638890693 is an odd 9-digits composite number following 638890692
and preceding 638890694 . In scientific notation, it is written as 6.38890693 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 532331136 positive integers (up to 638890693) that are relatively prime to 638890693.
638890693 has 16 divisors, whose sum is 750758400
The reverse of 638890693 is 396098836
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred thirty-eight million eight hundred ninety thousand six hundred ninety-three
Scientific notation
6.38890693 × 10^8
Engineering notation
6.38890693 × 10^6
Prime Factorization
7 × 47 × 149 × 13033
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638890693
Product of the distinct prime numbers
The prime factorization of 638890693 is 7 × 47 × 149 × 13033.
Since it has a total of 4 prime factors.
8 , 10 , 9 , 13 , 968 , 681 , 8500 , 5944 , 67335 , 3372 , 303821 , 685580 , 66469 , 6848648 , 34940972 , 72881306 , 623341786 , 606064730 , 3558231393 , 6512847473
n×2
1277781386
n×3
1916672079
n×4
2555562772
n×5
3194453465
n÷2
319445346.5
n÷3
212963564.33333
n÷3
159722673.25
n÷5
127778138.6
n2
408181317602020249
n3
2.6078324487241E+26
n4
1.6661198803932E+35
n5
1.0644684850055E+44
2 √n
25276.287168016
3 √n
861.27568608999
4 √n
158.98517908288
5 √n
57.687977388261
1 , 7 , 47 , 149 , 329 , 1043 , 7003 , 13033 , 49021 , 91231 , 612551 , 1941917 , 4287857 , 13593419 , 91270099 , 638890693
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
-638890692
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 638890693 can be divided by 16 positive divisors.
The sum of these divisors (counting 638890693) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101001011001011000101
3
Ternary
1122112012000021021
4
Quaternary
212011023023011
5
Quinary
2302024000233
6
Senary
143221351141
8
Octal
4605131305
10
Decimal
638890693
12
Duodecimal
159b684b1
16
Hexadecimal
2614b2c5
20
Vigesimal
9jd16ed
36
Base36
akdn7p
md5
bd937012b4b70bc03963d2c64d58d9dd
sha1
9f786fc1ca604dd9d7f7a841262661d2c81a499a
sha256
642006179f241a7ae015770b25f60f0daf03d810c8c505b33a42bc24621c9aa7
sha512
3af2837501a63686778978896530007bcd61e7b76747c7fb228575e1f4e4152a187daf753c14cc9c3a188a7334f3144b47e3d31cf5f131dac44d76c7f07a368e
ripemd-160
c623bb578ae4d7b6eb402ad6b58d573754d727b0
Diameter
1277781386
Circumference
4014268615.1514
Area
1.2823394287111E+18
Volume
1.092366301694E+27
Surface area
5.1293577148444E+18
Circumference
4014268615.1514
Perimeter
2555562772
Area
408181317602020249
Diagonal
903527882.91455
Surface area
2449087905612121494
Volume
2.6078324487241E+26
Space diagonal
1106591140.7589
Perimeter
1916672079
Area
1.7674769519678E+17
Altitude
553295570.37944
Surface area
1.7674769519678E+17
Volume
3.0733600144852E+25
Height
301175960.97152