21231620 is an even 8-digits composite number following 21231619
and preceding 21231621 . In scientific notation, it is written as 2.1231620 × 10^7.
The sum of its digits is 17. It has a total of 5 prime factors and 24 positive divisors.
There are 8467712 positive integers (up to 21231620) that are relatively prime to 21231620.
21231620 has 24 divisors, whose sum is 44717400
The reverse of 21231620 is 02613212
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million two hundred thirty-one thousand six hundred twenty
Scientific notation
2.1231620 × 10^7
Engineering notation
2.1231620 × 10^6
Prime Factorization
2 × 2 × 5 × 389 × 2729
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10615810
Product of the distinct prime numbers
The prime factorization of 21231620 is 2 × 2 × 5 × 389 × 2729.
Since it has a total of 5 prime factors.
1 , 6 , 83 , 35 , 486 , 280 , 4776 , 3534 , 45989 , 13396 , 866634 , 105547 , 5481456 , 6352685 , 25273433 , 19216562 , 820480631 , 852695869 , 4325766971 , 8579950852
n×2
42463240
n×3
63694860
n×4
84926480
n×5
106158100
n÷2
10615810
n÷3
7077206.6666667
n÷3
5307905
n÷5
4246324
n2
450781687824400
n3
9.5708254988463E+21
n4
2.0320413007781E+29
n5
4.3143528722427E+36
2 √n
4607.7782064678
3 √n
276.90303182701
4 √n
67.880617310598
5 √n
29.200926189105
1 , 2 , 4 , 5 , 10 , 20 , 389 , 778 , 1556 , 1945 , 2729 , 3890 , 5458 , 7780 , 10916 , 13645 , 27290 , 54580 , 1061581 , 2123162 , 4246324 , 5307905 , 10615810 , 21231620
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
-21231619
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 21231620 can be divided by 24 positive divisors.
The sum of these divisors (counting 21231620) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000111111100000000100
3
Ternary
1110221200022022
4
Quaternary
1100333200010
5
Quinary
20413402440
6
Senary
2035022312
8
Octal
120774004
10
Decimal
21231620
12
Duodecimal
713a998
16
Hexadecimal
143f804
20
Vigesimal
6cdj10
36
Base36
cn2f8
md5
fe6f99697f53c2e2d7b2db7e658ecc19
sha1
df34f80496a2f796a8af3e87d8ee063dc1b8ba5f
sha256
323d7d42ad174adf183ed6481d11f431d93674f981d872a4cf0365fb50e78f69
sha512
540b7b2a06e0c91a614d7692beb9aab70fcabb5ce779a220320eda4231c518e3ff8331211110f7d7ad92807a2afaf949a86a0194cda44441e25c39179205510c
ripemd-160
3ddfde0c0da82cd9b89f13d5b4daa92aa2b30e9a
Diameter
42463240
Circumference
133402202.83162
Area
1.4161724388419E+15
Volume
4.0090180101287E+22
Surface area
5.6646897553678E+15
Circumference
133402202.83162
Perimeter
84926480
Area
450781687824400
Diagonal
30026044.955152
Surface area
2704690126946400
Volume
9.5708254988463E+21
Space diagonal
36774244.566996
Perimeter
63694860
Area
1.9519419660838E+14
Altitude
18387122.283498
Surface area
1.9519419660838E+14
Volume
1.1279326019646E+21
Height
10008681.651717