21568331 is an odd 8-digits prime number following 21568330
and preceding 21568332 . In scientific notation, it is written as 2.1568331 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21568330 positive integers (up to 21568331) that are relatively prime to 21568331.
21568331 has 2 divisors, whose sum is 21568332
The reverse of 21568331 is 13386512
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 29 Digital Root 2
Name
twenty-one million five hundred sixty-eight thousand three hundred thirty-one
Scientific notation
2.1568331 × 10^7
Engineering notation
2.1568331 × 10^6
Prime Factorization
21568331
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21568331 Product of the distinct prime numbers
The prime factorization of 21568331 is 21568331.
Since it has a total of 1 prime factors.
3 , 4 , 60 , 91 , 632 , 572 , 372 , 9151 , 78536 , 1048 , 154737 , 520650 , 1458624 , 73159 , 36919605 , 32862371 , 547135931 , 85447440 , 9414508773 , 3030506840
n×2
43136662
n×3
64704993
n×4
86273324
n×5
107841655
n÷2
10784165.5
n÷3
7189443.6666667
n÷3
5392082.75
n÷5
4313666.2
n2
465192902125561
n3
1.0033434491895E+22
n4
2.16404436188E+29
n5
4.6674825095712E+36
2 √n4644.1717237846
3 √n278.35915744792
4 √n68.148160090971
5 √n29.292963332426
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21568332 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10784166 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4644.1718314464 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999072715 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21568331 can be divided by 2 positive divisors.
The sum of these divisors (counting 21568331) is 21568332, the average is 10784166.
Base
System
Value
2
Binary
1010010010001101101001011
3
Ternary
1111120210012002
4
Quaternary
1102101231023
5
Quinary
21010141311
6
Senary
2050141215
8
Octal
122215513
10
Decimal
21568331
12
Duodecimal
728180b
16
Hexadecimal
1491b4b
20
Vigesimal
6eg0gb
36
Base36
cua8b
md5
ac000a6c57c9774a782dd6ba74a6b19d
sha1
d59472dc05c8b282736315fdd9314d4ca05558aa
sha256
69f6d66b6e10508dbcef2e083bbe49cd4bcbbdf427d619eca39dc4751dcc0b42
sha512
4eb43551a8b238d3e551dcb544a27f02c48bcb06eb132a39e45d454c67b2bbf29170cfb45a70b387df2207e8514732844a5571146b949608da08376dcd0c61f8
ripemd-160
7148ba57d8ac19841d0431f38ee5f351701bb049
Diameter
43136662
Circumference
135517820.43959
Area
1.4614466038198E+15
Volume
4.2027952120014E+22
Surface area
5.8457864152791E+15
Circumference
135517820.43959
Perimeter
86273324
Area
465192902125561
Diagonal
30502226.217952
Surface area
2791157412753366
Volume
1.0033434491895E+22
Space diagonal
37357445.126463
Perimeter
64704993
Area
2.0143443545047E+14
Altitude
18678722.563231
Surface area
2.0143443545047E+14
Volume
1.182451594635E+21
Height
10167408.739317