20149902 is an even 8-digits composite number following 20149901
and preceding 20149903 . In scientific notation, it is written as 2.0149902 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6698160 positive integers (up to 20149902) that are relatively prime to 20149902.
20149902 has 24 divisors, whose sum is 43778280
The reverse of 20149902 is 20994102
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-nine thousand nine hundred two
Scientific notation
2.0149902 × 10^7
Engineering notation
2.0149902 × 10^6
Prime Factorization
2 × 3 × 3 × 421 × 2659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6716634
Product of the distinct prime numbers
The prime factorization of 20149902 is 2 × 3 × 3 × 421 × 2659.
Since it has a total of 5 prime factors.
8 , 3 , 58 , 89 , 870 , 178 , 7184 , 5151 , 52013 , 64619 , 37797 , 699139 , 4824993 , 4643923 , 16655683 , 64275720 , 961779447 , 814019625 , 9774374649 , 3568696602
n×2
40299804
n×3
60449706
n×4
80599608
n×5
100749510
n÷2
10074951
n÷3
6716634
n÷3
5037475.5
n÷5
4029980.4
n2
406018550609604
n3
8.1812340049656E+21
n4
1.6485106343912E+29
n5
3.3217327728941E+36
2 √n
4488.8642216044
3 √n
272.11823543369
4 √n
66.998986720729
5 √n
28.897121745125
1 , 2 , 3 , 6 , 9 , 18 , 421 , 842 , 1263 , 2526 , 2659 , 3789 , 5318 , 7578 , 7977 , 15954 , 23931 , 47862 , 1119439 , 2238878 , 3358317 , 6716634 , 10074951 , 20149902
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149901
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149902 can be divided by 24 positive divisors.
The sum of these divisors (counting 20149902) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110111011010001110
3
Ternary
1101220201110200
4
Quaternary
1030313122032
5
Quinary
20124244102
6
Senary
1555514330
8
Octal
114673216
10
Decimal
20149902
12
Duodecimal
68b89a6
16
Hexadecimal
133768e
20
Vigesimal
65ief2
36
Base36
bzvri
md5
427593085942bda70066e2c04a3307b5
sha1
1a91b26b4b09e5a91d6d4ecab7293a16b9e3d75b
sha256
6309cb382ee7f3e18b07baa4fcfc4ab12717393e608c84fb8e300d8b19fb637c
sha512
adac7008fe10651cebd5227f4a3c5150ea8d39f78134d25cc75da69807d79a040e4879ff3055f27a3ce9eff7a6e961a71362440b0fe2ab0eb39366a4f02e4a6a
ripemd-160
9fba4febbc99df1613ef73d42db211d658703283
Diameter
40299804
Circumference
126605568.18751
Area
1.2755448958163E+15
Volume
3.4269472863065E+22
Surface area
5.1021795832652E+15
Circumference
126605568.18751
Perimeter
80599608
Area
406018550609604
Diagonal
28496264.688889
Surface area
2436111303657624
Volume
8.1812340049656E+21
Space diagonal
34900654.031534
Perimeter
60449706
Area
1.7581118961783E+14
Altitude
17450327.015767
Surface area
1.7581118961783E+14
Volume
9.6416767389752E+20
Height
9498754.8962963