1979897979 is an odd 10-digits composite number following 1979897978
and preceding 1979897980 . In scientific notation, it is written as 1.979897979 × 10^9.
The sum of its digits is 75. It has a total of 3 prime factors and 8 positive divisors.
There are 1242288896 positive integers (up to 1979897979) that are relatively prime to 1979897979.
1979897979 has 8 divisors, whose sum is 2795150160
The reverse of 1979897979 is 9797989791
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 75
Digital Root 3
Name
one billion nine hundred seventy-nine million eight hundred ninety-seven thousand nine hundred seventy-nine
Scientific notation
1.979897979 × 10^9
Engineering notation
1.979897979 × 10^9
Prime Factorization
3 × 17 × 38821529
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1979897979
Product of the distinct prime numbers
The prime factorization of 1979897979 is 3 × 17 × 38821529.
Since it has a total of 3 prime factors.
5 , 5 , 39 , 64 , 635 , 130 , 2059 , 4110 , 55267 , 69639 , 47840 , 713772 , 9272207 , 1104862 , 86457366 , 67786910 , 785441495 , 84201249 , 5854126628 , 3850885550
n×2
3959795958
n×3
5939693937
n×4
7919591916
n×5
9899489895
n÷2
989948989.5
n÷3
659965993
n÷3
494974494.75
n÷5
395979595.8
n2
3919996007248284441
n3
7.7611921724389E+27
n4
1.5366368696842E+37
n5
3.0423842327447E+46
2 √n
44496.04453207
3 √n
1255.6856681846
4 √n
210.94085553081
5 √n
72.331681695837
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
-1979897978
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 1979897979 can be divided by 8 positive divisors.
The sum of these divisors (counting 1979897979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110000000101101100001111011
3
Ternary
12002222112020102210
4
Quaternary
1312000231201323
5
Quinary
13023323213404
6
Senary
524244030203
8
Octal
16600554173
10
Decimal
1979897979
12
Duodecimal
473092363
16
Hexadecimal
7602d87b
20
Vigesimal
1aie74ij
36
Base36
wqs323
md5
b853ab8efb04388dbe87db8517ae1d4b
sha1
c2c95fbcab297b5aa79712845c52664be658b4b4
sha256
70bd7a62f10bd4a9b4ebf03ea7ffeeec2a060a54feaf243eace5ae98b5528b25
sha512
4cbf52c60d956db18e7d1b6e9765bb475a96685ab1f7a4af8493fa51ee8ab1867e03d491a4883d5f8e8b8499a92dcb7b0a79e631709c2e63606ff88e95d339fd
ripemd-160
c7ff047cc99e972f8fc8295f01175beef44c1834
Diameter
3959795958
Circumference
12440065891.367
Area
1.2315030658473E+19
Volume
3.2510005749377E+28
Surface area
4.926012263389E+19
Circumference
12440065891.367
Perimeter
7919591916
Area
3919996007248284441
Diagonal
2799998574.0169
Surface area
2.351997604349E+19
Volume
7.7611921724389E+27
Space diagonal
3429283893.4309
Perimeter
5939693937
Area
1.6974080625053E+18
Altitude
1714641946.7155
Surface area
1.6974080625053E+18
Volume
9.1466526920392E+26
Height
933332858.00563