21874438 is an even 8-digits composite number following 21874437
and preceding 21874439 . In scientific notation, it is written as 2.1874438 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 10834896 positive integers (up to 21874438) that are relatively prime to 21874438.
21874438 has 8 divisors, whose sum is 33118632
The reverse of 21874438 is 83447812
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million eight hundred seventy-four thousand four hundred thirty-eight
Scientific notation
2.1874438 × 10^7
Engineering notation
2.1874438 × 10^6
Prime Factorization
2 × 107 × 102217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21874438
Product of the distinct prime numbers
The prime factorization of 21874438 is 2 × 107 × 102217.
Since it has a total of 3 prime factors.
2 , 3 , 3 , 99 , 587 , 248 , 1719 , 2271 , 76881 , 31513 , 950974 , 991592 , 114673 , 4315448 , 28018994 , 81472548 , 509453649 , 705204743 , 4950671274 , 5068369088
n×2
43748876
n×3
65623314
n×4
87497752
n×5
109372190
n÷2
10937219
n÷3
7291479.3333333
n÷3
5468609.5
n÷5
4374887.6
n2
478491037815844
n3
1.0466722540258E+22
n4
2.2895367327008E+29
n5
5.0082329308187E+36
2 √n
4677.0116527544
3 √n
279.66984044008
4 √n
68.388680735589
5 √n
29.375642944287
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
-21874437
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 21874438 can be divided by 8 positive divisors.
The sum of these divisors (counting 21874438) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011011100011100000110
3
Ternary
1112011100002101
4
Quaternary
1103130130012
5
Quinary
21044440223
6
Senary
2100502314
8
Octal
123343406
10
Decimal
21874438
12
Duodecimal
73aa99a
16
Hexadecimal
14dc706
20
Vigesimal
6ge61i
36
Base36
d0ufa
md5
6c75f2efa11e8af3faa868137ec98c9d
sha1
071d948fa0435410494868f91e6fd33718b420d1
sha256
5d06d5caef71788cbee389b2e2b46e54bbe28821c8de2e643465c1ad5d5732be
sha512
1b3975407a330d3a6f71b786d6a7a50f9294d4091bec51f65286e9f57b8cfba445dfece9ad8b06907c05475487da5b1941d643b34c7760acd281b7754459965e
ripemd-160
04a2862d627568b39e5cba6f223e77275eb44eed
Diameter
43748876
Circumference
137441147.44441
Area
1.5032239292108E+15
Volume
4.3842904852851E+22
Surface area
6.0128957168432E+15
Circumference
137441147.44441
Perimeter
87497752
Area
478491037815844
Diagonal
30935126.888889
Surface area
2870946226895064
Volume
1.0466722540258E+22
Space diagonal
37887638.003015
Perimeter
65623314
Area
2.0719269711585E+14
Altitude
18943819.001508
Surface area
2.0719269711585E+14
Volume
1.2335150808358E+21
Height
10311708.962963