21087926 is an even 8-digits composite number following 21087925
and preceding 21087927 . In scientific notation, it is written as 2.1087926 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 10395840 positive integers (up to 21087926) that are relatively prime to 21087926.
21087926 has 16 divisors, whose sum is 32080320
The reverse of 21087926 is 62978012
Previous prime number is 239
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million eighty-seven thousand nine hundred twenty-six
Scientific notation
2.1087926 × 10^7
Engineering notation
2.1087926 × 10^6
Prime Factorization
2 × 157 × 239 × 281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21087926
Product of the distinct prime numbers
The prime factorization of 21087926 is 2 × 157 × 239 × 281.
Since it has a total of 4 prime factors.
6 , 4 , 48 , 62 , 422 , 240 , 9112 , 7829 , 98360 , 52906 , 428805 , 998706 , 6926736 , 1269651 , 66782500 , 9539140 , 764757500 , 595259341 , 4462225823 , 6332853945
n×2
42175852
n×3
63263778
n×4
84351704
n×5
105439630
n÷2
10543963
n÷3
7029308.6666667
n÷3
5271981.5
n÷5
4217585.2
n2
444700622981476
n3
9.3778138295873E+21
n4
1.9775864408011E+29
n5
4.1703196522218E+36
2 √n
4592.1591871363
3 √n
276.2769309617
4 √n
67.765471939154
5 √n
29.161292816678
1 , 2 , 157 , 239 , 281 , 314 , 478 , 562 , 37523 , 44117 , 67159 , 75046 , 88234 , 134318 , 10543963 , 21087926
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
-21087925
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 21087926 can be divided by 16 positive divisors.
The sum of these divisors (counting 21087926) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011100011010110110
3
Ternary
1110200101012022
4
Quaternary
1100130122312
5
Quinary
20344303201
6
Senary
2031553142
8
Octal
120343266
10
Decimal
21087926
12
Duodecimal
708b7b2
16
Hexadecimal
141c6b6
20
Vigesimal
6bfjg6
36
Base36
cjzjq
md5
b076d2ce569dcf78d83e80396da29223
sha1
d735a2f96aca20dc8aa55129293f6edb3ffd5ef2
sha256
9541b888402d2e005344bb435578ed980f1f074a1a7a42dbb47a78a296266c3e
sha512
a98d3e69f88e4dc821134bfab0cebf204b13cb2bc0b303e74e1bd431c0cb9cd2b7e5a6da66c5aa51123aa0ffca1aa93183bd793635a11c90547486223c579354
ripemd-160
9cd74fab2d512e00f6b14a2af466e1a0054d4980
Diameter
42175852
Circumference
132499346.80209
Area
1.3970682102054E+15
Volume
3.9281694711685E+22
Surface area
5.5882728408216E+15
Circumference
132499346.80209
Perimeter
84351704
Area
444700622981476
Diagonal
29822830.95152
Surface area
2668203737888856
Volume
9.3778138295873E+21
Space diagonal
36525359.258253
Perimeter
63263778
Area
1.9256101829036E+14
Altitude
18262679.629126
Surface area
1.9256101829036E+14
Volume
1.105185958601E+21
Height
9940943.6505067