638894039 is an odd 9-digits composite number following 638894038
and preceding 638894040 . In scientific notation, it is written as 6.38894039 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 546636960 positive integers (up to 638894039) that are relatively prime to 638894039.
638894039 has 8 divisors, whose sum is 731479968
The reverse of 638894039 is 930498836
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-eight million eight hundred ninety-four thousand thirty-nine
Scientific notation
6.38894039 × 10^8
Engineering notation
6.38894039 × 10^6
Prime Factorization
7 × 557 × 163861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638894039
Product of the distinct prime numbers
The prime factorization of 638894039 is 7 × 557 × 163861.
Since it has a total of 3 prime factors.
3 , 5 , 6 , 66 , 47 , 687 , 3680 , 9939 , 90199 , 45894 , 97740 , 675878 , 8205486 , 4823381 , 546843 , 12348926 , 60130218 , 591207118 , 6307805555 , 5412821267
n×2
1277788078
n×3
1916682117
n×4
2555576156
n×5
3194470195
n÷2
319447019.5
n÷3
212964679.66667
n÷3
159723509.75
n÷5
127778807.8
n2
408185593069733521
n3
2.6078734221793E+26
n4
1.6661547838969E+35
n5
1.0644963594831E+44
2 √n
25276.353356448
3 √n
861.27718964579
4 √n
158.98538724187
5 √n
57.68803781286
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
-638894038
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 638894039 can be divided by 8 positive divisors.
The sum of these divisors (counting 638894039) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000101001011111111010111
3
Ternary
1122112012011212012
4
Quaternary
212011023333113
5
Quinary
2302024102124
6
Senary
143221414435
8
Octal
4605137727
10
Decimal
638894039
12
Duodecimal
159b6a41b
16
Hexadecimal
2614bfd7
20
Vigesimal
9jd1f1j
36
Base36
akdpsn
md5
ca748be0121bf8bcde3f2ec0b7c65091
sha1
46eb8f4bfdcc1fac9b3eebfe599ba2052a028393
sha256
7503731e3ae05aa153b54257a8862512ebcc2f8e04036e9287df7930dde57a25
sha512
e967850cc385424c6e63e5aaf95203c4676ecc589b2490a4ff1983c620f68ff32fe614821bb2a12e3c7ba3d06ad5f96d59683eef5452813a41b85c3833dba66b
ripemd-160
a8736c418c2fc28dfc31e0d195756fc934de4f73
Diameter
1277788078
Circumference
4014289638.6894
Area
1.2823528604891E+18
Volume
1.0923834646148E+27
Surface area
5.1294114419563E+18
Circumference
4014289638.6894
Perimeter
2555576156
Area
408185593069733521
Diagonal
903532614.87313
Surface area
2449113558418401126
Volume
2.6078734221793E+26
Space diagonal
1106596936.2009
Perimeter
1916682117
Area
1.767495465286E+17
Altitude
553298468.10045
Surface area
1.767495465286E+17
Volume
3.0734083021653E+25
Height
301177538.29104