20347721 is an odd 8-digits prime number following 20347720
and preceding 20347722 . In scientific notation, it is written as 2.0347721 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 20347720 positive integers (up to 20347721) that are relatively prime to 20347721.
20347721 has 2 divisors, whose sum is 20347722
The reverse of 20347721 is 12774302
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million three hundred forty-seven thousand seven hundred twenty-one
Scientific notation
2.0347721 × 10^7
Engineering notation
2.0347721 × 10^6
Prime Factorization
20347721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20347721
Product of the distinct prime numbers
The prime factorization of 20347721 is 20347721.
Since it has a total of 1 prime factors.
8 , 3 , 50 , 1 , 569 , 467 , 7262 , 3057 , 70124 , 73932 , 51018 , 585323 , 3397471 , 26105 , 67091233 , 35911823 , 414219969 , 18994790 , 1621574059 , 4322763653
n×2
40695442
n×3
61043163
n×4
81390884
n×5
101738605
n÷2
10173860.5
n÷3
6782573.6666667
n÷3
5086930.25
n÷5
4069544.2
n2
414029749893841
n3
8.4245618365397E+21
n4
1.7142063379716E+29
n5
3.4880192301477E+36
2 √n
4510.844821095
3 √n
273.00583205707
4 √n
67.162823206705
5 √n
28.953638973379
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20347722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10173861
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4510.844931939
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999017089
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20347721 can be divided by 2 positive divisors.
The sum of these divisors (counting 20347721) is 20347722, the average is 10173861.
Base
System
Value
2
Binary
1001101100111101101001001
3
Ternary
1102021202211022
4
Quaternary
1031213231021
5
Quinary
20202111341
6
Senary
2004042225
8
Octal
115475511
10
Decimal
20347721
12
Duodecimal
6993375
16
Hexadecimal
1367b49
20
Vigesimal
673961
36
Base36
c44eh
md5
e1352b2383f90c7f212dce96aae5ec84
sha1
9ad98cf7273c68ef03d9d2e8c912c83721b6a208
sha256
619c26f2d8f6f3603332b4a29b6dac1ab3ea28c92c6b42c31c9575a9c8c15c0f
sha512
f6d71f2d6801408b19b45f28a12d6b48c736f8340e9f2ca720b0f252e1e5bbc9cf22f6a5e984e40f1f32ab8028d7f10d08ea9dc6cbc11e945340318b334191b9
ripemd-160
87548180482d647b01eb8c63c0f47c6953aa244a
Diameter
40695442
Circumference
127848501.62179
Area
1.3007128206341E+15
Volume
3.5288722100515E+22
Surface area
5.2028512825364E+15
Circumference
127848501.62179
Perimeter
81390884
Area
414029749893841
Diagonal
28776023.001584
Surface area
2484178499363046
Volume
8.4245618365397E+21
Space diagonal
35243286.590236
Perimeter
61043163
Area
1.7928014066529E+14
Altitude
17621643.295118
Surface area
1.7928014066529E+14
Volume
9.928441338571E+20
Height
9592007.6671946