21171738 is an even 8-digits composite number following 21171737
and preceding 21171739 . In scientific notation, it is written as 2.1171738 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5588352 positive integers (up to 21171738) that are relatively prime to 21171738.
21171738 has 32 divisors, whose sum is 48530304
The reverse of 21171738 is 83717112
Previous prime number is 817
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million one hundred seventy-one thousand seven hundred thirty-eight
Scientific notation
2.1171738 × 10^7
Engineering notation
2.1171738 × 10^6
Prime Factorization
2 × 7 × 3 × 817 × 617
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21171738
Product of the distinct prime numbers
The prime factorization of 21171738 is 2 × 7 × 3 × 817 × 617.
Since it has a total of 5 prime factors.
7 , 10 , 79 , 87 , 554 , 563 , 4669 , 8372 , 27694 , 77346 , 633063 , 197179 , 7928470 , 2115518 , 11307557 , 95808692 , 60993183 , 620144432 , 655112226 , 6689696134
n×2
42343476
n×3
63515214
n×4
84686952
n×5
105858690
n÷2
10585869
n÷3
7057246
n÷3
5292934.5
n÷5
4234347.6
n2
448242489940644
n3
9.4900725574909E+21
n4
2.0092132978819E+29
n5
4.2538537528871E+36
2 √n
4601.2756926748
3 √n
276.64245945523
4 √n
67.832703710488
5 √n
29.184435823039
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 617 , 817 , 1234 , 1634 , 1851 , 2451 , 3702 , 4319 , 4902 , 5719 , 8638 , 11438 , 12957 , 17157 , 25914 , 34314 , 504089 , 1008178 , 1512267 , 3024534 , 3528623 , 7057246 , 10585869 , 21171738
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21171737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21171738 can be divided by 32 positive divisors.
The sum of these divisors (counting 21171738) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000110000111000011010
3
Ternary
1110211122011110
4
Quaternary
1100300320122
5
Quinary
20404443423
6
Senary
2033441150
8
Octal
120607032
10
Decimal
21171738
12
Duodecimal
71101b6
16
Hexadecimal
1430e1a
20
Vigesimal
6c696i
36
Base36
cls7u
md5
c07b479b343535e705076073344880a5
sha1
c26b7d14ac7877cd07e8544b2a1585b039422bd4
sha256
617c5d1770cf1417f7438d77b792e203d6ca9e2408669adbb5558fa183cf359d
sha512
b7d7dbbaca472a285a539c7356b4737bd9c605ebbc19c0de8f84af861fdbc6edcaeef09c01f21d7f7162414842a1c74e5b1bc5341cbc2f5ced8c5f0f8b80e02d
ripemd-160
402c5773cdf606f9e9244296aba5855c86f51f61
Diameter
42343476
Circumference
133025953.12906
Area
1.4081953134243E+15
Volume
3.975192297153E+22
Surface area
5.6327812536973E+15
Circumference
133025953.12906
Perimeter
84686952
Area
448242489940644
Diagonal
29941359.01861
Surface area
2689454939643864
Volume
9.4900725574909E+21
Space diagonal
36670525.900537
Perimeter
63515214
Area
1.9409469167209E+14
Altitude
18335262.950268
Surface area
1.9409469167209E+14
Volume
1.118415776559E+21
Height
9980453.0062033