21557796 is an even 8-digits composite number following 21557795
and preceding 21557797 . In scientific notation, it is written as 2.1557796 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 6633120 positive integers (up to 21557796) that are relatively prime to 21557796.
21557796 has 24 divisors, whose sum is 54171264
The reverse of 21557796 is 69775512
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million five hundred fifty-seven thousand seven hundred ninety-six
Scientific notation
2.1557796 × 10^7
Engineering notation
2.1557796 × 10^6
Prime Factorization
2 × 2 × 3 × 13 × 138191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10778898
Product of the distinct prime numbers
The prime factorization of 21557796 is 2 × 2 × 3 × 13 × 138191.
Since it has a total of 5 prime factors.
4 , 8 , 43 , 79 , 330 , 299 , 3819 , 3200 , 32068 , 80171 , 209630 , 206045 , 8604545 , 7678994 , 609650 , 40377099 , 234300569 , 363003061 , 5465979533 , 9180467577
n×2
43115592
n×3
64673388
n×4
86231184
n×5
107788980
n÷2
10778898
n÷3
7185932
n÷3
5389449
n÷5
4311559.2
n2
464738568377616
n3
1.0018739250417E+22
n4
2.1598193693768E+29
n5
4.6560945361873E+36
2 √n
4643.0373679306
3 √n
278.31382877733
4 √n
68.139836864573
5 √n
29.290101157503
1 , 2 , 3 , 4 , 6 , 12 , 13 , 26 , 39 , 52 , 78 , 156 , 138191 , 276382 , 414573 , 552764 , 829146 , 1658292 , 1796483 , 3592966 , 5389449 , 7185932 , 10778898 , 21557796
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
-21557795
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 21557796 can be divided by 24 positive divisors.
The sum of these divisors (counting 21557796) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010001111001000100100
3
Ternary
1111120020201220
4
Quaternary
1102033020210
5
Quinary
21004322141
6
Senary
2050020340
8
Octal
122171044
10
Decimal
21557796
12
Duodecimal
72776b0
16
Hexadecimal
148f224
20
Vigesimal
6eee9g
36
Base36
cu23o
md5
07db1ca9878f0d26667b542009b6305a
sha1
1c387d2afd1b0cdd2c30a953880788bcd0f8e5ea
sha256
261166d5f719ae9aee0fe5be82fac12a74858acaf3db057d147de2becd7c8f39
sha512
acad4966e950f8eb64e93d392fa5505f7350faaa526c8f0023b994dbee2c92fa8fc9afe43d45ac41cb8dbd198335655ece5328934981a33e3e82f7e0dd8ee2ea
ripemd-160
437c354ce619d8a87958d01349d3f62285f12458
Diameter
43115592
Circumference
135451627.08237
Area
1.460019272255E+15
Volume
4.1966396836454E+22
Surface area
5.8400770890198E+15
Circumference
135451627.08237
Perimeter
86231184
Area
464738568377616
Diagonal
30487327.478072
Surface area
2788431410265696
Volume
1.0018739250417E+22
Space diagonal
37339197.971205
Perimeter
64673388
Area
2.0123770316671E+14
Altitude
18669598.985603
Surface area
2.0123770316671E+14
Volume
1.1807197438182E+21
Height
10162442.492691