83156721 is an odd 8-digits composite number following 83156720
and preceding 83156722 . In scientific notation, it is written as 8.3156721 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 55437812 positive integers (up to 83156721) that are relatively prime to 83156721.
83156721 has 4 divisors, whose sum is 110875632
The reverse of 83156721 is 12765138
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-three million one hundred fifty-six thousand seven hundred twenty-one
Scientific notation
8.3156721 × 10^7
Engineering notation
8.3156721 × 10^6
Prime Factorization
3 × 27718907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
83156721
Product of the distinct prime numbers
The prime factorization of 83156721 is 3 × 27718907.
Since it has a total of 2 prime factors.
10 , 7 , 53 , 12 , 96 , 736 , 8181 , 773 , 36352 , 32995 , 829334 , 668739 , 4560219 , 6762189 , 43687920 , 86810390 , 496431283 , 711826504 , 8972627638 , 1032228589
n×2
166313442
n×3
249470163
n×4
332626884
n×5
415783605
n÷2
41578360.5
n÷3
27718907
n÷3
20789180.25
n÷5
16631344.2
n2
6915040247471841
n3
5.7503207256279E+23
n4
4.7817781624155E+31
n5
3.9763699253588E+39
2 √n
9119.0307050695
3 √n
436.48144395347
4 √n
95.493616043532
5 √n
38.368910835951
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
-83156720
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 83156721 can be divided by 4 positive divisors.
The sum of these divisors (counting 83156721) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111101001101111011110001
3
Ternary
12210110210120120
4
Quaternary
10331031323301
5
Quinary
132242003341
6
Senary
12130200453
8
Octal
475157361
10
Decimal
83156721
12
Duodecimal
23a23129
16
Hexadecimal
4f4def1
20
Vigesimal
15jebg1
36
Base36
1dic4x
md5
783f93241bc589c1b9c8b8a8d9e5031f
sha1
b6863dcd7403ddb89bc52f8618993d3e8e3476ed
sha256
caead3c87145dd4d598316f775f3a0a7ad106d6d5bcdaf49c826ff23e9519ada
sha512
92b2d161e3c37d259dec1e04840ee737826746fc06871d4d30c757496df6f2fcf71c22906b85639c86bc1a23cbefd43681b88968eaee156687845bcf2386013b
ripemd-160
f77c2b7cd95e58be0f268b1cf8addaa027a15b85
Diameter
166313442
Circumference
522489087.58043
Area
2.1724239640735E+16
Volume
2.408688712989E+24
Surface area
8.6896958562941E+16
Circumference
522489087.58043
Perimeter
332626884
Area
6915040247471841
Diagonal
117601362.64068
Surface area
41490241484831046
Volume
5.7503207256279E+23
Space diagonal
144031665.76283
Perimeter
249470163
Area
2.9943002612512E+15
Altitude
72015832.881415
Surface area
2.9943002612512E+15
Volume
6.7768179651484E+22
Height
39200454.213559