20156621 is an odd 8-digits prime number following 20156620
and preceding 20156622 . In scientific notation, it is written as 2.0156621 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 20156620 positive integers (up to 20156621) that are relatively prime to 20156621.
20156621 has 2 divisors, whose sum is 20156622
The reverse of 20156621 is 12665102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred fifty-six thousand six hundred twenty-one
Scientific notation
2.0156621 × 10^7
Engineering notation
2.0156621 × 10^6
Prime Factorization
20156621
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20156621
Product of the distinct prime numbers
The prime factorization of 20156621 is 20156621.
Since it has a total of 1 prime factors.
1 , 10 , 42 , 98 , 856 , 782 , 2480 , 4594 , 86336 , 86807 , 749222 , 38291 , 9257338 , 5623490 , 77772612 , 31992725 , 180908522 , 918260994 , 4476954078 , 6354265741
n×2
40313242
n×3
60469863
n×4
80626484
n×5
100783105
n÷2
10078310.5
n÷3
6718873.6666667
n÷3
5039155.25
n÷5
4031324.2
n2
406289370137641
n3
8.1894208501931E+21
n4
1.6507105228684E+29
n5
3.327274639017E+36
2 √n
4489.6125668035
3 √n
272.14847808266
4 √n
67.004571238114
5 √n
28.899048641534
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20156622
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10078311
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4489.6126781717
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999900777
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20156621 can be divided by 2 positive divisors.
The sum of these divisors (counting 20156621) is 20156622, the average is 10078311.
Base
System
Value
2
Binary
1001100111001000011001101
3
Ternary
1101221001200112
4
Quaternary
1030321003031
5
Quinary
20130002441
6
Senary
2000005405
8
Octal
114710315
10
Decimal
20156621
12
Duodecimal
6900865
16
Hexadecimal
13390cd
20
Vigesimal
65jbb1
36
Base36
c00y5
md5
d98b8c2e2528f9516ba78a8c80bc661c
sha1
20f64b7177f8a0bacf7d4416eb5801b701f7799c
sha256
aa2c0abeaea16adae4f02f3402f4b2eb069098e622fac2612d8b8c37c51831e7
sha512
f5df165980116dfff0a8f5012953da780773e3e134b26052e457945e7935576b546323e093d4ba429b75c784cf81867b293ad46d38cbed5405fbbb028fcf7781
ripemd-160
77e06681bed08168a586d32aeff55a1eed8a4d36
Diameter
40313242
Circumference
126647784.90959
Area
1.276395700456E+15
Volume
3.4303765840162E+22
Surface area
5.1055828018241E+15
Circumference
126647784.90959
Perimeter
80626484
Area
406289370137641
Diagonal
28505766.789814
Surface area
2437736220825846
Volume
8.1894208501931E+21
Space diagonal
34912291.68091
Perimeter
60469863
Area
1.7592845791339E+14
Altitude
17456145.840455
Surface area
1.7592845791339E+14
Volume
9.6513250286035E+20
Height
9501922.2632714