642510139 is an odd 9-digits composite number following 642510138
and preceding 642510140 . In scientific notation, it is written as 6.42510139 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 624315200 positive integers (up to 642510139) that are relatively prime to 642510139.
642510139 has 12 divisors, whose sum is 661218480
The reverse of 642510139 is 931015246
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
six hundred forty-two million five hundred ten thousand one hundred thirty-nine
Scientific notation
6.42510139 × 10^8
Engineering notation
6.42510139 × 10^6
Prime Factorization
41 × 41 × 311 × 1229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15670979
Product of the distinct prime numbers
The prime factorization of 642510139 is 41 × 41 × 311 × 1229.
Since it has a total of 4 prime factors.
1 , 4 , 67 , 43 , 340 , 975 , 2254 , 3253 , 4593 , 84023 , 445165 , 718523 , 6469895 , 9911867 , 45114524 , 70595609 , 333567077 , 892567123 , 5579705237 , 6236304026
n×2
1285020278
n×3
1927530417
n×4
2570040556
n×5
3212550695
n÷2
321255069.5
n÷3
214170046.33333
n÷3
160627534.75
n÷5
128502027.8
n2
412819278717799321
n3
2.6524057215085E+26
n4
1.7041975688108E+35
n5
1.0949642168201E+44
2 √n
25347.783709824
3 √n
862.89905846475
4 √n
159.20987315435
5 √n
57.753192602313
1 , 41 , 311 , 1229 , 1681 , 12751 , 50389 , 382219 , 522791 , 2065949 , 15670979 , 642510139
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642510138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642510139 can be divided by 12 positive divisors.
The sum of these divisors (counting 642510139) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110010010111110110100111011
3
Ternary
1122202222220012211
4
Quaternary
212102332310323
5
Quinary
2303440311024
6
Senary
143431115551
8
Octal
4622766473
10
Decimal
642510139
12
Duodecimal
15b212bb7
16
Hexadecimal
264bed3b
20
Vigesimal
a0fdf6j
36
Base36
amj7zv
md5
49e98c5cb526beea358c3e80fac6423e
sha1
67d6a253d7a7f86f477303667479ffbb9dbac7c3
sha256
b19d606d594812c98f5de769076d0dd7940828aafc54447aaf30672e95e60062
sha512
456f983972acf776604f38f2a4780a4d9469eebefa8651d816ac09dcfbc3c6daf821a93c090845c76868f7f9a11c186527d4bedae168ce60931229416bb3fc3c
ripemd-160
8e5e41ba59ae51c3aa23135946875568be57d778
Diameter
1285020278
Circumference
4037010265.0787
Area
1.2969100132801E+18
Volume
1.1110371105374E+27
Surface area
5.1876400531203E+18
Circumference
4037010265.0787
Perimeter
2570040556
Area
412819278717799321
Diagonal
908646552.53602
Surface area
2476915672306795926
Volume
2.6524057215085E+26
Space diagonal
1112860205.1261
Perimeter
1927530417
Area
1.7875599127079E+17
Altitude
556430102.56307
Surface area
1.7875599127079E+17
Volume
3.1258901202278E+25
Height
302882184.17867