21221372 is an even 8-digits composite number following 21221371
and preceding 21221373 . In scientific notation, it is written as 2.1221372 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors.
There are 9950720 positive integers (up to 21221372) that are relatively prime to 21221372.
21221372 has 24 divisors, whose sum is 39463200
The reverse of 21221372 is 27312212
Previous prime number is 521
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million two hundred twenty-one thousand three hundred seventy-two
Scientific notation
2.1221372 × 10^7
Engineering notation
2.1221372 × 10^6
Prime Factorization
2 × 2 × 17 × 521 × 599
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10610686
Product of the distinct prime numbers
The prime factorization of 21221372 is 2 × 2 × 17 × 521 × 599.
Since it has a total of 5 prime factors.
8 , 5 , 24 , 3 , 928 , 175 , 3457 , 7318 , 78086 , 69544 , 874070 , 72759 , 4570476 , 5467374 , 65175127 , 16293918 , 359251521 , 567596808 , 1946321668 , 9367049170
n×2
42442744
n×3
63664116
n×4
84885488
n×5
106106860
n÷2
10610686
n÷3
7073790.6666667
n÷3
5305343
n÷5
4244274.4
n2
450346629562384
n3
9.5569733548895E+21
n4
2.028120867582E+29
n5
4.303950739192E+36
2 √n
4606.6660395562
3 √n
276.85847314587
4 √n
67.87242473609
5 √n
29.198106725636
1 , 2 , 4 , 17 , 34 , 68 , 521 , 599 , 1042 , 1198 , 2084 , 2396 , 8857 , 10183 , 17714 , 20366 , 35428 , 40732 , 312079 , 624158 , 1248316 , 5305343 , 10610686 , 21221372
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21221371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21221372 can be divided by 24 positive divisors.
The sum of these divisors (counting 21221372) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000111100111111111100
3
Ternary
1110221011020202
4
Quaternary
1100330333330
5
Quinary
20413040442
6
Senary
2034503032
8
Octal
120747774
10
Decimal
21221372
12
Duodecimal
7134a78
16
Hexadecimal
143cffc
20
Vigesimal
6ccd8c
36
Base36
cmuik
md5
47898f85e3927fc7a8bd2abedfdd01df
sha1
03f28fb6f7c30ccc29d221617ec08e9f174c5506
sha256
61dd805ba332f3d9931ef45913609da1c1d2a4113c6d57c72c15ff1dc7c59588
sha512
f25e549c105ba376638dce1038653e7fc65babd47c06b1213786587b3bd30a965fbdf07353dd6a6bc7f069fc3f04856930932ff0b5b0817ac393a87dace94342
ripemd-160
2f8fa75b3ac954464bba6e3160ed46a92cd07d19
Diameter
42442744
Circumference
133337812.74859
Area
1.4148056630021E+15
Volume
4.0032156376366E+22
Surface area
5.6592226520084E+15
Circumference
133337812.74859
Perimeter
84885488
Area
450346629562384
Diagonal
30011552.094565
Surface area
2702079777374304
Volume
9.5569733548895E+21
Space diagonal
36756494.51032
Perimeter
63664116
Area
1.9500581085486E+14
Altitude
18378247.25516
Surface area
1.9500581085486E+14
Volume
1.1263001111436E+21
Height
10003850.698188