642051247 is an odd 9-digits composite number following 642051246
and preceding 642051248 . In scientific notation, it is written as 6.42051247 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 641877040 positive integers (up to 642051247) that are relatively prime to 642051247.
642051247 has 4 divisors, whose sum is 642225456
The reverse of 642051247 is 742150246
Previous prime number is 3767
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
six hundred forty-two million fifty-one thousand two hundred forty-seven
Scientific notation
6.42051247 × 10^8
Engineering notation
6.42051247 × 10^6
Prime Factorization
3767 × 170441
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642051247
Product of the distinct prime numbers
The prime factorization of 642051247 is 3767 × 170441.
Since it has a total of 2 prime factors.
9 , 3 , 1 , 53 , 426 , 121 , 7311 , 5795 , 75661 , 36535 , 460479 , 343330 , 7579544 , 5514182 , 73920000 , 90904723 , 787219710 , 962439671 , 6994183263 , 9786042510
n×2
1284102494
n×3
1926153741
n×4
2568204988
n×5
3210256235
n÷2
321025623.5
n÷3
214017082.33333
n÷3
160512811.75
n÷5
128410249.4
n2
412229803774255009
n3
2.6467265956383E+26
n4
1.6993341111976E+35
n5
1.0910595851641E+44
2 √n
25338.730177339
3 √n
862.69357699478
4 √n
159.18143791705
5 √n
57.744940576046
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
-642051246
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 642051247 can be divided by 4 positive divisors.
The sum of these divisors (counting 642051247) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010001001110110010101111
3
Ternary
1122202010120201211
4
Quaternary
212101032302233
5
Quinary
2303331114442
6
Senary
143413215251
8
Octal
4621166257
10
Decimal
642051247
12
Duodecimal
15b031527
16
Hexadecimal
2644ecaf
20
Vigesimal
a0cg827
36
Base36
am9dwv
md5
2b24d3ee720533294473568538f9032b
sha1
cce8ef4a1259f6aa889309dd60c485b1745f3188
sha256
ba72ddc245061eac5a3828e780f17f9bb51024269606bf0e62ee2461b7b13406
sha512
1f1dea20adab6b8baca5e27078f013c7f7d6cadebb90c565724b1e535fe45cfea00b3166cd65afcb5080452cded03eef488de3a12f7997499a098ffe9fc7bcf4
ripemd-160
62787413e1c2e08d5eea5b5d855080fa8a33d9e8
Diameter
1284102494
Circumference
4034126961.6067
Area
1.295058123128E+18
Volume
1.1086582438557E+27
Surface area
5.1802324925118E+18
Circumference
4034126961.6067
Perimeter
2568204988
Area
412229803774255009
Diagonal
907997581.24596
Surface area
2473378822645530054
Volume
2.6467265956383E+26
Space diagonal
1112065380.867
Perimeter
1926153741
Area
1.7850074113279E+17
Altitude
556032690.43348
Surface area
1.7850074113279E+17
Volume
3.1191972062043E+25
Height
302665860.41532