642487029 is an odd 9-digits composite number following 642487028
and preceding 642487030 . In scientific notation, it is written as 6.42487029 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 428324684 positive integers (up to 642487029) that are relatively prime to 642487029.
642487029 has 4 divisors, whose sum is 856649376
The reverse of 642487029 is 920784246
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred forty-two million four hundred eighty-seven thousand twenty-nine
Scientific notation
6.42487029 × 10^8
Engineering notation
6.42487029 × 10^6
Prime Factorization
3 × 214162343
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642487029
Product of the distinct prime numbers
The prime factorization of 642487029 is 3 × 214162343.
Since it has a total of 2 prime factors.
3 , 7 , 35 , 28 , 747 , 590 , 3887 , 1623 , 68308 , 7115 , 707203 , 683568 , 7311809 , 1590241 , 26410504 , 25397809 , 572796530 , 100302560 , 9001995758 , 3465744875
n×2
1284974058
n×3
1927461087
n×4
2569948116
n×5
3212435145
n÷2
321243514.5
n÷3
214162343
n÷3
160621757.25
n÷5
128497405.8
n2
412789582433246841
n3
2.6521195241969E+26
n4
1.7039523936541E+35
n5
1.0947673109563E+44
2 √n
25347.327847329
3 √n
862.88871266883
4 √n
159.20844150776
5 √n
57.752777139458
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642487028
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642487029 can be divided by 4 positive divisors.
The sum of these divisors (counting 642487029) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010010111001001011110101
3
Ternary
1122202221201111220
4
Quaternary
212102321023311
5
Quinary
2303434041104
6
Senary
143430420553
8
Octal
4622711365
10
Decimal
642487029
12
Duodecimal
15b201759
16
Hexadecimal
264b92f5
20
Vigesimal
a0fahb9
36
Base36
amiq5x
md5
42251d9f023b81482bcdfde6d47f84e3
sha1
e2705e3a31986ff07412d87507e18f2c6498ad97
sha256
7ca1175c55070ef5960ad14802234f429b9a4306a62fe57585d6126c385749de
sha512
04a057939ed5e0a16def6446354b3ca3cf01e4b3df5a866161094538a280380dfc64e26de29b1f5f5708601762a0f3ad7d5ab77d475de3c36a7afe7705fcf372
ripemd-160
116bae1e25432a1477c7764cfd364ddd20969595
Diameter
1284974058
Circumference
4036865060.6663
Area
1.2968167196507E+18
Volume
1.1109172284879E+27
Surface area
5.1872668786027E+18
Circumference
4036865060.6663
Perimeter
2569948116
Area
412789582433246841
Diagonal
908613870.0606
Surface area
2476737494599481046
Volume
2.6521195241969E+26
Space diagonal
1112820177.432
Perimeter
1927461087
Area
1.7874313240238E+17
Altitude
556410088.71599
Surface area
1.7874313240238E+17
Volume
3.1255528334614E+25
Height
302871290.0202