20170621 is an odd 8-digits composite number following 20170620
and preceding 20170622 . In scientific notation, it is written as 2.0170621 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 20159932 positive integers (up to 20170621) that are relatively prime to 20170621.
20170621 has 4 divisors, whose sum is 20181312
The reverse of 20170621 is 12607102
Previous prime number is 2447
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred seventy thousand six hundred twenty-one
Scientific notation
2.0170621 × 10^7
Engineering notation
2.0170621 × 10^6
Prime Factorization
2447 × 8243
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20170621
Product of the distinct prime numbers
The prime factorization of 20170621 is 2447 × 8243.
Since it has a total of 2 prime factors.
4 , 4 , 96 , 47 , 176 , 616 , 3990 , 6723 , 93815 , 73931 , 722143 , 25860 , 7304461 , 1943342 , 36542694 , 90323283 , 20726930 , 653682483 , 681301280 , 6258652024
n×2
40341242
n×3
60511863
n×4
80682484
n×5
100853105
n÷2
10085310.5
n÷3
6723540.3333333
n÷3
5042655.25
n÷5
4034124.2
n2
406853951525641
n3
8.2064968585761E+21
n4
1.6553013787203E+29
n5
3.3388456750944E+36
2 √n
4491.1714507465
3 √n
272.21147139427
4 √n
67.016202897109
5 √n
28.903061956303
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
-20170620
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 20170621 can be divided by 4 positive divisors.
The sum of these divisors (counting 20170621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100011101111101
3
Ternary
1101221202220001
4
Quaternary
1030330131331
5
Quinary
20130424441
6
Senary
2000154301
8
Octal
114743575
10
Decimal
20170621
12
Duodecimal
6908991
16
Hexadecimal
133c77d
20
Vigesimal
6616b1
36
Base36
c0br1
md5
1adbff6022ebe6fae063c8d42ee94007
sha1
7974ef01631bb9004a3a2b28cc4c10d4b19a1b37
sha256
608cd5e87c3e9e17106e9e2842c20de0884f8cfa28a53acfc047ac863c087a8f
sha512
cc80461e79139118edb0e68d378b059f08e0e319736b7d0d3cc5fd43509202e391de9722b103a50481ffcbbcd25363c00f6bbc12a9871a0a0231db4d17976c59
ripemd-160
6355219843f228ad9c2d1e21fb8f592303cfebe8
Diameter
40341242
Circumference
126735749.50389
Area
1.2781693851969E+15
Volume
3.4375293656814E+22
Surface area
5.1126775407877E+15
Circumference
126735749.50389
Perimeter
80682484
Area
406853951525641
Diagonal
28525565.779688
Surface area
2441123709153846
Volume
8.2064968585761E+21
Space diagonal
34936540.392216
Perimeter
60511863
Area
1.7617292882564E+14
Altitude
17468270.196108
Surface area
1.7617292882564E+14
Volume
9.6714492974754E+20
Height
9508521.9265625