642442015 is an odd 9-digits composite number following 642442014
and preceding 642442016 . In scientific notation, it is written as 6.42442015 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 508425120 positive integers (up to 642442015) that are relatively prime to 642442015.
642442015 has 16 divisors, whose sum is 779264640
The reverse of 642442015 is 510244246
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
six hundred forty-two million four hundred forty-two thousand fifteen
Scientific notation
6.42442015 × 10^8
Engineering notation
6.42442015 × 10^6
Prime Factorization
5 × 139 × 307 × 3011
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642442015
Product of the distinct prime numbers
The prime factorization of 642442015 is 5 × 139 × 307 × 3011.
Since it has a total of 4 prime factors.
1 , 6 , 23 , 10 , 687 , 705 , 3267 , 4402 , 6255 , 31259 , 941190 , 336373 , 8267223 , 3826671 , 76751421 , 73821831 , 375908800 , 105794716 , 1122708097 , 2541861071
n×2
1284884030
n×3
1927326045
n×4
2569768060
n×5
3212210075
n÷2
321221007.5
n÷3
214147338.33333
n÷3
160610503.75
n÷5
128488403
n2
412731742637260225
n3
2.6515621239434E+26
n4
1.7034749138039E+35
n5
1.0943838561261E+44
2 √n
25346.439888079
3 √n
862.86856026216
4 √n
159.20565281446
5 √n
57.751967860437
1 , 5 , 139 , 307 , 695 , 1535 , 3011 , 15055 , 42673 , 213365 , 418529 , 924377 , 2092645 , 4621885 , 128488403 , 642442015
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
-642442014
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 642442015 can be divided by 16 positive divisors.
The sum of these divisors (counting 642442015) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010010101110001100011111
3
Ternary
1122202212102202201
4
Quaternary
212102232030133
5
Quinary
2303431121030
6
Senary
143425432331
8
Octal
4622561437
10
Decimal
642442015
12
Duodecimal
15b19b6a7
16
Hexadecimal
264ae31f
20
Vigesimal
a0f550f
36
Base36
amhrfj
md5
fbe51d139e9538fdf1d4e9875cd4ae0e
sha1
cc6a4e3d21e9d3f1534103293c580e867cb7693c
sha256
f8b2fa9d52af9545699d617d92e5f1fe1b153bffc81eecbd53d5e178f8f67019
sha512
27bbcacce5575017cf91d37907465684a6037c7a209e28755cadf2f693b8ff05518e631da94f3a3b81e99d6b043a83dbf0bbba88f5200ae428010ea222a88df6
ripemd-160
6836fdffb7b6aa6a798938e69c0266a5ae41098a
Diameter
1284884030
Circumference
4036582229.3628
Area
1.2966350105725E+18
Volume
1.1106837452157E+27
Surface area
5.1865400422901E+18
Circumference
4036582229.3628
Perimeter
2569768060
Area
412731742637260225
Diagonal
908550210.6513
Surface area
2476390455823561350
Volume
2.6515621239434E+26
Space diagonal
1112742210.8969
Perimeter
1927326045
Area
1.7871808703604E+17
Altitude
556371105.44846
Surface area
1.7871808703604E+17
Volume
3.124895930963E+25
Height
302850070.2171