20142639 is an odd 8-digits composite number following 20142638
and preceding 20142640 . In scientific notation, it is written as 2.0142639 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 12207600 positive integers (up to 20142639) that are relatively prime to 20142639.
20142639 has 4 divisors, whose sum is 20346200
The reverse of 20142639 is 93624102
Previous prime number is 99
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-two thousand six hundred thirty-nine
Scientific notation
2.0142639 × 10^7
Engineering notation
2.0142639 × 10^6
Prime Factorization
99 × 203461
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20142639
Product of the distinct prime numbers
The prime factorization of 20142639 is 99 × 203461.
Since it has a total of 2 prime factors.
8 , 8 , 90 , 63 , 520 , 236 , 1031 , 5981 , 59438 , 62167 , 993296 , 250374 , 2944861 , 993915 , 78433778 , 60931002 , 947626498 , 730702191 , 186019785 , 1438554252
n×2
40285278
n×3
60427917
n×4
80570556
n×5
100713195
n÷2
10071319.5
n÷3
6714213
n÷3
5035659.75
n÷5
4028527.8
n2
405725905884321
n3
8.1723904551759E+21
n4
1.6461351070565E+29
n5
3.3157505206666E+36
2 √n
4488.05514672
3 √n
272.08553664349
4 √n
66.992948485046
5 √n
28.89503826043
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
-20142638
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 20142639 can be divided by 4 positive divisors.
The sum of these divisors (counting 20142639) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110101101000101111
3
Ternary
1101220100111200
4
Quaternary
1030311220233
5
Quinary
20124031024
6
Senary
1555420543
8
Octal
114655057
10
Decimal
20142639
12
Duodecimal
68b4753
16
Hexadecimal
1335a2f
20
Vigesimal
65hgbj
36
Base36
bzq5r
md5
ac40bfd6f9a1b956c799e2b158b40f7e
sha1
0d95c9a7cb307bad8445e4a6fd0cbd632eb82dcb
sha256
2d7103f9855ba1f2185a612008d27211880c5b8e6e34b29cffd86d7938299556
sha512
389669ddd1fbf53ccbe1e2ea925e7cf0d24408087851f731d9d3816f70959d8548da08a630d40c8fa8777aa4b29cd128921a2d0cbd2e37a64fefcad47e9c04f9
ripemd-160
251597d5afb489efcd14e630b8f0f9e7fff1e552
Diameter
40285278
Circumference
126559933.41262
Area
1.2746255252972E+15
Volume
3.423242908833E+22
Surface area
5.098502101189E+15
Circumference
126559933.41262
Perimeter
80570556
Area
405725905884321
Diagonal
28485993.255785
Surface area
2434355435305926
Volume
8.1723904551759E+21
Space diagonal
34888074.146518
Perimeter
60427917
Area
1.7568447073464E+14
Altitude
17444037.073259
Surface area
1.7568447073464E+14
Volume
9.6312545155984E+20
Height
9495331.0852617