21031009 is an odd 8-digits prime number following 21031008
and preceding 21031010 . In scientific notation, it is written as 2.1031009 × 10^7.
The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors.
There are 21031008 positive integers (up to 21031009) that are relatively prime to 21031009.
21031009 has 2 divisors, whose sum is 21031010
The reverse of 21031009 is 90013012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million thirty-one thousand nine
Scientific notation
2.1031009 × 10^7
Engineering notation
2.1031009 × 10^6
Prime Factorization
21031009
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21031009
Product of the distinct prime numbers
The prime factorization of 21031009 is 21031009.
Since it has a total of 1 prime factors.
2 , 2 , 54 , 98 , 676 , 490 , 8867 , 1878 , 7264 , 98957 , 966574 , 79507 , 9486688 , 2729947 , 6736867 , 8604632 , 942413160 , 577539654 , 9272588020 , 2088837952
n×2
42062018
n×3
63093027
n×4
84124036
n×5
105155045
n÷2
10515504.5
n÷3
7010336.3333333
n÷3
5257752.25
n÷5
4206201.8
n2
442303339558081
n3
9.3020855149761E+21
n4
1.9563224418423E+29
n5
4.1143434881288E+36
2 √n
4585.9578061731
3 √n
276.0281468529
4 √n
67.719700281182
5 √n
29.145534338357
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21031010
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10515505
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4585.9579152016
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999049023
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031009 can be divided by 2 positive divisors.
The sum of these divisors (counting 21031009) is 21031010, the average is 10515505.
Base
System
Value
2
Binary
1010000001110100001100001
3
Ternary
1110120111010021
4
Quaternary
1100032201201
5
Quinary
20340443014
6
Senary
2030433441
8
Octal
120164141
10
Decimal
21031009
12
Duodecimal
7062881
16
Hexadecimal
140e861
20
Vigesimal
6b8ha9
36
Base36
cirmp
md5
3061a5a5b87b88a8e5ba024fc4c384d4
sha1
3d0fe81a17c5ad572dc67b85fad026d295eccc59
sha256
2ab15d0fcafa8b9c3742dd3cbb7a933f7b47e731234996dd108c1e911ecbaaf3
sha512
1df30b8c1af989a702ee8c601c7115fe7c770f71aa27701127e9ebf19d69d0993244080e6358ddcbc3636abc12c7d5d4bfe4e58683cd8830ee9c9961f8da02e2
ripemd-160
ca792458860a76ea3448fac13ca47bd2064684fe
Diameter
42062018
Circumference
132141726.74396
Area
1.3895369222139E+15
Volume
3.8964484689217E+22
Surface area
5.5581476888556E+15
Circumference
132141726.74396
Perimeter
84124036
Area
442303339558081
Diagonal
29742338.158191
Surface area
2653820037348486
Volume
9.3020855149761E+21
Space diagonal
36426776.122438
Perimeter
63093027
Area
1.91522964118E+14
Altitude
18213388.061219
Surface area
1.91522964118E+14
Volume
1.0962612911361E+21
Height
9914112.7193969