21271838 is an even 8-digits composite number following 21271837
and preceding 21271839 . In scientific notation, it is written as 2.1271838 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 9116496 positive integers (up to 21271838) that are relatively prime to 21271838.
21271838 has 8 divisors, whose sum is 36466032
The reverse of 21271838 is 83817212
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million two hundred seventy-one thousand eight hundred thirty-eight
Scientific notation
2.1271838 × 10^7
Engineering notation
2.1271838 × 10^6
Prime Factorization
2 × 7 × 1519417
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21271838
Product of the distinct prime numbers
The prime factorization of 21271838 is 2 × 7 × 1519417.
Since it has a total of 3 prime factors.
4 , 1 , 100 , 33 , 34 , 719 , 7400 , 6220 , 37425 , 15366 , 676342 , 420846 , 543113 , 9199307 , 76539732 , 93325770 , 843023640 , 30039795 , 5519275385 , 2322042820
n×2
42543676
n×3
63815514
n×4
85087352
n×5
106359190
n÷2
10635919
n÷3
7090612.6666667
n÷3
5317959.5
n÷5
4254367.6
n2
452491091898244
n3
9.6253172033026E+21
n4
2.0474818824727E+29
n5
4.3553702911893E+36
2 √n
4612.1402840764
3 √n
277.07776275131
4 √n
67.912740219169
5 √n
29.211980588292
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
-21271837
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 21271838 can be divided by 8 positive divisors.
The sum of these divisors (counting 21271838) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001001001010100011110
3
Ternary
1111000201110212
4
Quaternary
1101021110132
5
Quinary
20421144323
6
Senary
2035532422
8
Octal
121112436
10
Decimal
21271838
12
Duodecimal
715a112
16
Hexadecimal
144951e
20
Vigesimal
6cijbi
36
Base36
cnxge
md5
9d57acad062da2378d45cb6dfae9b65c
sha1
49d94b54b4af9265535b2e29e0505c0692494021
sha256
30bc6566737f0656af0a19b4edb364452598861e732816bd3bda5356731601fc
sha512
9ef1185ec4711dca5a6202f28f0f6765789cd401d7ec24fbf54104d69d539aa367d11f43310b9e5ed3ce8f69ec3c1d308063824ff3c9fe18d4ea803358c8b034
ripemd-160
13369dd1762a1d71be6d116d2550de4b3614af65
Diameter
42543676
Circumference
133654899.9783
Area
1.4215426901223E+15
Volume
4.0318434419156E+22
Surface area
5.6861707604894E+15
Circumference
133654899.9783
Perimeter
85087352
Area
452491091898244
Diagonal
30082921.796203
Surface area
2714946551389464
Volume
9.6253172033026E+21
Space diagonal
36843904.186374
Perimeter
63815514
Area
1.9593439028502E+14
Altitude
18421952.093187
Surface area
1.9593439028502E+14
Volume
1.1343545109211E+21
Height
10027640.598734