90131990 is an even 8-digits composite number following 90131989
and preceding 90131991 . In scientific notation, it is written as 9.0131990 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 33279456 positive integers (up to 90131990) that are relatively prime to 90131990.
90131990 has 16 divisors, whose sum is 174717648
The reverse of 90131990 is 09913109
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
ninety million one hundred thirty-one thousand nine hundred ninety
Scientific notation
9.0131990 × 10^7
Engineering notation
9.0131990 × 10^6
Prime Factorization
2 × 5 × 13 × 693323
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
90131990
Product of the distinct prime numbers
The prime factorization of 90131990 is 2 × 5 × 13 × 693323.
Since it has a total of 4 prime factors.
2 , 8 , 7 , 26 , 176 , 66 , 629 , 3364 , 72167 , 16447 , 187337 , 35208 , 6008474 , 5658377 , 89021058 , 3390081 , 638066632 , 72260594 , 2066538250 , 1120522480
n×2
180263980
n×3
270395970
n×4
360527960
n×5
450659950
n÷2
45065995
n÷3
30043996.666667
n÷3
22532997.5
n÷5
18026398
n2
8123775621360100
n3
7.3221206306667E+23
n4
6.5995730346205E+31
n5
5.9483265076068E+39
2 √n
9493.7869156623
3 √n
448.35944194893
4 √n
97.436065785018
5 √n
38.992025150577
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 693323 , 1386646 , 3466615 , 6933230 , 9013199 , 18026398 , 45065995 , 90131990
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
-90131989
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 90131990 can be divided by 16 positive divisors.
The sum of these divisors (counting 90131990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101010111110100111000010110
3
Ternary
20021121011211212
4
Quaternary
11113310320112
5
Quinary
141033210430
6
Senary
12535501422
8
Octal
527647026
10
Decimal
90131990
12
Duodecimal
26227872
16
Hexadecimal
55f4e16
20
Vigesimal
18369ja
36
Base36
1hnuae
md5
6c74bfd56e75b5f6f082b404d444e052
sha1
4621a97a862d7cc58d6173d48237f8914f1c3abe
sha256
976749160f47bfbdeadc2d93fa3486823f9fc027a9ee50381aeb69546eb36aae
sha512
19e04c6dd6a7ee053c7e3f81d4b2765b2e0fdfc048e333e5c58774a58b2b992e721441cb7e0da02e4dcdfc203c8a70a38f4dd9f5270ec708a548d4ed8caecc1f
ripemd-160
f3b7be7ba0e63a99d63b3800ecea7782e569181e
Diameter
180263980
Circumference
566315995.27486
Area
2.5521593811477E+16
Volume
3.0670827176001E+24
Surface area
1.0208637524591E+17
Circumference
566315995.27486
Perimeter
360527960
Area
8123775621360100
Diagonal
127465882.66168
Surface area
48742653728160600
Volume
7.3221206306667E+23
Space diagonal
156113186.06729
Perimeter
270395970
Area
3.5176980313713E+15
Altitude
78056593.033645
Surface area
3.5176980313713E+15
Volume
8.6292019176839E+22
Height
42488627.553892