21969967 is an odd 8-digits composite number following 21969966
and preceding 21969968 . In scientific notation, it is written as 2.1969967 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 20628864 positive integers (up to 21969967) that are relatively prime to 21969967.
21969967 has 8 divisors, whose sum is 23317200
The reverse of 21969967 is 76996912
Previous prime number is 509
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-one million nine hundred sixty-nine thousand nine hundred sixty-seven
Scientific notation
2.1969967 × 10^7
Engineering notation
2.1969967 × 10^6
Prime Factorization
17 × 509 × 2539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21969967
Product of the distinct prime numbers
The prime factorization of 21969967 is 17 × 509 × 2539.
Since it has a total of 3 prime factors.
1 , 6 , 35 , 67 , 438 , 407 , 6477 , 1278 , 90881 , 73289 , 197441 , 765228 , 1931117 , 3461414 , 74140665 , 98994807 , 801926396 , 590606946 , 39971281 , 8377000600
n×2
43939934
n×3
65909901
n×4
87879868
n×5
109849835
n÷2
10984983.5
n÷3
7323322.3333333
n÷3
5492491.75
n÷5
4393993.4
n2
482679449981089
n3
1.0604451587663E+22
n4
2.3297945143405E+29
n5
5.1185508596841E+36
2 √n
4687.2131378891
3 √n
280.0763694746
4 √n
68.46322471144
5 √n
29.401255821879
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21969966
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21969967 can be divided by 8 positive divisors.
The sum of these divisors (counting 21969967) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011110011110000101111
3
Ternary
1112100012010111
4
Quaternary
1103303300233
5
Quinary
21111014332
6
Senary
2102520451
8
Octal
123636057
10
Decimal
21969967
12
Duodecimal
7436127
16
Hexadecimal
14f3c2f
20
Vigesimal
6h64i7
36
Base36
d2w4v
md5
121ecc2d061b298b196d78e5c72a6d62
sha1
25b4919a3c629f58ea44096b4c3169868688e0ba
sha256
86afdcc8620838aef9188b2b379933540ac10b4e075495b768186994b603cd79
sha512
b9322aa25a61d86b36efdacef70ad6b4efa2cd0608ebe66b4701e04d22510ca4f18e4ef85366364f14ce5d934f047d890bf200acded6a7593aec3c4104805fe5
ripemd-160
9bcd6386c7461ffe50a56af09e1bd9e7213bc6c5
Diameter
43939934
Circumference
138041373.85362
Area
1.5163822140994E+15
Volume
4.4419822937533E+22
Surface area
6.0655288563974E+15
Circumference
138041373.85362
Perimeter
87879868
Area
482679449981089
Diagonal
31070225.296289
Surface area
2896076699886534
Volume
1.0604451587663E+22
Space diagonal
38053099.084612
Perimeter
65909901
Area
2.0900633278416E+14
Altitude
19026549.542306
Surface area
2.0900633278416E+14
Volume
1.2497466047335E+21
Height
10356741.76543