21231415 is an odd 8-digits composite number following 21231414
and preceding 21231416 . In scientific notation, it is written as 2.1231415 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 16200096 positive integers (up to 21231415) that are relatively prime to 21231415.
21231415 has 16 divisors, whose sum is 26712000
The reverse of 21231415 is 51413212
Previous prime number is 529
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million two hundred thirty-one thousand four hundred fifteen
Scientific notation
2.1231415 × 10^7
Engineering notation
2.1231415 × 10^6
Prime Factorization
5 × 23 × 529 × 349
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21231415
Product of the distinct prime numbers
The prime factorization of 21231415 is 5 × 23 × 529 × 349.
Since it has a total of 4 prime factors.
4 , 7 , 67 , 50 , 491 , 971 , 2586 , 1610 , 28958 , 37158 , 38090 , 753481 , 6672905 , 5758359 , 201427 , 57409870 , 908916512 , 56243053 , 6829361508 , 540413893
n×2
42462830
n×3
63694245
n×4
84925660
n×5
106157075
n÷2
10615707.5
n÷3
7077138.3333333
n÷3
5307853.75
n÷5
4246283
n2
450772982902225
n3
9.570548270785E+21
n4
2.0319628211457E+29
n5
4.3141445920315E+36
2 √n
4607.7559614198
3 √n
276.90214062002
4 √n
67.880453456204
5 √n
29.200869799503
1 , 5 , 23 , 115 , 349 , 529 , 1745 , 2645 , 8027 , 12167 , 40135 , 60835 , 184621 , 923105 , 4246283 , 21231415
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
-21231414
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 21231415 can be divided by 16 positive divisors.
The sum of these divisors (counting 21231415) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000111111011100110111
3
Ternary
1110221200000201
4
Quaternary
1100333130313
5
Quinary
20413401130
6
Senary
2035021331
8
Octal
120773467
10
Decimal
21231415
12
Duodecimal
713a847
16
Hexadecimal
143f737
20
Vigesimal
6cdiaf
36
Base36
cn29j
md5
da721ad15f64c752c55269d148592017
sha1
9f71bbb838d1a7675c0262fb7914f94a33ed8b7e
sha256
68a805e18792034a33d16957ec9a2c43a0ddb41ec68884e9eb4fd58a6070eddf
sha512
46e4065f2d757ad204a4e75931407ce5b67f4a32351e963b1fd20be765e7f95b78d093629c1c8fb812253a900bc2db84c0b34cbf6e3be3e7e29aabae2330c14e
ripemd-160
9dfb4648b8d3cfea67e7efe71d492b989158f8eb
Diameter
42462830
Circumference
133400914.77863
Area
1.4161450915224E+15
Volume
4.00890188511E+22
Surface area
5.6645803660896E+15
Circumference
133400914.77863
Perimeter
84925660
Area
450772982902225
Diagonal
30025755.041372
Surface area
2704637897413350
Volume
9.570548270785E+21
Space diagonal
36773889.49658
Perimeter
63694245
Area
1.9519042726651E+14
Altitude
18386944.74829
Surface area
1.9519042726651E+14
Volume
1.1278999303242E+21
Height
10008585.013791