642051249 is an odd 9-digits composite number following 642051248
and preceding 642051250 . In scientific notation, it is written as 6.42051249 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 343160064 positive integers (up to 642051249) that are relatively prime to 642051249.
642051249 has 16 divisors, whose sum is 717024000
The reverse of 642051249 is 942150246
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
six hundred forty-two million fifty-one thousand two hundred forty-nine
Scientific notation
6.42051249 × 10^8
Engineering notation
6.42051249 × 10^6
Prime Factorization
21 × 19 × 79 × 20369
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642051249
Product of the distinct prime numbers
The prime factorization of 642051249 is 21 × 19 × 79 × 20369.
Since it has a total of 4 prime factors.
1 , 6 , 84 , 1 , 320 , 16 , 4334 , 7446 , 31277 , 85372 , 726723 , 310551 , 4674098 , 1759431 , 32443828 , 79546049 , 801019124 , 101567719 , 7061319154 , 9041287743
n×2
1284102498
n×3
1926153747
n×4
2568204996
n×5
3210256245
n÷2
321025624.5
n÷3
214017083
n÷3
160512812.25
n÷5
128410249.8
n2
412229806342460001
n3
2.646726620372E+26
n4
1.6993341323714E+35
n5
1.0910596021574E+44
2 √n
25338.730216804
3 √n
862.69357789054
4 √n
159.18143804101
5 √n
57.744940612021
1 , 19 , 21 , 79 , 399 , 1501 , 1659 , 20369 , 31521 , 387011 , 427749 , 1609151 , 8127231 , 30573869 , 33792171 , 642051249
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
-642051248
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 642051249 can be divided by 16 positive divisors.
The sum of these divisors (counting 642051249) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010001001110110010110001
3
Ternary
1122202010120201220
4
Quaternary
212101032302301
5
Quinary
2303331114444
6
Senary
143413215253
8
Octal
4621166261
10
Decimal
642051249
12
Duodecimal
15b031529
16
Hexadecimal
2644ecb1
20
Vigesimal
a0cg829
36
Base36
am9dwx
md5
e2c6ea81bd8466d0cbff70616f756251
sha1
aafea4f7653d581ea7d408b10e204fe38f2868df
sha256
23548406af726d4721e7ce68db6a79121ae1571fbfba80aef8c8a06837a5d779
sha512
97162b83910df67b78c30ac67802e01417ea7c9514915affd862fe6d5803df55eaccae15d58a2c80c013643c45cfdc698a0a9773fd4c2c9946862647cc3bd2fc
ripemd-160
06ea9c697511f3dfc24c9e469e3cf5e28334691e
Diameter
1284102498
Circumference
4034126974.1731
Area
1.2950581311962E+18
Volume
1.1086582542162E+27
Surface area
5.1802325247849E+18
Circumference
4034126974.1731
Perimeter
2568204996
Area
412229806342460001
Diagonal
907997584.07439
Surface area
2473378838054760006
Volume
2.646726620372E+26
Space diagonal
1112065384.3311
Perimeter
1926153747
Area
1.7850074224485E+17
Altitude
556032692.16553
Surface area
1.7850074224485E+17
Volume
3.1191972353534E+25
Height
302665861.35813