21016912 is an even 8-digits composite number following 21016911
and preceding 21016913 . In scientific notation, it is written as 2.1016912 × 10^7.
The sum of its digits is 22. It has a total of 6 prime factors and 20 positive divisors.
There are 9007200 positive integers (up to 21016912) that are relatively prime to 21016912.
21016912 has 20 divisors, whose sum is 46537696
The reverse of 21016912 is 21961012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million sixteen thousand nine hundred twelve
Scientific notation
2.1016912 × 10^7
Engineering notation
2.1016912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 187651
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2627114
Product of the distinct prime numbers
The prime factorization of 21016912 is 2 × 2 × 2 × 2 × 7 × 187651.
Since it has a total of 6 prime factors.
4 , 8 , 6 , 56 , 181 , 310 , 8064 , 4786 , 47724 , 33103 , 496574 , 521601 , 2344292 , 2676077 , 38776542 , 79700101 , 735604232 , 281230791 , 5470961992 , 3588524869
n×2
42033824
n×3
63050736
n×4
84067648
n×5
105084560
n÷2
10508456
n÷3
7005637.3333333
n÷3
5254228
n÷5
4203382.4
n2
441710590015744
n3
9.283392599829E+21
n4
1.9510824533206E+29
n5
4.1005728226182E+36
2 √n
4584.4205740748
3 √n
275.96645955231
4 √n
67.708349367525
5 √n
29.141626063654
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 187651 , 375302 , 750604 , 1313557 , 1501208 , 2627114 , 3002416 , 5254228 , 10508456 , 21016912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21016911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21016912 can be divided by 20 positive divisors.
The sum of these divisors (counting 21016912) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000001011000101010000
3
Ternary
1110112202210011
4
Quaternary
1100023011100
5
Quinary
20340020122
6
Senary
2030244304
8
Octal
120130520
10
Decimal
21016912
12
Duodecimal
7056694
16
Hexadecimal
140b150
20
Vigesimal
6b725c
36
Base36
cigr4
md5
de85f073fbb7d436dbcbfcb065af61e6
sha1
847b2bf8bb88adc09e71c4b46cd48cd1ec50706a
sha256
a0777770933983d1319c4496b58d2255c831304b3e08c70a92260418818c9e96
sha512
5c055ce373f38a791bdbe4d3b671025b4360431de82b7401c85c3b2117ff2d7b0f554c028d38707b076f883ae0cb61327ab7d30789c77574a5446a8f5210d3ca
ripemd-160
94d8e49917bb0b0c2c68139b93b0204404cf1c4a
Diameter
42033824
Circumference
132053152.68069
Area
1.3876747446063E+15
Volume
3.888618398935E+22
Surface area
5.5506989784251E+15
Circumference
132053152.68069
Perimeter
84067648
Area
441710590015744
Diagonal
29722401.989602
Surface area
2650263540094464
Volume
9.283392599829E+21
Space diagonal
36402359.402204
Perimeter
63050736
Area
1.9126629603712E+14
Altitude
18201179.701102
Surface area
1.9126629603712E+14
Volume
1.0940583099593E+21
Height
9907467.3298673