90438991 is an odd 8-digits composite number following 90438990
and preceding 90438992 . In scientific notation, it is written as 9.0438991 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 90418984 positive integers (up to 90438991) that are relatively prime to 90438991.
90438991 has 4 divisors, whose sum is 90459000
The reverse of 90438991 is 19983409
Previous prime number is 6899
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
ninety million four hundred thirty-eight thousand nine hundred ninety-one
Scientific notation
9.0438991 × 10^7
Engineering notation
9.0438991 × 10^6
Prime Factorization
6899 × 13109
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
90438991
Product of the distinct prime numbers
The prime factorization of 90438991 is 6899 × 13109.
Since it has a total of 2 prime factors.
3 , 4 , 94 , 27 , 922 , 339 , 7087 , 6400 , 57791 , 76476 , 885749 , 474890 , 1794677 , 2649635 , 85621974 , 96667405 , 623273335 , 449555859 , 8538961338 , 5982680650
n×2
180877982
n×3
271316973
n×4
361755964
n×5
452194955
n÷2
45219495.5
n÷3
30146330.333333
n÷3
22609747.75
n÷5
18087798.2
n2
8179211093098081
n3
7.397195984358E+23
n4
6.6899494105459E+31
n5
6.0503227453081E+39
2 √n
9509.941692776
3 √n
448.86792146243
4 √n
97.518929920175
5 √n
39.01855139198
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
-90438990
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 90438991 can be divided by 4 positive divisors.
The sum of these divisors (counting 90438991) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011000111111110101001111
3
Ternary
20022011202222021
4
Quaternary
11120333311033
5
Quinary
141123021431
6
Senary
12550231011
8
Octal
530776517
10
Decimal
90438991
12
Duodecimal
26355467
16
Hexadecimal
563fd4f
20
Vigesimal
1854h9b
36
Base36
1huf67
md5
d6562a46c689e18a5f3de8a9678972ff
sha1
efd63a3cc7a48f0925107134e5cca7ea80067d1a
sha256
efba6549a1aca3cd28c072cd426129f8f7f9d30f05aabae2c2d27eb5c5b1f85c
sha512
def9c2f5feb7f0cc8cd59341d63ffb7cbaed1a8f1e6163fe0c670bbcc9aa4e7b44e31e832ff8aee2bb2389bf6db358b5c0104def567b8e3f606a16f752746cd6
ripemd-160
b333f8e00c86e6545b2df2645ecb614d44dbd008
Diameter
180877982
Circumference
568244939.44735
Area
2.5695749482237E+16
Volume
3.0985302082164E+24
Surface area
1.0278299792895E+17
Circumference
568244939.44735
Perimeter
361755964
Area
8179211093098081
Diagonal
127900047.63954
Surface area
49075266558588486
Volume
7.397195984358E+23
Space diagonal
156644927.39726
Perimeter
271316973
Area
3.5417022947692E+15
Altitude
78322463.698632
Surface area
3.5417022947692E+15
Volume
8.717679070509E+22
Height
42633349.213179