989899661 is an odd 9-digits composite number following 989899660
and preceding 989899662 . In scientific notation, it is written as 9.89899661 × 10^8.
The sum of its digits is 65. It has a total of 2 prime factors and 4 positive divisors.
There are 989828832 positive integers (up to 989899661) that are relatively prime to 989899661.
989899661 has 4 divisors, whose sum is 989970492
The reverse of 989899661 is 166998989
Previous prime number is 19157
Is Prime? no Number parity odd Number length 9 Sum of Digits 65 Digital Root 2
Name
nine hundred eighty-nine million eight hundred ninety-nine thousand six hundred sixty-one
Scientific notation
9.89899661 × 10^8
Engineering notation
9.89899661 × 10^6
Prime Factorization
19157 × 51673
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
989899661 Product of the distinct prime numbers
The prime factorization of 989899661 is 19157 × 51673.
Since it has a total of 2 prime factors.
8 , 8 , 61 , 93 , 179 , 688 , 6075 , 4773 , 43427 , 12418 , 70863 , 109223 , 6220889 , 3923218 , 7646839 , 8668000 , 496234879 , 286347655 , 8701675879 , 7218218286
n×2
1979799322
n×3
2969698983
n×4
3959598644
n×5
4949498305
n÷2
494949830.5
n÷3
329966553.66667
n÷3
247474915.25
n÷5
197979932.2
n2
979901338847914921
n3
9.70004003139E+26
n4
9.6020663387594E+35
n5
9.5050822136374E+44
2 √n31462.670913322
3 √n996.62182109129
4 √n177.37719953061
5 √n62.967758697394
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
-989899660 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 989899661 can be divided by 4 positive divisors.
The sum of these divisors (counting 989899661) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011000000001010101110001101
3
Ternary
2112222200010001102
4
Quaternary
323000022232031
5
Quinary
4011403242121
6
Senary
242120552445
8
Octal
7300125615
10
Decimal
989899661
12
Duodecimal
237622725
16
Hexadecimal
3b00ab8d
20
Vigesimal
f96h931
36
Base36
gdczgt
md5
2c0b3a8b54184323ebbc8f985912a5bb
sha1
f9dba7e996ed37e635e67841417cdafb332335e6
sha256
24a9de7843300df14913e1c76e2865ed7848d5dceeee6cffa53cd9f01ad30c59
sha512
ab5626460d20ea21eb1b068a2994882fe3d07915e1d72050a8d5740a63c35cd0765f13cedb485250e253a627fccb27528da1d8fe15673bf0b24080f89240f19b
ripemd-160
937e9601765f31795d8dc64ab671d2d16388b585
Diameter
1979799322
Circumference
6219723005.5773
Area
3.0784508473674E+18
Volume
4.0631432669522E+27
Surface area
1.231380338947E+19
Circumference
6219723005.5773
Perimeter
3959598644
Area
979901338847914921
Diagonal
1399929525.9747
Surface area
5879408033087489526
Volume
9.70004003139E+26
Space diagonal
1714556507.2472
Perimeter
2969698983
Area
4.2430972632234E+17
Altitude
857278253.6236
Surface area
4.2430972632234E+17
Volume
1.1431606806628E+26
Height
466643175.32491