1979897978 is an even 10-digits composite number following 1979897977
and preceding 1979897979 . In scientific notation, it is written as 1.979897978 × 10^9.
The sum of its digits is 74. It has a total of 3 prime factors and 8 positive divisors.
There are 984765820 positive integers (up to 1979897978) that are relatively prime to 1979897978.
1979897978 has 8 divisors, whose sum is 2985396480
The reverse of 1979897978 is 8797989791
Previous prime number is 191
Is Prime? no Number parity even Number length 10 Sum of Digits 74 Digital Root 2
Name
one billion nine hundred seventy-nine million eight hundred ninety-seven thousand nine hundred seventy-eight
Scientific notation
1.979897978 × 10^9
Engineering notation
1.979897978 × 10^9
Prime Factorization
2 × 191 × 5182979
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1979897978 Product of the distinct prime numbers
The prime factorization of 1979897978 is 2 × 191 × 5182979.
Since it has a total of 3 prime factors.
6 , 7 , 64 , 38 , 689 , 744 , 78 , 9948 , 17286 , 11190 , 349059 , 542555 , 7680071 , 2365968 , 63204753 , 43587991 , 108816161 , 197476137 , 3054098113 , 7028570800
n×2
3959795956
n×3
5939693934
n×4
7919591912
n×5
9899489890
n÷2
989948989
n÷3
659965992.66667
n÷3
494974494.5
n÷5
395979595.6
n2
3919996003288488484
n3
7.761192160679E+27
n4
1.5366368665798E+37
n5
3.0423842250615E+46
2 √n44496.044520834
3 √n1255.6856679732
4 √n210.94085550418
5 √n72.331681688531
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
-1979897977 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 1979897978 can be divided by 8 positive divisors.
The sum of these divisors (counting 1979897978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110000000101101100001111010
3
Ternary
12002222112020102202
4
Quaternary
1312000231201322
5
Quinary
13023323213403
6
Senary
524244030202
8
Octal
16600554172
10
Decimal
1979897978
12
Duodecimal
473092362
16
Hexadecimal
7602d87a
20
Vigesimal
1aie74ii
36
Base36
wqs322
md5
88d1936a84f80bba77f9b27de98f50a6
sha1
9bae0bc6d3e1d6ec4b2d9642e2ce924f74777716
sha256
04cc057a31725e43d906cc3742f11c279071eac6e34a308831d5bfb3e6e74c60
sha512
a940b9b3d6a5c5f0aa46d681b9bf1e727ef7fd050336e7b4f166ef99e8b9848531f307fedc14a1e47576942c88dbf09058b7e6e61a4977f0be69d530d227b2d7
ripemd-160
a0d74b54959ed904b13c439d701b3976ea80b919
Diameter
3959795956
Circumference
12440065885.084
Area
1.2315030646032E+19
Volume
3.2510005700117E+28
Surface area
4.926012258413E+19
Circumference
12440065885.084
Perimeter
7919591912
Area
3919996003288488484
Diagonal
2799998572.6027
Surface area
2.3519976019731E+19
Volume
7.761192160679E+27
Space diagonal
3429283891.6989
Perimeter
5939693934
Area
1.6974080607906E+18
Altitude
1714641945.8494
Surface area
1.6974080607906E+18
Volume
9.1466526781799E+26
Height
933332857.53422