21139967 is an odd 8-digits composite number following 21139966
and preceding 21139968 . In scientific notation, it is written as 2.1139967 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20220816 positive integers (up to 21139967) that are relatively prime to 21139967.
21139967 has 4 divisors, whose sum is 22059120
The reverse of 21139967 is 76993112
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million one hundred thirty-nine thousand nine hundred sixty-seven
Scientific notation
2.1139967 × 10^7
Engineering notation
2.1139967 × 10^6
Prime Factorization
23 × 919129
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21139967
Product of the distinct prime numbers
The prime factorization of 21139967 is 23 × 919129.
Since it has a total of 2 prime factors.
8 , 2 , 70 , 81 , 413 , 99 , 397 , 9653 , 29455 , 47630 , 618993 , 114957 , 1442614 , 5975081 , 92047136 , 38892475 , 396020021 , 915552280 , 5305060371 , 5142147364
n×2
42279934
n×3
63419901
n×4
84559868
n×5
105699835
n÷2
10569983.5
n÷3
7046655.6666667
n÷3
5284991.75
n÷5
4227993.4
n2
446898204761089
n3
9.4474133010087E+21
n4
1.9971800541868E+29
n5
4.2220320438568E+36
2 √n
4597.8219843748
3 √n
276.50401061515
4 √n
67.807241385967
5 √n
29.175671537574
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21139966
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21139967 can be divided by 4 positive divisors.
The sum of these divisors (counting 21139967) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101001000111111111
3
Ternary
1110210000120202
4
Quaternary
1100221013333
5
Quinary
20402434332
6
Senary
2033034115
8
Octal
120510777
10
Decimal
21139967
12
Duodecimal
70b593b
16
Hexadecimal
14291ff
20
Vigesimal
6c29i7
36
Base36
cl3pb
md5
297c7df023b7fd34b8ad08211cbc2585
sha1
23df51f7d71833d556341c76c338e93e528a97c2
sha256
dc0c2cb5762158934ac1490d094f7671fbf10c015148a6aee25f5dfac8f83bbc
sha512
03b8ddf798c62932cc91856146393c559859fbb824d98ed69f9b04551d0ca2a212ed841e2c383982b953a7f57f85987a8164a06a753a1ef13588ca156179906e
ripemd-160
94889df87f06418f8cc688659f1ee656529d6736
Diameter
42279934
Circumference
132826330.04866
Area
1.4039721169799E+15
Volume
3.9573232295834E+22
Surface area
5.6158884679196E+15
Circumference
132826330.04866
Perimeter
84559868
Area
446898204761089
Diagonal
29896428.03952
Surface area
2681389228566534
Volume
9.4474133010087E+21
Space diagonal
36615496.914329
Perimeter
63419901
Area
1.9351259911438E+14
Altitude
18307748.457165
Surface area
1.9351259911438E+14
Volume
1.1133883349692E+21
Height
9965476.0131732