21542613 is an odd 8-digits composite number following 21542612
and preceding 21542614 . In scientific notation, it is written as 2.1542613 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 13572720 positive integers (up to 21542613) that are relatively prime to 21542613.
21542613 has 16 divisors, whose sum is 30345216
The reverse of 21542613 is 31624512
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million five hundred forty-two thousand six hundred thirteen
Scientific notation
2.1542613 × 10^7
Engineering notation
2.1542613 × 10^6
Prime Factorization
31 × 3 × 43 × 5387
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21542613
Product of the distinct prime numbers
The prime factorization of 21542613 is 31 × 3 × 43 × 5387.
Since it has a total of 4 prime factors.
5 , 5 , 64 , 70 , 190 , 927 , 4735 , 2287 , 21336 , 90782 , 222409 , 588267 , 1211686 , 6294345 , 37957114 , 50518980 , 891717446 , 292175810 , 5900374597 , 3709617539
n×2
43085226
n×3
64627839
n×4
86170452
n×5
107713065
n÷2
10771306.5
n÷3
7180871
n÷3
5385653.25
n÷5
4308522.6
n2
464084174867769
n3
9.9975857786007E+21
n4
2.153741213627E+29
n5
4.6397213467316E+36
2 √n
4641.4020511048
3 √n
278.24847529253
4 √n
68.127836095863
5 √n
29.28597423338
1 , 3 , 31 , 43 , 93 , 129 , 1333 , 3999 , 5387 , 16161 , 166997 , 231641 , 500991 , 694923 , 7180871 , 21542613
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
-21542612
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 21542613 can be divided by 16 positive divisors.
The sum of these divisors (counting 21542613) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001011011011010101
3
Ternary
1111112110220120
4
Quaternary
1102023123111
5
Quinary
21003330423
6
Senary
2045422153
8
Octal
122133325
10
Decimal
21542613
12
Duodecimal
726a959
16
Hexadecimal
148b6d5
20
Vigesimal
6ecgad
36
Base36
ctqdx
md5
877d50aaa7becc16b8cf6351a8c5c53a
sha1
edd2004eadc54188ffa6d35bf034be2c3abbd55b
sha256
310b0a23faa96753cd13c066d73a6e61e72f97f804fd24e9b11113f899d91852
sha512
ffff0e228de11a72133c59c99d9de31356d1a0a486b1d5bb6f7a5e5416f0515344791931ad476a5fbcbfdd2a54d2792da66de3463fb682f3ebccee85ccaf022e
ripemd-160
a4ef1bd91a545ca14df387cd6ee2b4c2158396a8
Diameter
43085226
Circumference
135356229.47986
Area
1.4579634344119E+15
Volume
4.1877789380914E+22
Surface area
5.8318537376475E+15
Circumference
135356229.47986
Perimeter
86170452
Area
464084174867769
Diagonal
30465855.473555
Surface area
2784505049206614
Volume
9.9975857786007E+21
Space diagonal
37312900.243794
Perimeter
64627839
Area
2.0095434246491E+14
Altitude
18656450.121897
Surface area
2.0095434246491E+14
Volume
1.1782267832571E+21
Height
10155285.157852