79423981 is an odd 8-digits composite number following 79423980
and preceding 79423982 . In scientific notation, it is written as 7.9423981 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 62840880 positive integers (up to 79423981) that are relatively prime to 79423981.
79423981 has 8 divisors, whose sum is 97752704
The reverse of 79423981 is 18932497
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-nine million four hundred twenty-three thousand nine hundred eighty-one
Scientific notation
7.9423981 × 10^7
Engineering notation
7.9423981 × 10^6
Prime Factorization
7 × 13 × 872791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
79423981
Product of the distinct prime numbers
The prime factorization of 79423981 is 7 × 13 × 872791.
Since it has a total of 3 prime factors.
6 , 4 , 71 , 63 , 857 , 222 , 9812 , 6275 , 30850 , 44221 , 752482 , 396439 , 3691607 , 6931349 , 57059131 , 53020320 , 391195752 , 495221827 , 3100202491 , 6436748881
n×2
158847962
n×3
238271943
n×4
317695924
n×5
397119905
n÷2
39711990.5
n÷3
26474660.333333
n÷3
19855995.25
n÷5
15884796.2
n2
6308168757888361
n3
5.0101987557132E+23
n4
3.9792993077999E+31
n5
3.1605179261601E+39
2 √n
8912.0132966687
3 √n
429.85028319425
4 √n
94.403460194363
5 √n
38.018093139684
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
-79423980
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 79423981 can be divided by 8 positive divisors.
The sum of these divisors (counting 79423981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101110111110100111101101
3
Ternary
12112110011012221
4
Quaternary
10232332213231
5
Quinary
130313031411
6
Senary
11514155341
8
Octal
456764755
10
Decimal
79423981
12
Duodecimal
22722b51
16
Hexadecimal
4bbe9ed
20
Vigesimal
14g7jj1
36
Base36
1babxp
md5
b94d5517abe4bebdc732edce7dc89cf2
sha1
fd827b5338c714b0231705a6b413f5939ff288b2
sha256
0cc670ff8b5801f245c03dbd1ac33cbd3f417b6448ebeb8dd89753fab584d007
sha512
7837246ba2bd9d1aed8249cd37428b0e84fef7d12ce290ce06dc6feb870f9fa26dec4f37516d54a51ce50bcfe9e1c5990aedcb7a7be8c31a5e921b2e90542052
ripemd-160
9543dcb1fbac60ea39ab071fc9955fd0b73add4a
Diameter
158847962
Circumference
499035590.45691
Area
1.9817696627387E+16
Volume
2.0986671471964E+24
Surface area
7.9270786509547E+16
Circumference
499035590.45691
Perimeter
317695924
Area
6308168757888361
Diagonal
112322471.10786
Surface area
37849012547330166
Volume
5.0101987557132E+23
Space diagonal
137566370.43139
Perimeter
238271943
Area
2.7315171978453E+15
Altitude
68783185.215693
Surface area
2.7315171978453E+15
Volume
5.904575858762E+22
Height
37440823.702621