21139950 is an even 8-digits composite number following 21139949
and preceding 21139951 . In scientific notation, it is written as 2.1139950 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5045760 positive integers (up to 21139950) that are relatively prime to 21139950.
21139950 has 32 divisors, whose sum is 35392896
The reverse of 21139950 is 05993112
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million one hundred thirty-nine thousand nine hundred fifty
Scientific notation
2.1139950 × 10^7
Engineering notation
2.1139950 × 10^6
Prime Factorization
2 × 65 × 15 × 37 × 293
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21139950
Product of the distinct prime numbers
The prime factorization of 21139950 is 2 × 65 × 15 × 37 × 293.
Since it has a total of 5 prime factors.
2 , 5 , 5 , 12 , 784 , 474 , 5468 , 9676 , 5992 , 18023 , 805511 , 956163 , 3722851 , 5576676 , 64470591 , 92619756 , 113775648 , 240709229 , 8707970659 , 6189324212
n×2
42279900
n×3
63419850
n×4
84559800
n×5
105699750
n÷2
10569975
n÷3
7046650
n÷3
5284987.5
n÷5
4227990
n2
446897486002500
n3
9.4473905092185E+21
n4
1.9971736299535E+29
n5
4.2220150678536E+36
2 √n
4597.820135673
3 √n
276.50393649695
4 √n
67.807227753927
5 √n
29.175666845168
1 , 2 , 15 , 30 , 37 , 65 , 74 , 130 , 293 , 555 , 586 , 975 , 1110 , 1950 , 2405 , 4395 , 4810 , 8790 , 10841 , 19045 , 21682 , 36075 , 38090 , 72150 , 162615 , 285675 , 325230 , 571350 , 704665 , 1409330 , 10569975 , 21139950
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21139949
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21139950 can be divided by 32 positive divisors.
The sum of these divisors (counting 21139950) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000101001000111101110
3
Ternary
1110210000120010
4
Quaternary
1100221013232
5
Quinary
20402434300
6
Senary
2033034050
8
Octal
120510756
10
Decimal
21139950
12
Duodecimal
70b5926
16
Hexadecimal
14291ee
20
Vigesimal
6c29ha
36
Base36
cl3ou
md5
fecc2461da468864b4a1776a84a90228
sha1
30b5bacfda662e2a05c19e674b111ce4b9806cd0
sha256
97a61ccd6b6d63a2f7eb8ba1bd6678e46ffc26fcd2ed0cef3fd1be8c40352b9b
sha512
01778867c41ea8ecdcd66aebb4bcad4867bdf92005939ce2e2988fc5414c5f71acd3c1f51436d9050b86b4c5c83cb29afa88b1a1a132abaa546778f5c6e903bf
ripemd-160
26dc0b39127aede6b5e352c22f603a0aa16e7156
Diameter
42279900
Circumference
132826223.23451
Area
1.4039698589332E+15
Volume
3.9573136825807E+22
Surface area
5.6158794357328E+15
Circumference
132826223.23451
Perimeter
84559800
Area
446897486002500
Diagonal
29896403.997889
Surface area
2681384916015000
Volume
9.4473905092185E+21
Space diagonal
36615467.469466
Perimeter
63419850
Area
1.9351228788278E+14
Altitude
18307733.734733
Surface area
1.9351228788278E+14
Volume
1.113385648931E+21
Height
9965467.9992964