981909069 is an odd 9-digits composite number following 981909068
and preceding 981909070 . In scientific notation, it is written as 9.81909069 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 616099776 positive integers (up to 981909069) that are relatively prime to 981909069.
981909069 has 4 divisors, whose sum is 1001162240
The reverse of 981909069 is 960909189
Previous prime number is 51
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
nine hundred eighty-one million nine hundred nine thousand sixty-nine
Scientific notation
9.81909069 × 10^8
Engineering notation
9.81909069 × 10^6
Prime Factorization
51 × 19253119
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
981909069
Product of the distinct prime numbers
The prime factorization of 981909069 is 51 × 19253119.
Since it has a total of 2 prime factors.
10 , 9 , 4 , 69 , 399 , 941 , 261 , 3420 , 99953 , 40462 , 898483 , 740303 , 3019415 , 5776227 , 71561290 , 3751914 , 969355965 , 931539302 , 6422033830 , 5476127298
n×2
1963818138
n×3
2945727207
n×4
3927636276
n×5
4909545345
n÷2
490954534.5
n÷3
327303023
n÷3
245477267.25
n÷5
196381813.8
n2
964145419784446761
n3
9.4670313152116E+26
n4
9.2957639049133E+35
n5
9.1275948815172E+44
2 √n
31335.428335991
3 √n
993.93295507321
4 √n
177.0181582098
5 √n
62.865772163541
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
-981909068
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 981909069 can be divided by 4 positive divisors.
The sum of these divisors (counting 981909069) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010100001101011111001001101
3
Ternary
2112102122011000120
4
Quaternary
322201223321031
5
Quinary
4002332042234
6
Senary
241233415153
8
Octal
7241537115
10
Decimal
981909069
12
Duodecimal
234a0a4b9
16
Hexadecimal
3a86be4d
20
Vigesimal
f6gicd9
36
Base36
g8lpvx
md5
0c97f6c697d713f908a728945f71695b
sha1
76bf5de606d87fb68f658710d04638b762cfc090
sha256
bd0e7c86183e5b31ed886af95014b3a4923b6886b847a7d6ea6c79bd26c5b46f
sha512
302c67bd40157e378ec8adbaf8c39b03c60ccb8718261abb6cf9086160156e7e95f22cacd65070510a3a004132779b9ea7385b0a02be6f236edc99ac0e9835d0
ripemd-160
5c1d0b6fd76e6ffd141d090e08e731fe91906a5e
Diameter
1963818138
Circumference
6169516635.3272
Area
3.0289521677871E+18
Volume
3.9655408041564E+27
Surface area
1.2115808671148E+19
Circumference
6169516635.3272
Perimeter
3927636276
Area
964145419784446761
Diagonal
1388629122.3969
Surface area
5784872518706680566
Volume
9.4670313152116E+26
Space diagonal
1700716395.9207
Perimeter
2945727207
Area
4.1748721323787E+17
Altitude
850358197.96033
Surface area
4.1748721323787E+17
Volume
1.1157003401153E+26
Height
462876374.13231