21492007 is an odd 8-digits prime number following 21492006
and preceding 21492008 . In scientific notation, it is written as 2.1492007 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 21492006 positive integers (up to 21492007) that are relatively prime to 21492007.
21492007 has 2 divisors, whose sum is 21492008
The reverse of 21492007 is 70029412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million four hundred ninety-two thousand seven
Scientific notation
2.1492007 × 10^7
Engineering notation
2.1492007 × 10^6
Prime Factorization
21492007
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21492007
Product of the distinct prime numbers
The prime factorization of 21492007 is 21492007.
Since it has a total of 1 prime factors.
2 , 2 , 62 , 63 , 900 , 716 , 574 , 6423 , 18717 , 85325 , 287739 , 470108 , 7020777 , 562938 , 57932759 , 62461120 , 369745299 , 894382336 , 1611714825 , 1942590299
n×2
42984014
n×3
64476021
n×4
85968028
n×5
107460035
n÷2
10746003.5
n÷3
7164002.3333333
n÷3
5373001.75
n÷5
4298401.4
n2
461906364888049
n3
9.9272948275185E+21
n4
2.1335748992409E+29
n5
4.585480666951E+36
2 √n
4635.9472602695
3 √n
278.03042556426
4 √n
68.087790831172
5 √n
29.272202082577
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21492008
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10746004
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4635.9473681223
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999069422
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492007 can be divided by 2 positive divisors.
The sum of these divisors (counting 21492007) is 21492008, the average is 10746004.
Base
System
Value
2
Binary
1010001111111000100100111
3
Ternary
1111102220111021
4
Quaternary
1101333010213
5
Quinary
21000221012
6
Senary
2044352011
8
Octal
121770447
10
Decimal
21492007
12
Duodecimal
7245607
16
Hexadecimal
147f127
20
Vigesimal
6e6a07
36
Base36
csnc7
md5
1a8339959a4bdc26db3d04afd78f8634
sha1
364f9121cd65b3c1e11cf589f4cd24d09f54093f
sha256
c02e6fff4149ebe0731a3331579cf6f9419df4797ba7bfed095b4292e5026c55
sha512
1dda1ce4f223cf42828da61bac4a3706e059974d535938cff8dbc5228e6c3212923e74ef365b75ea6a21cc4fab159ec921965c25a75896af89e52c7541f25cdf
ripemd-160
d014b0a9ebaf92537143822dd1f0b0945b6fb958
Diameter
42984014
Circumference
135038262.6042
Area
1.4511216425787E+15
Volume
4.1583355333536E+22
Surface area
5.8044865703146E+15
Circumference
135038262.6042
Perimeter
85968028
Area
461906364888049
Diagonal
30394287.782017
Surface area
2771438189328294
Volume
9.9272948275185E+21
Space diagonal
37225248.080626
Perimeter
64476021
Area
2.0001132308139E+14
Altitude
18612624.040313
Surface area
2.0001132308139E+14
Volume
1.1699429152294E+21
Height
10131429.260673