21689967 is an odd 8-digits composite number following 21689966
and preceding 21689968 . In scientific notation, it is written as 2.1689967 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 13217568 positive integers (up to 21689967) that are relatively prime to 21689967.
21689967 has 16 divisors, whose sum is 24192000
The reverse of 21689967 is 76998612
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-one million six hundred eighty-nine thousand nine hundred sixty-seven
Scientific notation
2.1689967 × 10^7
Engineering notation
2.1689967 × 10^6
Prime Factorization
39 × 13 × 179 × 239
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21689967
Product of the distinct prime numbers
The prime factorization of 21689967 is 39 × 13 × 179 × 239.
Since it has a total of 4 prime factors.
1 , 5 , 11 , 15 , 739 , 731 , 5360 , 4129 , 99104 , 75877 , 523800 , 384029 , 1713376 , 999924 , 78672504 , 30379483 , 737435099 , 821661395 , 1160720616 , 9844328763
n×2
43379934
n×3
65069901
n×4
86759868
n×5
108449835
n÷2
10844983.5
n÷3
7229989
n÷3
5422491.75
n÷5
4337993.4
n2
470454668461089
n3
1.0204146233917E+22
n4
2.2132759507683E+29
n5
4.8005882334059E+36
2 √n
4657.2488660152
3 √n
278.88145167163
4 √n
68.244039051152
5 √n
29.325928964238
1 , 13 , 39 , 179 , 239 , 507 , 2327 , 3107 , 6981 , 9321 , 42781 , 90753 , 121173 , 556153 , 1668459 , 21689967
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21689966
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21689967 can be divided by 16 positive divisors.
The sum of these divisors (counting 21689967) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101111011001101111
3
Ternary
1111210222001010
4
Quaternary
1102233121233
5
Quinary
21023034332
6
Senary
2052520303
8
Octal
122573157
10
Decimal
21689967
12
Duodecimal
7320093
16
Hexadecimal
14af66f
20
Vigesimal
6fb4i7
36
Base36
cww33
md5
e7782d6f7efbb449b6e6852fd384fcfb
sha1
1572db80f4ca177aba761550e13d347dae570246
sha256
588cfeaa72f7dd4f6c230fd0316a4eb6abb630b91e9af527eb043c62b72147d3
sha512
c385a44494519bbe37b0b48eae335abfdf118ec5fb323094738a449a144182519f86252ddd3eab102427620f61e5ad514e375f588797aec8372fe6a107f86273
ripemd-160
d1d0e571c1bc7efceef46bfbac263dd93712a78e
Diameter
43379934
Circumference
136282081.96761
Area
1.4779769302844E+15
Volume
4.2743027792839E+22
Surface area
5.9119077211375E+15
Circumference
136282081.96761
Perimeter
86759868
Area
470454668461089
Diagonal
30674245.498825
Surface area
2822728010766534
Volume
1.0204146233917E+22
Space diagonal
37568124.858492
Perimeter
65069901
Area
2.0371284710814E+14
Altitude
18784062.429246
Surface area
2.0371284710814E+14
Volume
1.2025701663703E+21
Height
10224748.499608