21977439 is an odd 8-digits composite number following 21977438
and preceding 21977440 . In scientific notation, it is written as 2.1977439 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 13319640 positive integers (up to 21977439) that are relatively prime to 21977439.
21977439 has 8 divisors, whose sum is 31967232
The reverse of 21977439 is 93477912
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million nine hundred seventy-seven thousand four hundred thirty-nine
Scientific notation
2.1977439 × 10^7
Engineering notation
2.1977439 × 10^6
Prime Factorization
3 × 11 × 665983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21977439
Product of the distinct prime numbers
The prime factorization of 21977439 is 3 × 11 × 665983.
Since it has a total of 3 prime factors.
2 , 6 , 63 , 35 , 391 , 116 , 967 , 7422 , 72594 , 8154 , 355099 , 57915 , 7651324 , 8772344 , 95765946 , 25039521 , 932207183 , 968735129 , 2678205759 , 836114937
n×2
43954878
n×3
65932317
n×4
87909756
n×5
109887195
n÷2
10988719.5
n÷3
7325813
n÷3
5494359.75
n÷5
4395487.8
n2
483007824998721
n3
1.0615275010432E+22
n4
2.3329655901E+29
n5
5.1272608945521E+36
2 √n
4688.0101322416
3 √n
280.10811726058
4 √n
68.469045065939
5 √n
29.403255427099
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
-21977438
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 21977439 can be divided by 8 positive divisors.
The sum of these divisors (counting 21977439) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011110101100101011111
3
Ternary
1112100120101020
4
Quaternary
1103311211133
5
Quinary
21111234224
6
Senary
2103015223
8
Octal
123654537
10
Decimal
21977439
12
Duodecimal
743a513
16
Hexadecimal
14f595f
20
Vigesimal
6h73bj
36
Base36
d31wf
md5
33d86fdcc062e2340bd377b8b708c5c2
sha1
6d1b89538e0c64f51cf87f3c5ce14930d00f0dca
sha256
ec1ced52b504a2b9a9678ea81d86c84ccd1ce25b5c74ab071af5c116181e7532
sha512
7eab35df0e521681f55355906aa5ff1106e515eafffee10125a326eb8a354bf419eef707e537b8f53588d69323f99f1ec5a9731037045a6d428c91b3bd840469
ripemd-160
478e02e3fe37a5b5f5423d08114333baef5d3cd7
Diameter
43954878
Circumference
138088321.81424
Area
1.5174138346424E+15
Volume
4.4465159984812E+22
Surface area
6.0696553385695E+15
Circumference
138088321.81424
Perimeter
87909756
Area
483007824998721
Diagonal
31080792.300027
Surface area
2898046949992326
Volume
1.0615275010432E+22
Space diagonal
38066040.968246
Perimeter
65932317
Area
2.0914852333778E+14
Altitude
19033020.484123
Surface area
2.0914852333778E+14
Volume
1.2510221573394E+21
Height
10360264.100009