21551358 is an even 8-digits composite number following 21551357
and preceding 21551359 . In scientific notation, it is written as 2.1551358 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 6716736 positive integers (up to 21551358) that are relatively prime to 21551358.
21551358 has 32 divisors, whose sum is 45964800
The reverse of 21551358 is 85315512
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred fifty-one thousand three hundred fifty-eight
Scientific notation
2.1551358 × 10^7
Engineering notation
2.1551358 × 10^6
Prime Factorization
2 × 3 × 79 × 19 × 2393
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21551358
Product of the distinct prime numbers
The prime factorization of 21551358 is 2 × 3 × 79 × 19 × 2393.
Since it has a total of 5 prime factors.
5 , 3 , 75 , 10 , 69 , 825 , 3548 , 5323 , 20290 , 51553 , 343474 , 612254 , 8642086 , 7179964 , 90691375 , 613524 , 320087631 , 703401759 , 2909694500 , 5188862742
n×2
43102716
n×3
64654074
n×4
86205432
n×5
107756790
n÷2
10775679
n÷3
7183786
n÷3
5387839.5
n÷5
4310271.6
n2
464461031644164
n3
1.0009765970013E+22
n4
2.1572404991596E+29
n5
4.6491462289487E+36
2 √n
4642.3440199968
3 √n
278.2861208919
4 √n
68.134748990488
5 √n
29.288351514812
1 , 2 , 3 , 6 , 19 , 38 , 57 , 79 , 114 , 158 , 237 , 474 , 1501 , 2393 , 3002 , 4503 , 4786 , 7179 , 9006 , 14358 , 45467 , 90934 , 136401 , 189047 , 272802 , 378094 , 567141 , 1134282 , 3591893 , 7183786 , 10775679 , 21551358
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
-21551357
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 21551358 can be divided by 32 positive divisors.
The sum of these divisors (counting 21551358) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010001101100011111110
3
Ternary
1111112220220110
4
Quaternary
1102031203332
5
Quinary
21004120413
6
Senary
2045530450
8
Octal
122154376
10
Decimal
21551358
12
Duodecimal
7273a26
16
Hexadecimal
148d8fe
20
Vigesimal
6edi7i
36
Base36
ctx4u
md5
417a94c09af9a0926e41bcff31f86924
sha1
0a3b63ce1d0f215388822943b92c532069b040d5
sha256
ea0d359c1a61f584ed3f5d2be5de2f091663e56e2c3a06e9430bd0f68e06ae29
sha512
373ad9fed6f0056a261274b947aef10d5d22a2ab5d468b0335b7b0b632687fa306dcd2463d796030ce4ebb121b8303dd89d78f1ba8aa292a0b7f2c305875f097
ripemd-160
7b8f9f14e80c6b90baffc15deb9ded5696503e46
Diameter
43102716
Circumference
135411175.93537
Area
1.459147364892E+15
Volume
4.1928809647393E+22
Surface area
5.8365894595682E+15
Circumference
135411175.93537
Perimeter
86205432
Area
464461031644164
Diagonal
30478222.771158
Surface area
2786766189864984
Volume
1.0009765970013E+22
Space diagonal
37328047.028106
Perimeter
64654074
Area
2.0111752623589E+14
Altitude
18664023.514053
Surface area
2.0111752623589E+14
Volume
1.1796622325811E+21
Height
10159407.590386