21009007 is an odd 8-digits composite number following 21009006
and preceding 21009008 . In scientific notation, it is written as 2.1009007 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 20441160 positive integers (up to 21009007) that are relatively prime to 21009007.
21009007 has 4 divisors, whose sum is 21576856
The reverse of 21009007 is 70090012
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million nine thousand seven
Scientific notation
2.1009007 × 10^7
Engineering notation
2.1009007 × 10^6
Prime Factorization
37 × 567811
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21009007
Product of the distinct prime numbers
The prime factorization of 21009007 is 37 × 567811.
Since it has a total of 2 prime factors.
9 , 1 , 44 , 12 , 366 , 526 , 7108 , 2364 , 64403 , 2090 , 301119 , 188382 , 4911128 , 9114113 , 73055900 , 89424963 , 51924696 , 697930022 , 6154094014 , 9716015189
n×2
42018014
n×3
63027021
n×4
84036028
n×5
105045035
n÷2
10504503.5
n÷3
7003002.3333333
n÷3
5252251.75
n÷5
4201801.4
n2
441378375126049
n3
9.2729213726718E+21
n4
1.9481487002891E+29
n5
4.0928669681415E+36
2 √n
4583.5583338712
3 √n
275.93185585747
4 √n
67.70198175734
5 √n
29.13943355107
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
-21009006
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 21009007 can be divided by 4 positive divisors.
The sum of these divisors (counting 21009007) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001001001001101111
3
Ternary
1110112100221101
4
Quaternary
1100021021233
5
Quinary
20334242012
6
Senary
2030143531
8
Octal
120111157
10
Decimal
21009007
12
Duodecimal
7051ba7
16
Hexadecimal
140926f
20
Vigesimal
6b62a7
36
Base36
cianj
md5
a35cb69ccb8443af02948de2dc2a59a8
sha1
e1786739e9532a00aabd6b4b69b2a17fbf8487e1
sha256
933f5af9fc7dfe0f07b689273c04d72f3e7bb71e5dcc1e2e4157412e12303976
sha512
914ae732d03d15641777440ee7442f491d937f9583d6f478355d1411b85574c296f97c65b1ce4cabae873637ae8db25965589a469dd444dd316b6fcab2da247a
ripemd-160
0257c538cfdcca3a48543286152bb429b4a58ed6
Diameter
42018014
Circumference
132003484.10083
Area
1.3866310607494E+15
Volume
3.8842322215602E+22
Surface area
5.5465242429976E+15
Circumference
132003484.10083
Perimeter
84036028
Area
441378375126049
Diagonal
29711222.631391
Surface area
2648270250756294
Volume
9.2729213726718E+21
Space diagonal
36388667.54057
Perimeter
63027021
Area
1.9112244277013E+14
Altitude
18194333.770285
Surface area
1.9112244277013E+14
Volume
1.0928242640043E+21
Height
9903740.8771304