91990639 is an odd 8-digits composite number following 91990638
and preceding 91990640 . In scientific notation, it is written as 9.1990639 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 6 positive divisors.
There are 77660352 positive integers (up to 91990639) that are relatively prime to 91990639.
91990639 has 6 divisors, whose sum is 92903136
The reverse of 91990639 is 93609919
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
ninety-one million nine hundred ninety thousand six hundred thirty-nine
Scientific notation
9.1990639 × 10^7
Engineering notation
9.1990639 × 10^6
Prime Factorization
8671 × 103 × 103
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
893113
Product of the distinct prime numbers
The prime factorization of 91990639 is 8671 × 103 × 103.
Since it has a total of 3 prime factors.
4 , 1 , 56 , 38 , 681 , 879 , 9730 , 4017 , 35158 , 32507 , 525820 , 274523 , 3019800 , 2239814 , 69218402 , 40648059 , 357323604 , 185225322 , 4536432480 , 9145270824
n×2
183981278
n×3
275971917
n×4
367962556
n×5
459953195
n÷2
45995319.5
n÷3
30663546.333333
n÷3
22997659.75
n÷5
18398127.8
n2
8462277663628321
n3
7.784503296726E+23
n4
7.1610143256343E+31
n5
6.5874628370325E+39
2 √n
9591.1750583544
3 √n
451.42043183243
4 √n
97.934544765136
5 √n
39.151528975574
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91990638
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91990639 can be divided by 6 positive divisors.
The sum of these divisors (counting 91990639) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101011110111010101001101111
3
Ternary
20102002121102201
4
Quaternary
11132322221233
5
Quinary
142022200024
6
Senary
13043402331
8
Octal
536725157
10
Decimal
91990639
12
Duodecimal
269833a7
16
Hexadecimal
57baa6f
20
Vigesimal
18eigbj
36
Base36
1irofj
md5
de4ca6936ed0904297c7fb0e42a5fc96
sha1
a3739ba140ed0db8bcc4d5f7973d87d81c6b2a4c
sha256
8fede55a81fff3faf59fb6349668aa56bd2e89825c5d149e81461bb7daa3cc72
sha512
505f4667f003c7ac164267ee19288f9d8e42fbfddd36de4042d269e781ba5dd3d1cc46ee3fb1341c1d0980f7f36d431b55979efe9a46cdcdcf49a89ed7f455c6
ripemd-160
f20cb7501a4039619ed46e2b5d2a34d42b249adc
Diameter
183981278
Circumference
577994231.36286
Area
2.6585029340692E+16
Volume
3.2607651158453E+24
Surface area
1.0634011736277E+17
Circumference
577994231.36286
Perimeter
367962556
Area
8462277663628321
Diagonal
130094409.28517
Surface area
50773665981769926
Volume
7.784503296726E+23
Space diagonal
159332460.56873
Perimeter
275971917
Area
3.6642737152899E+15
Altitude
79666230.284364
Surface area
3.6642737152899E+15
Volume
9.1741251154733E+22
Height
43364803.095056