20289990 is an even 8-digits composite number following 20289989
and preceding 20289991 . In scientific notation, it is written as 2.0289990 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 4547712 positive integers (up to 20289990) that are relatively prime to 20289990.
20289990 has 32 divisors, whose sum is 39004416
The reverse of 20289990 is 09998202
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million two hundred eighty-nine thousand nine hundred ninety
Scientific notation
2.0289990 × 10^7
Engineering notation
2.0289990 × 10^6
Prime Factorization
2 × 21 × 5 × 53 × 1823
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20289990
Product of the distinct prime numbers
The prime factorization of 20289990 is 2 × 21 × 5 × 53 × 1823.
Since it has a total of 5 prime factors.
2 , 5 , 6 , 27 , 246 , 979 , 5022 , 9619 , 26134 , 16395 , 696050 , 68092 , 1991795 , 9039329 , 77126544 , 78031366 , 585678912 , 153463773 , 1113953433 , 1786719104
n×2
40579980
n×3
60869970
n×4
81159960
n×5
101449950
n÷2
10144995
n÷3
6763330
n÷3
5072497.5
n÷5
4057998
n2
411683694200100
n3
8.3530580384831E+21
n4
1.6948346407024E+29
n5
3.4388177911506E+36
2 √n
4504.4411418066
3 √n
272.74739477797
4 √n
67.115133478275
5 √n
28.937190716009
1 , 2 , 5 , 10 , 21 , 42 , 53 , 105 , 106 , 210 , 265 , 530 , 1113 , 1823 , 2226 , 3646 , 5565 , 9115 , 11130 , 18230 , 38283 , 76566 , 96619 , 191415 , 193238 , 382830 , 483095 , 966190 , 2028999 , 4057998 , 10144995 , 20289990
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20289989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20289990 can be divided by 32 positive divisors.
The sum of these divisors (counting 20289990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101011001100111000110
3
Ternary
1102011211122010
4
Quaternary
1031121213012
5
Quinary
20143234430
6
Senary
2002515050
8
Octal
115314706
10
Decimal
20289990
12
Duodecimal
6965a86
16
Hexadecimal
13599c6
20
Vigesimal
66g4ja
36
Base36
c2vuu
md5
8e066c60f78ca69a0df38b7bb2d62e9e
sha1
e3d8f19e1d037896b0a774b77f4a270d5ee56c5b
sha256
c31a730f2a12322f0b10f8a70ea989b4418e7ec5fc55fda16839f525d3a28369
sha512
843cce5d52c7ec38bd2730832c973695d3a34d252dd9203474ec1c8f39fbeeed16ec631904be7bd4d3862d1923fe2737be2a38fd91dd9965206cf07b8f41088a
ripemd-160
cf3921dafa73446d3f14c424439d49c846c4f7a9
Diameter
40579980
Circumference
127485767.05082
Area
1.2933424693017E+15
Volume
3.498920769161E+22
Surface area
5.173369877207E+15
Circumference
127485767.05082
Perimeter
81159960
Area
411683694200100
Diagonal
28694379.038414
Surface area
2470102165200600
Volume
8.3530580384831E+21
Space diagonal
35143293.565064
Perimeter
60869970
Area
1.7826426875056E+14
Altitude
17571646.782532
Surface area
1.7826426875056E+14
Volume
9.844173304427E+20
Height
9564793.0128048