981691982 is an even 9-digits composite number following 981691981
and preceding 981691983 . In scientific notation, it is written as 9.81691982 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 490845990 positive integers (up to 981691982) that are relatively prime to 981691982.
981691982 has 4 divisors, whose sum is 1472537976
The reverse of 981691982 is 289196189
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
nine hundred eighty-one million six hundred ninety-one thousand nine hundred eighty-two
Scientific notation
9.81691982 × 10^8
Engineering notation
9.81691982 × 10^6
Prime Factorization
2 × 490845991
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
981691982
Product of the distinct prime numbers
The prime factorization of 981691982 is 2 × 490845991.
Since it has a total of 2 prime factors.
5 , 3 , 80 , 11 , 645 , 971 , 5957 , 2761 , 17377 , 92189 , 72440 , 956590 , 6783900 , 6635800 , 19108912 , 37642524 , 784935430 , 791385023 , 8044549379 , 7674978671
n×2
1963383964
n×3
2945075946
n×4
3926767928
n×5
4908459910
n÷2
490845991
n÷3
327230660.66667
n÷3
245422995.5
n÷5
196338396.4
n2
963719147523088324
n3
9.4607536002329E+26
n4
9.2875459530263E+35
n5
9.1175093945424E+44
2 √n
31331.964221861
3 √n
993.85970123418
4 √n
177.00837331003
5 √n
62.862992160918
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
-981691981
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 981691982 can be divided by 4 positive divisors.
The sum of these divisors (counting 981691982) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010100000110110111001001110
3
Ternary
2112102020010020022
4
Quaternary
322200312321032
5
Quinary
4002303120412
6
Senary
241225022142
8
Octal
7240667116
10
Decimal
981691982
12
Duodecimal
234924952
16
Hexadecimal
3a836e4e
20
Vigesimal
f6fb9j2
36
Base36
g8h2dq
md5
22c64939dd9c464f163c90ab0e7a86a1
sha1
eef9e795cd1f59b01383d804779455fda7f46fd6
sha256
d693ae036e45bd65581f16cbf97d50a194d27cbbcd38f78472579b483440fc2f
sha512
3a49317fc7964c2c85b43b6ba853e3e604a36e3cb79f80fa22c4d3ec0cc24d61ab906bfd49d225006edda8c14375c93c0f91bb651ef35f9448b7b3bfe79f18af
ripemd-160
4e2dc87538b9a732e24bfe20e4e79233ee4f3ac7
Diameter
1963383964
Circumference
6168152637.4784
Area
3.0276129939824E+18
Volume
3.9629112010553E+27
Surface area
1.2110451975929E+19
Circumference
6168152637.4784
Perimeter
3926767928
Area
963719147523088324
Diagonal
1388322115.0173
Surface area
5782314885138529944
Volume
9.4607536002329E+26
Space diagonal
1700340390.207
Perimeter
2945075946
Area
4.1730263193424E+17
Altitude
850170195.1035
Surface area
4.1730263193424E+17
Volume
1.11496050431E+26
Height
462774038.33911