21686869 is an odd 8-digits prime number following 21686868
and preceding 21686870 . In scientific notation, it is written as 2.1686869 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 21686868 positive integers (up to 21686869) that are relatively prime to 21686869.
21686869 has 2 divisors, whose sum is 21686870
The reverse of 21686869 is 96868612
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-one million six hundred eighty-six thousand eight hundred sixty-nine
Scientific notation
2.1686869 × 10^7
Engineering notation
2.1686869 × 10^6
Prime Factorization
21686869
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21686869
Product of the distinct prime numbers
The prime factorization of 21686869 is 21686869.
Since it has a total of 1 prime factors.
9 , 4 , 35 , 75 , 809 , 729 , 9466 , 9846 , 79096 , 31834 , 984339 , 167531 , 2170737 , 7466207 , 51730263 , 86571187 , 248768643 , 565363652 , 966086720 , 6823866963
n×2
43373738
n×3
65060607
n×4
86747476
n×5
108434345
n÷2
10843434.5
n÷3
7228956.3333333
n÷3
5421717.25
n÷5
4337373.8
n2
470320287023161
n3
1.0199774452714E+22
n4
2.2120117238555E+29
n5
4.7971608481718E+36
2 √n
4656.9162543469
3 √n
278.86817339917
4 √n
68.24160207928
5 √n
29.325091185933
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21686870
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10843435
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4656.916361714
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999077783
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21686869 can be divided by 2 positive divisors.
The sum of these divisors (counting 21686869) is 21686870, the average is 10843435.
Base
System
Value
2
Binary
1010010101110101001010101
3
Ternary
1111210210210101
4
Quaternary
1102232221111
5
Quinary
21022434434
6
Senary
2052454101
8
Octal
122565125
10
Decimal
21686869
12
Duodecimal
731a331
16
Hexadecimal
14aea55
20
Vigesimal
6fah39
36
Base36
cwtp1
md5
5b678097615cb7a6963ac91899f8c832
sha1
619500eb1cb345b0ccd3e3174987028e1b162916
sha256
83c9326ea8189d2f95438dd50b4b42e4e2d2d34aae8de50d79b8e7f9912f0b50
sha512
43fd5d42be95bac1dac556fe370d204450c4e985198af87aae5a4a23c3ef622486fd5b551fcd2f8b59457c4d865343cac83caef5d2e158c6cb1660e9ad25cea3
ripemd-160
20e90fb67fee4e6f3a56cd462fcb4a142eef0aed
Diameter
43373738
Circumference
136262616.65953
Area
1.4775547585462E+15
Volume
4.2724715318558E+22
Surface area
5.9102190341848E+15
Circumference
136262616.65953
Perimeter
86747476
Area
470320287023161
Diagonal
30669864.265209
Surface area
2821921722138966
Volume
1.0199774452714E+22
Space diagonal
37562758.96509
Perimeter
65060607
Area
2.0365465823862E+14
Altitude
18781379.482545
Surface area
2.0365465823862E+14
Volume
1.2020549470145E+21
Height
10223288.088403