21690214 is an even 8-digits composite number following 21690213
and preceding 21690215 . In scientific notation, it is written as 2.1690214 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors.
There are 8346240 positive integers (up to 21690214) that are relatively prime to 21690214.
21690214 has 32 divisors, whose sum is 41138496
The reverse of 21690214 is 41209612
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million six hundred ninety thousand two hundred fourteen
Scientific notation
2.1690214 × 10^7
Engineering notation
2.1690214 × 10^6
Prime Factorization
2 × 7 × 13 × 37 × 3221
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21690214
Product of the distinct prime numbers
The prime factorization of 21690214 is 2 × 7 × 13 × 37 × 3221.
Since it has a total of 5 prime factors.
2 , 9 , 38 , 59 , 640 , 81 , 6565 , 9123 , 21528 , 43896 , 303511 , 290754 , 7833739 , 6493934 , 30093904 , 3528733 , 880653384 , 224245946 , 4964990309 , 2981535582
n×2
43380428
n×3
65070642
n×4
86760856
n×5
108451070
n÷2
10845107
n÷3
7230071.3333333
n÷3
5422553.5
n÷5
4338042.8
n2
470465383365796
n3
1.0204494844796E+22
n4
2.2133767694553E+29
n5
4.8008615792113E+36
2 √n
4657.275383741
3 √n
278.8825102787
4 √n
68.244233336898
5 √n
29.325995755225
1 , 2 , 7 , 13 , 14 , 26 , 37 , 74 , 91 , 182 , 259 , 481 , 518 , 962 , 3221 , 3367 , 6442 , 6734 , 22547 , 41873 , 45094 , 83746 , 119177 , 238354 , 293111 , 586222 , 834239 , 1549301 , 1668478 , 3098602 , 10845107 , 21690214
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
-21690213
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 21690214 can be divided by 32 positive divisors.
The sum of these divisors (counting 21690214) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010101111011101100110
3
Ternary
1111210222101021
4
Quaternary
1102233131212
5
Quinary
21023041324
6
Senary
2052521354
8
Octal
122573546
10
Decimal
21690214
12
Duodecimal
732025a
16
Hexadecimal
14af766
20
Vigesimal
6fb5ae
36
Base36
cww9y
md5
aeef24258b94f1aba8cb38c336f932ef
sha1
b0f47fdef8d865dbcd321bef82b5aef2c8c3b4d1
sha256
9a26826e88aec8a3baaf9160770d8b8f738fafa338c18f0b7a2e56798e6e413a
sha512
66ee0684e3838ed0b4a4fa9e92b2b4b6bf79909baf4f5439358c99560cadd08b520b3f80c7e89afd8fd17dbe14b56ea63e857069a9987f2773ac495f143d3759
ripemd-160
18cffd7c8e51468997bafbd9559418028aa861cc
Diameter
43380428
Circumference
136283633.91438
Area
1.4780105921503E+15
Volume
4.2744488050675E+22
Surface area
5.9120423686012E+15
Circumference
136283633.91438
Perimeter
86760856
Area
470465383365796
Diagonal
30674594.809575
Surface area
2822792300194776
Volume
1.0204494844796E+22
Space diagonal
37568552.675042
Perimeter
65070642
Area
2.0371748679798E+14
Altitude
18784276.337521
Surface area
2.0371748679798E+14
Volume
1.2026112505564E+21
Height
10224864.936525