21551370 is an even 8-digits composite number following 21551369
and preceding 21551371 . In scientific notation, it is written as 2.1551370 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 5747024 positive integers (up to 21551370) that are relatively prime to 21551370.
21551370 has 16 divisors, whose sum is 51723360
The reverse of 21551370 is 07315512
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million five hundred fifty-one thousand three hundred seventy
Scientific notation
2.1551370 × 10^7
Engineering notation
2.1551370 × 10^6
Prime Factorization
2 × 3 × 5 × 718379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21551370
Product of the distinct prime numbers
The prime factorization of 21551370 is 2 × 3 × 5 × 718379.
Since it has a total of 4 prime factors.
3 , 4 , 55 , 67 , 511 , 722 , 7582 , 5943 , 63150 , 30887 , 180375 , 910112 , 2304773 , 9851274 , 19899119 , 93759868 , 355477373 , 641340926 , 4361838441 , 8809427997
n×2
43102740
n×3
64654110
n×4
86205480
n×5
107756850
n÷2
10775685
n÷3
7183790
n÷3
5387842.5
n÷5
4310274
n2
464461548876900
n3
1.0009782690619E+22
n4
2.1572453038513E+29
n5
4.6491591724062E+36
2 √n
4642.3453124471
3 √n
278.28617254267
4 √n
68.134758475004
5 √n
29.288354776418
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 718379 , 1436758 , 2155137 , 3591895 , 4310274 , 7183790 , 10775685 , 21551370
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551369
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551370 can be divided by 16 positive divisors.
The sum of these divisors (counting 21551370) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001101100100001010
3
Ternary
1111112220220220
4
Quaternary
1102031210022
5
Quinary
21004120440
6
Senary
2045530510
8
Octal
122154412
10
Decimal
21551370
12
Duodecimal
7273a36
16
Hexadecimal
148d90a
20
Vigesimal
6edi8a
36
Base36
ctx56
md5
a022e80ebedfbc2557ed1fe9f2ed3148
sha1
ccadaa2075a5d283241d2be371524923ba9e6856
sha256
f589dac2d7c5c9c0506b518b15ed7f1a8cdb5ae97f1c4f4a50e07595e374139b
sha512
e7859058b7052328fe47b7c4c4c89e376d38887f477b301e29743be03857ad352e7279f09294df93c053eeea2e93616ec43b7cd4690bcbbf242dbc16734cc0df
ripemd-160
7b6ba9dfae1a7d21a6ddc4f9dcb8b582f6bdda4a
Diameter
43102740
Circumference
135411251.33359
Area
1.4591489898266E+15
Volume
4.1928879686506E+22
Surface area
5.8365959593064E+15
Circumference
135411251.33359
Perimeter
86205480
Area
464461548876900
Diagonal
30478239.741721
Surface area
2786769293261400
Volume
1.0009782690619E+22
Space diagonal
37328067.812716
Perimeter
64654110
Area
2.0111775020423E+14
Altitude
18664033.906358
Surface area
2.0111775020423E+14
Volume
1.1796642031234E+21
Height
10159413.24724