21874421 is an odd 8-digits prime number following 21874420
and preceding 21874422 . In scientific notation, it is written as 2.1874421 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21874420 positive integers (up to 21874421) that are relatively prime to 21874421.
21874421 has 2 divisors, whose sum is 21874422
The reverse of 21874421 is 12447812
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 29 Digital Root 2
Name
twenty-one million eight hundred seventy-four thousand four hundred twenty-one
Scientific notation
2.1874421 × 10^7
Engineering notation
2.1874421 × 10^6
Prime Factorization
21874421
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21874421 Product of the distinct prime numbers
The prime factorization of 21874421 is 21874421.
Since it has a total of 1 prime factors.
7 , 10 , 80 , 47 , 768 , 829 , 9439 , 2297 , 29353 , 28540 , 476810 , 12949 , 4092637 , 9768525 , 53829703 , 29592353 , 780669053 , 176727547 , 8466721878 , 2911609993
n×2
43748842
n×3
65623263
n×4
87497684
n×5
109372105
n÷2
10937210.5
n÷3
7291473.6666667
n÷3
5468605.25
n÷5
4374884.2
n2
478490294085241
n3
1.0466698137234E+22
n4
2.2895296153378E+29
n5
5.0082134697867E+36
2 √n4677.0098353542
3 √n279.6697679904
4 √n68.3886674483
5 √n29.375638378354
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21874422 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10937211 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4677.0099422601 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999908569 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21874421 can be divided by 2 positive divisors.
The sum of these divisors (counting 21874421) is 21874422, the average is 10937211.
Base
System
Value
2
Binary
1010011011100011011110101
3
Ternary
1112011100001202
4
Quaternary
1103130123311
5
Quinary
21044440141
6
Senary
2100502245
8
Octal
123343365
10
Decimal
21874421
12
Duodecimal
73aa985
16
Hexadecimal
14dc6f5
20
Vigesimal
6ge611
36
Base36
d0uet
md5
70fb1ad0c8922184a984846590a050a6
sha1
2f84fe13580c606dcb0e9963a900470dfecec0bc
sha256
0cb963fbf8b6a6dbf0e15025f038ecb2bbc468fa7ec107c3b48f38781d4e20a4
sha512
35e4c9a5c6aca472ad7deea7d2008357623793161191e00debc5bf6820595e5b9bdb311547f28e2c0e99047b861ae7f3d5cb4cdd9f2462a23ef4351728ecf058
ripemd-160
7dc0fe21e7a0202ac2328aa8d371cb31d6aa3fec
Diameter
43748842
Circumference
137441040.63026
Area
1.5032215927122E+15
Volume
4.3842802633703E+22
Surface area
6.0128863708489E+15
Circumference
137441040.63026
Perimeter
87497684
Area
478490294085241
Diagonal
30935102.847259
Surface area
2870941764511446
Volume
1.0466698137234E+22
Space diagonal
37887608.558152
Perimeter
65623263
Area
2.0719237507105E+14
Altitude
18943804.279076
Surface area
2.0719237507105E+14
Volume
1.2335122049118E+21
Height
10311700.949086