638996958 is an even 9-digits composite number following 638996957
and preceding 638996959 . In scientific notation, it is written as 6.38996958 × 10^8.
The sum of its digits is 63. It has a total of 5 prime factors and 16 positive divisors.
There are 212998968 positive integers (up to 638996958) that are relatively prime to 638996958.
638996958 has 16 divisors, whose sum is 1419993360
The reverse of 638996958 is 859699836
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 63
Digital Root 9
Name
six hundred thirty-eight million nine hundred ninety-six thousand nine hundred fifty-eight
Scientific notation
6.38996958 × 10^8
Engineering notation
6.38996958 × 10^6
Prime Factorization
2 × 3 × 3 × 3 × 11833277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
70999662
Product of the distinct prime numbers
The prime factorization of 638996958 is 2 × 3 × 3 × 3 × 11833277.
Since it has a total of 5 prime factors.
5 , 6 , 35 , 32 , 494 , 939 , 8470 , 7744 , 16136 , 99570 , 889861 , 929405 , 6989513 , 3794558 , 95819205 , 58686752 , 523559258 , 239716669 , 1809513667 , 3208395583
n×2
1277993916
n×3
1916990874
n×4
2555987832
n×5
3194984790
n÷2
319498479
n÷3
212998986
n÷3
159749239.5
n÷5
127799391.6
n2
408317112333253764
n3
2.6091339268029E+26
n4
1.6672286422417E+35
n5
1.0653540306829E+44
2 √n
25278.389149627
3 √n
861.32343467879
4 √n
158.99178956672
5 √n
57.689896278355
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 11833277 , 23666554 , 35499831 , 70999662 , 106499493 , 212998986 , 319498479 , 638996958
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638996957
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638996958 can be divided by 16 positive divisors.
The sum of these divisors (counting 638996958) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101100101000111011110
3
Ternary
1122112101102001000
4
Quaternary
212011211013132
5
Quinary
2302040400313
6
Senary
143223531130
8
Octal
4605450736
10
Decimal
638996958
12
Duodecimal
159bb9aa6
16
Hexadecimal
261651de
20
Vigesimal
9jdec7i
36
Base36
akfx7i
md5
5041ad4f2de17f0e29b62d098c5acebe
sha1
6596911bd8102b6e112391d785a5ac783ecca983
sha256
a59d0b3e74542ad939035b13c11fda8811b7a7991633d2a09dba920605b0a81f
sha512
30a82a7196569fa820bba25b88043e3d1ffc1a993ba55ad3a206b2b00ffc01efff8c650025180cf57159a815f4ffd9ecb0a353fee0ccee360e5a3a5ce22ebb70
ripemd-160
89c2205667bc5baf4f252e31b23e6f1b957aece9
Diameter
1277993916
Circumference
4014936297.8381
Area
1.2827660404411E+18
Volume
1.0929114635568E+27
Surface area
5.1310641617646E+18
Circumference
4014936297.8381
Perimeter
2555987832
Area
408317112333253764
Diagonal
903678164.31875
Surface area
2449902673999522584
Volume
2.6091339268029E+26
Space diagonal
1106775197.138
Perimeter
1916990874
Area
1.7680649604025E+17
Altitude
553387598.56898
Surface area
1.7680649604025E+17
Volume
3.0748938211104E+25
Height
301226054.77292