20921588 is an even 8-digits composite number following 20921587
and preceding 20921589 . In scientific notation, it is written as 2.0921588 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 10460792 positive integers (up to 20921588) that are relatively prime to 20921588.
20921588 has 6 divisors, whose sum is 36612786
The reverse of 20921588 is 88512902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million nine hundred twenty-one thousand five hundred eighty-eight
Scientific notation
2.0921588 × 10^7
Engineering notation
2.0921588 × 10^6
Prime Factorization
2 × 2 × 5230397
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10460794
Product of the distinct prime numbers
The prime factorization of 20921588 is 2 × 2 × 5230397.
Since it has a total of 3 prime factors.
1 , 6 , 40 , 83 , 53 , 329 , 3180 , 1925 , 99516 , 13873 , 293713 , 11980 , 8267562 , 722380 , 14435715 , 68333702 , 117852867 , 94174501 , 2775461710 , 5885394160
n×2
41843176
n×3
62764764
n×4
83686352
n×5
104607940
n÷2
10460794
n÷3
6973862.6666667
n÷3
5230397
n÷5
4184317.6
n2
437712844441744
n3
9.1576477937183E+21
n4
1.9159253418928E+29
n5
4.0084200641841E+36
2 √n
4574.0122430969
3 √n
275.54860402261
4 √n
67.631444189052
5 √n
29.115143106729
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921587
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921588 can be divided by 6 positive divisors.
The sum of these divisors (counting 20921588) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001111110011110011110100
3
Ternary
1110100221000122
4
Quaternary
1033303303310
5
Quinary
20323442323
6
Senary
2024231112
8
Octal
117636364
10
Decimal
20921588
12
Duodecimal
700b498
16
Hexadecimal
13f3cf4
20
Vigesimal
6af3j8
36
Base36
cgf78
md5
58417e253b7aaabe759343d50b996dea
sha1
76333a00df494bfaa56a255c5e0cc4a4a56a8089
sha256
e0e4c040613ad5c47afc75f33b5e7f9d58a67f37b9baa29f1e225911dc36a450
sha512
15bb81f4fbc6c828d198623de85904dd085144b2acae1a888f9ea63719db5636761d831a92df8952d367cfcfba862ad817f6d0f65b8d5fd66ffcdf0608d505a7
ripemd-160
46efe25fbfed7582158885b1110fde0bb9da3dc4
Diameter
41843176
Circumference
131454214.32446
Area
1.3751154564801E+15
Volume
3.8359465377211E+22
Surface area
5.5004618259203E+15
Circumference
131454214.32446
Perimeter
83686352
Area
437712844441744
Diagonal
29587593.495982
Surface area
2626277066650464
Volume
9.1576477937183E+21
Space diagonal
36237253.391023
Perimeter
62764764
Area
1.8953522142465E+14
Altitude
18118626.695512
Surface area
1.8953522142465E+14
Volume
1.0792391424427E+21
Height
9862531.1653274