21542736 is an even 8-digits composite number following 21542735
and preceding 21542737 . In scientific notation, it is written as 2.1542736 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 7180896 positive integers (up to 21542736) that are relatively prime to 21542736.
21542736 has 20 divisors, whose sum is 55652192
The reverse of 21542736 is 63724512
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred forty-two thousand seven hundred thirty-six
Scientific notation
2.1542736 × 10^7
Engineering notation
2.1542736 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 448807
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2692842
Product of the distinct prime numbers
The prime factorization of 21542736 is 2 × 2 × 2 × 2 × 3 × 448807.
Since it has a total of 6 prime factors.
1 , 6 , 31 , 18 , 442 , 596 , 3743 , 277 , 22375 , 85071 , 875881 , 331027 , 7003456 , 3531509 , 80791767 , 6933078 , 992143385 , 869832431 , 2259420525 , 8652697015
n×2
43085472
n×3
64628208
n×4
86170944
n×5
107713680
n÷2
10771368
n÷3
7180912
n÷3
5385684
n÷5
4308547.2
n2
464089474365696
n3
9.997757026639E+21
n4
2.1537904021703E+29
n5
4.6398538033288E+36
2 √n
4641.4153013925
3 √n
278.2490048553
4 √n
68.127933341563
5 √n
29.286007675624
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 448807 , 897614 , 1346421 , 1795228 , 2692842 , 3590456 , 5385684 , 7180912 , 10771368 , 21542736
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21542735
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21542736 can be divided by 20 positive divisors.
The sum of these divisors (counting 21542736) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010010001011011101010000
3
Ternary
1111112111002010
4
Quaternary
1102023131100
5
Quinary
21003331421
6
Senary
2045422520
8
Octal
122133520
10
Decimal
21542736
12
Duodecimal
726aa40
16
Hexadecimal
148b750
20
Vigesimal
6ecggg
36
Base36
ctqhc
md5
e99d438d10c54f13eb67ed891fed6912
sha1
aec6426f4c8c940a9788df7995a54873e330d8ed
sha256
2b5da38dc92a11735e2114addf0752e8ae45ee4fbc0dad0a444e3597cc1c4eab
sha512
451dd07351ed523ce4d386eae5b29e4864e4b99fdfdb618ba266f7be0b10ffa98d1c5dafe97c962f9eee5a723160693ae28e0c85b5c801c94d0389fd19099a73
ripemd-160
b52eef5ff8cc5704b268391e0597d7c0c024ad06
Diameter
43085472
Circumference
135357002.31165
Area
1.4579800832756E+15
Volume
4.187850670302E+22
Surface area
5.8319203331025E+15
Circumference
135357002.31165
Perimeter
86170944
Area
464089474365696
Diagonal
30466029.421823
Surface area
2784536846194176
Volume
9.997757026639E+21
Space diagonal
37313113.286043
Perimeter
64628208
Area
2.0095663721483E+14
Altitude
18656556.643022
Surface area
2.0095663721483E+14
Volume
1.178246965032E+21
Height
10155343.140608