21307615 is an odd 8-digits composite number following 21307614
and preceding 21307616 . In scientific notation, it is written as 2.1307615 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 14610912 positive integers (up to 21307615) that are relatively prime to 21307615.
21307615 has 4 divisors, whose sum is 21916440
The reverse of 21307615 is 51670312
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million three hundred seven thousand six hundred fifteen
Scientific notation
2.1307615 × 10^7
Engineering notation
2.1307615 × 10^6
Prime Factorization
35 × 608789
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21307615
Product of the distinct prime numbers
The prime factorization of 21307615 is 35 × 608789.
Since it has a total of 2 prime factors.
2 , 9 , 1 , 64 , 405 , 27 , 9583 , 7093 , 24140 , 47504 , 335932 , 609322 , 3233311 , 8344340 , 12709775 , 35563352 , 646921098 , 602447072 , 3832680754 , 3889734391
n×2
42615230
n×3
63922845
n×4
85230460
n×5
106538075
n÷2
10653807.5
n÷3
7102538.3333333
n÷3
5326903.75
n÷5
4261523
n2
454014456988225
n3
9.6739652539392E+21
n4
2.0612912715431E+29
n5
4.3921200816901E+36
2 √n
4616.0172226715
3 √n
277.23301432159
4 √n
67.941277752715
5 √n
29.22180028161
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21307614
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21307615 can be divided by 4 positive divisors.
The sum of these divisors (counting 21307615) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001010010000011011111
3
Ternary
1111002112112221
4
Quaternary
1101102003133
5
Quinary
20423320430
6
Senary
2040410211
8
Octal
121220337
10
Decimal
21307615
12
Duodecimal
7176967
16
Hexadecimal
14520df
20
Vigesimal
6d390f
36
Base36
cop27
md5
1fa37c9e8f34f3f2658fe1f4593544c7
sha1
99e32da6a5ccbb006ca4ddfdbd65c5800add3e57
sha256
23d4ae61176bab9afcecb2d86435cd95d9af620f70322f3f7a57274601af5aed
sha512
a1994265ddf30102c3cd3e78e4da80c2c4c619657db3ce926e857a49c2472d1ead7883a1e2fa09283dcd459f4fe34f23d5ded85780b575ba2ea32c54b265d810
ripemd-160
d3237fd227d60e85ed85c890abde168ed1555ff6
Diameter
42615230
Circumference
133879693.49904
Area
1.4263284826978E+15
Volume
4.0522210897144E+22
Surface area
5.7053139307911E+15
Circumference
133879693.49904
Perimeter
85230460
Area
454014456988225
Diagonal
30133518.114824
Surface area
2724086741929350
Volume
9.6739652539392E+21
Space diagonal
36905871.768117
Perimeter
63922845
Area
1.965940267186E+14
Altitude
18452935.884058
Surface area
1.965940267186E+14
Volume
1.1400877386706E+21
Height
10044506.038275