981968909 is an odd 9-digits composite number following 981968908
and preceding 981968910 . In scientific notation, it is written as 9.81968909 × 10^8.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 924206016 positive integers (up to 981968909) that are relatively prime to 981968909.
981968909 has 4 divisors, whose sum is 1039731804
The reverse of 981968909 is 909869189
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 59
Digital Root 5
Name
nine hundred eighty-one million nine hundred sixty-eight thousand nine hundred nine
Scientific notation
9.81968909 × 10^8
Engineering notation
9.81968909 × 10^6
Prime Factorization
17 × 57762877
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
981968909
Product of the distinct prime numbers
The prime factorization of 981968909 is 17 × 57762877.
Since it has a total of 2 prime factors.
7 , 1 , 8 , 22 , 30 , 212 , 2337 , 8756 , 52761 , 73689 , 934103 , 68889 , 2129119 , 4696739 , 7297590 , 84410541 , 924205449 , 80303411 , 9337612359 , 2849134140
n×2
1963937818
n×3
2945906727
n×4
3927875636
n×5
4909844545
n÷2
490984454.5
n÷3
327322969.66667
n÷3
245492227.25
n÷5
196393781.8
n2
964262938242650281
n3
9.4687622545527E+26
n4
9.2980301406835E+35
n5
9.1303765130961E+44
2 √n
31336.383151219
3 √n
993.95314558498
4 √n
177.02085513074
5 √n
62.866538384411
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
-981968908
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 981968909 can be divided by 4 positive divisors.
The sum of these divisors (counting 981968909) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010100001111010100000001101
3
Ternary
2112102202012002212
4
Quaternary
322201322200031
5
Quinary
4002341001114
6
Senary
241235000205
8
Octal
7241724015
10
Decimal
981968909
12
Duodecimal
234a39065
16
Hexadecimal
3a87a80d
20
Vigesimal
f6h6259
36
Base36
g8n025
md5
cffdf04c066ea2d8465f0be6b0a352bd
sha1
1be6fff4e9898134276f817add19d4b3a4b696d5
sha256
e442d23151259fae09dd188302c8bdd7103c8ed04b0246a53ea9abf2fe1be440
sha512
a16f3eaa644b112f07138d85e2238f8631ef163d5f1cf518883dae4a2be7f8e1a639793f17d2abf177513d445236179f72609ed1061d898388648d28da114e1e
ripemd-160
0e0600e39d64ce8971e8f0bed6c21f8ceb4a7929
Diameter
1963937818
Circumference
6169892621.136
Area
3.029321362912E+18
Volume
3.9662658583321E+27
Surface area
1.2117285451648E+19
Circumference
6169892621.136
Perimeter
3927875636
Area
964262938242650281
Diagonal
1388713748.9365
Surface area
5785577629455901686
Volume
9.4687622545527E+26
Space diagonal
1700820041.841
Perimeter
2945906727
Area
4.1753810022298E+17
Altitude
850410020.92049
Surface area
4.1753810022298E+17
Volume
1.1159043332729E+26
Height
462904582.97884