21969931 is an odd 8-digits composite number following 21969930
and preceding 21969932 . In scientific notation, it is written as 2.1969931 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 21352032 positive integers (up to 21969931) that are relatively prime to 21969931.
21969931 has 8 divisors, whose sum is 22595760
The reverse of 21969931 is 13996912
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million nine hundred sixty-nine thousand nine hundred thirty-one
Scientific notation
2.1969931 × 10^7
Engineering notation
2.1969931 × 10^6
Prime Factorization
109 × 53 × 3803
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21969931
Product of the distinct prime numbers
The prime factorization of 21969931 is 109 × 53 × 3803.
Since it has a total of 3 prime factors.
6 , 6 , 9 , 45 , 454 , 179 , 4868 , 1884 , 8453 , 80233 , 768405 , 604238 , 3625865 , 6162981 , 42993624 , 4280613 , 800910070 , 884209069 , 3271216279 , 7954266065
n×2
43939862
n×3
65909793
n×4
87879724
n×5
109849655
n÷2
10984965.5
n÷3
7323310.3333333
n÷3
5492482.75
n÷5
4393986.2
n2
482677868144761
n3
1.0604399458367E+22
n4
2.3297792439677E+29
n5
5.1185089235203E+36
2 √n
4687.2092976525
3 √n
280.07621649675
4 √n
68.463196665453
5 √n
29.40124618649
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21969930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21969931 can be divided by 8 positive divisors.
The sum of these divisors (counting 21969931) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011110011110000001011
3
Ternary
1112100012002011
4
Quaternary
1103303300023
5
Quinary
21111014211
6
Senary
2102520351
8
Octal
123636013
10
Decimal
21969931
12
Duodecimal
74360b7
16
Hexadecimal
14f3c0b
20
Vigesimal
6h64gb
36
Base36
d2w3v
md5
c4a8c4505a2c867b4e3949658e09e465
sha1
23b8c8697e8bd171b8584acf9fce253695634000
sha256
59780adae2977d9a249b6be570e7c337b3be55b152ecb7386353d9ed1104b81e
sha512
a6366b5b0b53e3c45df924ca8ea77190892e0d725ac3ad48854a455975a0776913300845f0f08b09422197763df02f4ecd22e357f989ae30fd831c5df87b7361
ripemd-160
0cb8dad77e0a5acc0f22c317f8df861ab4d659e9
Diameter
43939862
Circumference
138041147.65895
Area
1.516377244614E+15
Volume
4.4419604578852E+22
Surface area
6.0655089784559E+15
Circumference
138041147.65895
Perimeter
87879724
Area
482677868144761
Diagonal
31070174.384601
Surface area
2896067208868566
Volume
1.0604399458367E+22
Space diagonal
38053036.730783
Perimeter
65909793
Area
2.0900564782894E+14
Altitude
19026518.365391
Surface area
2.0900564782894E+14
Volume
1.2497404612371E+21
Height
10356724.794867