90197989 is an odd 8-digits composite number following 90197988
and preceding 90197990 . In scientific notation, it is written as 9.0197989 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 77191296 positive integers (up to 90197989) that are relatively prime to 90197989.
90197989 has 8 divisors, whose sum is 103245120
The reverse of 90197989 is 98979109
Previous prime number is 659
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
ninety million one hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
9.0197989 × 10^7
Engineering notation
9.0197989 × 10^6
Prime Factorization
7 × 659 × 19553
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
90197989
Product of the distinct prime numbers
The prime factorization of 90197989 is 7 × 659 × 19553.
Since it has a total of 3 prime factors.
9 , 9 , 57 , 44 , 505 , 423 , 1216 , 9575 , 859 , 39468 , 914502 , 129554 , 3960272 , 1296618 , 34029666 , 31935574 , 595227101 , 205708238 , 1805519601 , 9937799332
n×2
180395978
n×3
270593967
n×4
360791956
n×5
450989945
n÷2
45098994.5
n÷3
30065996.333333
n÷3
22549497.25
n÷5
18039597.8
n2
8135677219644121
n3
7.3382172436501E+23
n4
6.6189243822236E+31
n5
5.9701366861964E+39
2 √n
9497.2621844403
3 √n
448.46885206709
4 √n
97.453897738573
5 √n
38.997733847881
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-90197988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 90197989 can be divided by 8 positive divisors.
The sum of these divisors (counting 90197989) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011000000100111111100101
3
Ternary
20021201112101021
4
Quaternary
11120010333211
5
Quinary
141042313424
6
Senary
12541131141
8
Octal
530047745
10
Decimal
90197989
12
Duodecimal
26259ab1
16
Hexadecimal
5604fe5
20
Vigesimal
183eej9
36
Base36
1hp97p
md5
a299543eae60833bffb00aa78b37834c
sha1
6955b1b51d5d92d2c161a9640b04ee8689587661
sha256
03d47ab6661c97dcc5a2d7b9dfc6246d852c39c0cc465bbe7993aec3f118642a
sha512
a445c3cb9153cf33f87385226e4500221811fe1af339b9dd4e600199044d95f98a1ab15723b751e7117bd80164a0b064965624434029ebc6a76b8f2f91ed1f7d
ripemd-160
fe7647bc40b152a0e75f6daa9ac011f9151fab18
Diameter
180395978
Circumference
566730679.22195
Area
2.5558983785212E+16
Volume
3.0738252510796E+24
Surface area
1.0223593514085E+17
Circumference
566730679.22195
Perimeter
360791956
Area
8135677219644121
Diagonal
127559219.34258
Surface area
48814063317864726
Volume
7.3382172436501E+23
Space diagonal
156227499.68854
Perimeter
270593967
Area
3.5228515746011E+15
Altitude
78113749.844269
Surface area
3.5228515746011E+15
Volume
8.6481719580084E+22
Height
42519739.78086