21291267 is an odd 8-digits composite number following 21291266
and preceding 21291268 . In scientific notation, it is written as 2.1291267 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 13255200 positive integers (up to 21291267) that are relatively prime to 21291267.
21291267 has 16 divisors, whose sum is 30309120
The reverse of 21291267 is 76219212
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million two hundred ninety-one thousand two hundred sixty-seven
Scientific notation
2.1291267 × 10^7
Engineering notation
2.1291267 × 10^6
Prime Factorization
3 × 19 × 71 × 5261
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21291267
Product of the distinct prime numbers
The prime factorization of 21291267 is 3 × 19 × 71 × 5261.
Since it has a total of 4 prime factors.
5 , 4 , 59 , 25 , 368 , 628 , 8853 , 5833 , 24153 , 80828 , 771653 , 628381 , 6453412 , 9234922 , 58591073 , 25276698 , 700055962 , 653824379 , 7741245670 , 7544607589
n×2
42582534
n×3
63873801
n×4
85165068
n×5
106456335
n÷2
10645633.5
n÷3
7097089
n÷3
5322816.75
n÷5
4258253.4
n2
453318050465289
n3
9.6517156483759E+21
n4
2.0549725487765E+29
n5
4.3752969213671E+36
2 √n
4614.2460922669
3 √n
277.16209499838
4 √n
67.928242228596
5 √n
29.217314893003
1 , 3 , 19 , 57 , 71 , 213 , 1349 , 4047 , 5261 , 15783 , 99959 , 299877 , 373531 , 1120593 , 7097089 , 21291267
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
-21291266
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 21291267 can be divided by 16 positive divisors.
The sum of these divisors (counting 21291267) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001110000100000011
3
Ternary
1111001201010110
4
Quaternary
1101032010003
5
Quinary
20422310032
6
Senary
2040202403
8
Octal
121160403
10
Decimal
21291267
12
Duodecimal
7169403
16
Hexadecimal
144e103
20
Vigesimal
6d1837
36
Base36
cocg3
md5
128f53f5cf7c66d3af97abf607c17c1b
sha1
cef92fd4fa196553dde366dd95c954c6fd28e435
sha256
0874047671d627c0852b2802e875c8feea79b8fc39d35b8b7e6ad4e6bc60aec3
sha512
f1b47fbd7143d2e2ccce7f1e30fceecca421937e21b7bdb2adf595f19bcecd6b4ce1e3ca88485845e0329bbbd9e3e70dfaf0b63429f7f5d3879b8a2f8f07424b
ripemd-160
2db19a934916fdfbed18957787b80d79231a2fa0
Diameter
42582534
Circumference
133776975.98564
Area
1.4241406570814E+15
Volume
4.0429011967301E+22
Surface area
5.6965626283256E+15
Circumference
133776975.98564
Perimeter
85165068
Area
453318050465289
Diagonal
30110398.551507
Surface area
2719908302791734
Volume
9.6517156483759E+21
Space diagonal
36877556.201515
Perimeter
63873801
Area
1.9629247384849E+14
Altitude
18438778.100757
Surface area
1.9629247384849E+14
Volume
1.1374655975085E+21
Height
10036799.517169