , 752205 , 4836437 , 3200241 , 76129445 , 22203650 , 195529528 , 595940347 , 9769445680 , 6943694634
n×2
165323830
n×3
247985745
n×4
330647660
n×5
413309575
n÷2
41330957.5
n÷3
27553971.666667
n÷3
20665478.75
n÷5
16532383
n2
6832992191467225
n3
5.6482821972673E+23
n4
4.6689782288652E+31
n5
3.8594668149131E+39
2 √n
9091.8598207407
3 √n
435.613991812
4 √n
95.351244463514
5 √n
38.323140594145
1 , 5 , 7 , 35 , 73 , 365 , 511 , 2555 , 32353 , 161765 , 226471 , 1132355 , 2361769 , 11808845 , 16532383 , 82661915
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
-82661914
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 82661915 can be divided by 16 positive divisors.
The sum of these divisors (counting 82661915) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011010101001000011011
3
Ternary
12202112122211102
4
Quaternary
10323111020123
5
Quinary
132130140130
6
Senary
12111422015
8
Octal
473251033
10
Decimal
82661915
12
Duodecimal
2382490b
16
Hexadecimal
4ed521b
20
Vigesimal
15gceff
36
Base36
1d7qcb
md5
6a55f468f337bcd40b133dc3f15e2255
sha1
28fefca43f71850f29656da7e5778f00831123b4
sha256
24f8e03751ab403439080b8f6076c65bbaf828b04b657da8ff4873248213206a
sha512
7ee50f4b1156e1960d4e36ba53e2f21e52459aa116f6a5bcf0308c27575ec2c2027541fc006de5ce116f81d0aa2abe8079b4f461a69e98067a177f05dfedb920
ripemd-160
f6312602b7bb38af5bc01988aa2a2bd50207aee0
Diameter
165323830
Circumference
519380129.79133
Area
2.146647807075E+16
Volume
2.3659469141783E+24
Surface area
8.5865912282999E+16
Circumference
519380129.79133
Perimeter
330647660
Area
6832992191467225
Diagonal
116901601.28473
Surface area
40997953148803350
Volume
5.6482821972673E+23
Space diagonal
143174636.63094
Perimeter
247985745
Area
2.9587724108357E+15
Altitude
71587318.31547
Surface area
2.9587724108357E+15
Volume
6.6565644062382E+22
Height
38967200.428244