83720909 is an odd 8-digits composite number following 83720908
and preceding 83720910 . In scientific notation, it is written as 8.3720909 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 82979904 positive integers (up to 83720909) that are relatively prime to 83720909.
83720909 has 4 divisors, whose sum is 84461916
The reverse of 83720909 is 90902738
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-three million seven hundred twenty thousand nine hundred nine
Scientific notation
8.3720909 × 10^7
Engineering notation
8.3720909 × 10^6
Prime Factorization
113 × 740893
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
83720909
Product of the distinct prime numbers
The prime factorization of 83720909 is 113 × 740893.
Since it has a total of 2 prime factors.
4 , 8 , 72 , 11 , 302 , 10 , 7606 , 7404 , 35788 , 63218 , 369502 , 244907 , 8659262 , 2213317 , 5119743 , 78608481 , 995948223 , 954705721 , 1079891891 , 6968738899
n×2
167441818
n×3
251162727
n×4
334883636
n×5
418604545
n÷2
41860454.5
n÷3
27906969.666667
n÷3
20930227.25
n÷5
16744181.8
n2
7009190603786281
n3
5.8681580870325E+23
n4
4.9128752920206E+31
n5
4.113103852516E+39
2 √n
9149.9130596963
3 √n
437.46634233589
4 √n
95.655177903218
5 √n
38.420833925921
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
-83720908
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 83720909 can be divided by 4 positive divisors.
The sum of these divisors (counting 83720909) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111111010111101011001101
3
Ternary
12211112110111102
4
Quaternary
10333113223031
5
Quinary
132413032114
6
Senary
12150232445
8
Octal
477275315
10
Decimal
83720909
12
Duodecimal
24055725
16
Hexadecimal
4fd7acd
20
Vigesimal
1635259
36
Base36
1dufgt
md5
37fe7cb309ca35a2cafd6cefcf6958a6
sha1
2ab835b45c04b64f477d0cf88ef978650096c8b0
sha256
176ea46e0340c59cf2ad68eaf415100ca6a7692b12c72fbd307e0b4f3bf2e456
sha512
e607e6f690e2029c64cdfe127de738690737aafed3ea87594e03fbe59f9781308f0e829350c9f2066a51feb657494beb763e18d8ced5915531bb4a9cfad37507
ripemd-160
cc4b1c1adecf423963f5a0a857fa161bbd2d1f33
Diameter
167441818
Circumference
526033985.33252
Area
2.2020021708466E+16
Volume
2.45804831151E+24
Surface area
8.8080086833862E+16
Circumference
526033985.33252
Perimeter
334883636
Area
7009190603786281
Diagonal
118399244.962
Surface area
42055143622717686
Volume
5.8681580870325E+23
Space diagonal
145008868.04385
Perimeter
251162727
Area
3.0350685614231E+15
Altitude
72504434.021925
Surface area
3.0350685614231E+15
Volume
6.9156906273589E+22
Height
39466414.987335