20351621 is an odd 8-digits composite number following 20351620
and preceding 20351622 . In scientific notation, it is written as 2.0351621 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 19855200 positive integers (up to 20351621) that are relatively prime to 20351621.
20351621 has 4 divisors, whose sum is 20848044
The reverse of 20351621 is 12615302
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million three hundred fifty-one thousand six hundred twenty-one
Scientific notation
2.0351621 × 10^7
Engineering notation
2.0351621 × 10^6
Prime Factorization
41 × 496381
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20351621
Product of the distinct prime numbers
The prime factorization of 20351621 is 41 × 496381.
Since it has a total of 2 prime factors.
4 , 8 , 94 , 99 , 426 , 748 , 7524 , 3645 , 62849 , 75223 , 578430 , 35556 , 4583814 , 5468275 , 24040815 , 19589054 , 936518209 , 402776600 , 9850961034 , 3446005997
n×2
40703242
n×3
61054863
n×4
81406484
n×5
101758105
n÷2
10175810.5
n÷3
6783873.6666667
n÷3
5087905.25
n÷5
4070324.2
n2
414188477327641
n3
8.4294069131392E+21
n4
1.7155209475099E+29
n5
3.4913632141282E+36
2 √n
4511.2770919109
3 √n
273.02327307217
4 √n
67.166041210651
5 √n
28.954748783522
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
-20351620
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 20351621 can be divided by 4 positive divisors.
The sum of these divisors (counting 20351621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101101000101010000101
3
Ternary
1102021222011202
4
Quaternary
1031220222011
5
Quinary
20202222441
6
Senary
2004112245
8
Octal
115505205
10
Decimal
20351621
12
Duodecimal
6995685
16
Hexadecimal
1368a85
20
Vigesimal
673j11
36
Base36
c47et
md5
afcca5937338719d6e09ecbbbaf14f3f
sha1
51a109ab9aa81222f5be16c21e41b51bca944833
sha256
04fc0177ccdc25d3960a7b8da0969ad62364c10ed61e4ab12ebcf8df66b7239f
sha512
75571760e0da44839b2965e5ec5e11f8a8864285a0d8ecc4336df4950492b799dd26e753743b3e788284c8fb94a3fdcfcfb4d2ab3826d8732c3d2a12b188c535
ripemd-160
4304320754af636fc2602b1589841e3cc894c500
Diameter
40703242
Circumference
127873006.04449
Area
1.3012114775741E+15
Volume
3.5309017109916E+22
Surface area
5.2048459102962E+15
Circumference
127873006.04449
Perimeter
81406484
Area
414188477327641
Diagonal
28781538.434477
Surface area
2485130863965846
Volume
8.4294069131392E+21
Space diagonal
35250041.588386
Perimeter
61054863
Area
1.7934887166027E+14
Altitude
17625020.794193
Surface area
1.7934887166027E+14
Volume
9.9341513161025E+20
Height
9593846.1448257