21969939 is an odd 8-digits composite number following 21969938
and preceding 21969940 . In scientific notation, it is written as 2.1969939 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 14646624 positive integers (up to 21969939) that are relatively prime to 21969939.
21969939 has 4 divisors, whose sum is 29293256
The reverse of 21969939 is 93996912
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-one million nine hundred sixty-nine thousand nine hundred thirty-nine
Scientific notation
2.1969939 × 10^7
Engineering notation
2.1969939 × 10^6
Prime Factorization
3 × 7323313
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21969939
Product of the distinct prime numbers
The prime factorization of 21969939 is 3 × 7323313.
Since it has a total of 2 prime factors.
8 , 10 , 56 , 7 , 835 , 783 , 1159 , 6200 , 17562 , 24437 , 949563 , 45739 , 2727664 , 4026632 , 99892731 , 16713108 , 886824635 , 632460051 , 7441915227 , 3295811658
n×2
43939878
n×3
65909817
n×4
87879756
n×5
109849695
n÷2
10984969.5
n÷3
7323313
n÷3
5492484.75
n÷5
4393987.8
n2
482678219663721
n3
1.0604411042641E+22
n4
2.3297826373774E+29
n5
5.118518242644E+36
2 √n
4687.2101510387
3 √n
280.07625049184
4 √n
68.463202897897
5 √n
29.401248327689
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
-21969938
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 21969939 can be divided by 4 positive divisors.
The sum of these divisors (counting 21969939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011110011110000010011
3
Ternary
1112100012002110
4
Quaternary
1103303300103
5
Quinary
21111014224
6
Senary
2102520403
8
Octal
123636023
10
Decimal
21969939
12
Duodecimal
7436103
16
Hexadecimal
14f3c13
20
Vigesimal
6h64gj
36
Base36
d2w43
md5
a0065c56894a55326aaa045e9b3ab517
sha1
0daf22381a76b3f7dc9d8558c6bd25d6cb7ac27e
sha256
10ad2cb40253ebdbf6a323cb98c0498a020ac3766b16f402649bfa6cd8521a59
sha512
1a0b961ca6455005e876dd0535bf61b1e7edb2a98670a606de711706e09d02279bebeb7fbe4270a3132908ea37fb6020931d5b6ad3f4c84bb23c72a37a06a1c3
ripemd-160
af50837555877c921fb5d62523b51f0099258283
Diameter
43939878
Circumference
138041197.92443
Area
1.5163783489433E+15
Volume
4.4419653102941E+22
Surface area
6.0655133957734E+15
Circumference
138041197.92443
Perimeter
87879756
Area
482678219663721
Diagonal
31070185.69831
Surface area
2896069317982326
Volume
1.0604411042641E+22
Space diagonal
38053050.587189
Perimeter
65909817
Area
2.0900580004111E+14
Altitude
19026525.293594
Surface area
2.0900580004111E+14
Volume
1.2497418264568E+21
Height
10356728.566103