20787740 is an even 8-digits composite number following 20787739
and preceding 20787741 . In scientific notation, it is written as 2.0787740 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 8315088 positive integers (up to 20787740) that are relatively prime to 20787740.
20787740 has 12 divisors, whose sum is 43654296
The reverse of 20787740 is 04778702
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million seven hundred eighty-seven thousand seven hundred forty
Scientific notation
2.0787740 × 10^7
Engineering notation
2.0787740 × 10^6
Prime Factorization
2 × 2 × 5 × 1039387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10393870
Product of the distinct prime numbers
The prime factorization of 20787740 is 2 × 2 × 5 × 1039387.
Since it has a total of 4 prime factors.
5 , 5 , 19 , 14 , 603 , 261 , 4273 , 266 , 36547 , 23758 , 120526 , 610832 , 4681858 , 4643234 , 21154437 , 70623952 , 23817168 , 577893029 , 6001264717 , 5072545900
n×2
41575480
n×3
62363220
n×4
83150960
n×5
103938700
n÷2
10393870
n÷3
6929246.6666667
n÷3
5196935
n÷5
4157548
n2
432130134307600
n3
8.9830088781515E+21
n4
1.867364529767E+29
n5
3.881828833002E+36
2 √n
4559.3574108639
3 √n
274.95972964038
4 √n
67.523013934983
5 √n
29.077793984672
1 , 2 , 4 , 5 , 10 , 20 , 1039387 , 2078774 , 4157548 , 5196935 , 10393870 , 20787740
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20787739
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20787740 can be divided by 12 positive divisors.
The sum of these divisors (counting 20787740) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010011001000011100
3
Ternary
1110010010102022
4
Quaternary
1033103020130
5
Quinary
20310201430
6
Senary
2021315312
8
Octal
117231034
10
Decimal
20787740
12
Duodecimal
6b65b38
16
Hexadecimal
13d321c
20
Vigesimal
69i970
36
Base36
cdjx8
md5
1f1affae30435651a09ed10ee4eccb93
sha1
37561c06b05ed0a8f5c408591de7175a86d372f9
sha256
bcfb471d3ed76d7cee63247593bc0e9706626007a9d518dea98647434b23459b
sha512
35e0ec4419c98dd20764c1f57058942447d694adce6836ce9a9ad23ed014d07855055ce1d37dea371e6dd6c815480cf45aa06012d74bb4db958328f6d6cd5d79
ripemd-160
bfee886895e9e7efc1913ffc0d3411cba1da4692
Diameter
41575480
Circumference
130613222.53747
Area
1.3575768553355E+15
Volume
3.762793959831E+22
Surface area
5.4303074213421E+15
Circumference
130613222.53747
Perimeter
83150960
Area
432130134307600
Diagonal
29398303.839086
Surface area
2592780805845600
Volume
8.9830088781515E+21
Space diagonal
36005421.854532
Perimeter
62363220
Area
1.8711783702558E+14
Altitude
18002710.927266
Surface area
1.8711783702558E+14
Volume
1.0586577488666E+21
Height
9799434.6130286