21002007 is an odd 8-digits composite number following 21002006
and preceding 21002008 . In scientific notation, it is written as 2.1002007 × 10^7.
The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors.
There are 12924288 positive integers (up to 21002007) that are relatively prime to 21002007.
21002007 has 8 divisors, whose sum is 30156784
The reverse of 21002007 is 70020012
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million two thousand seven
Scientific notation
2.1002007 × 10^7
Engineering notation
2.1002007 × 10^6
Prime Factorization
3 × 13 × 538513
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21002007
Product of the distinct prime numbers
The prime factorization of 21002007 is 3 × 13 × 538513.
Since it has a total of 3 prime factors.
5 , 9 , 6 , 72 , 25 , 196 , 1552 , 3926 , 61217 , 71415 , 859139 , 176795 , 6264111 , 9719091 , 31272376 , 26613715 , 293869403 , 74496445 , 4439797736 , 9377612442
n×2
42004014
n×3
63006021
n×4
84008028
n×5
105010035
n÷2
10501003.5
n÷3
7000669
n÷3
5250501.75
n÷5
4200401.4
n2
441084298028049
n3
9.2636555147752E+21
n4
1.945553579669E+29
n5
4.0860529899083E+36
2 √n
4582.7946713768
3 √n
275.90120650229
4 √n
67.696341639537
5 √n
29.137491496165
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21002006
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21002007 can be divided by 8 positive divisors.
The sum of these divisors (counting 21002007) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111011100010111
3
Ternary
1110112000100010
4
Quaternary
1100013130113
5
Quinary
20334031012
6
Senary
2030051303
8
Octal
120073427
10
Decimal
21002007
12
Duodecimal
7049b33
16
Hexadecimal
1407717
20
Vigesimal
6b5507
36
Base36
ci593
md5
c57789662ded4462379e1008af53ff2f
sha1
2381db64e804e8c5f8467037464b85f36bef73c6
sha256
7e0082dd07ce6731a48febc52aa28282bdc3adf1c64428cfcf09c07dac2b2e9e
sha512
d62c513a3a98d2376ab5e67ac0396c20e9d3fde00c99e1c66a6c880316429c4a3be84d38d92499138a5f93567ed535863b5a33a71ed3e4f42e66f2f2fdbf2085
ripemd-160
e2e2c9f9e895e30ddf5122b9212431e526b53d43
Diameter
42004014
Circumference
131959501.80368
Area
1.3857071902987E+15
Volume
3.8803509480806E+22
Surface area
5.5428287611949E+15
Circumference
131959501.80368
Perimeter
84008028
Area
441084298028049
Diagonal
29701323.136455
Surface area
2646505788168294
Volume
9.2636555147752E+21
Space diagonal
36376543.184917
Perimeter
63006021
Area
1.9099510365136E+14
Altitude
18188271.592459
Surface area
1.9099510365136E+14
Volume
1.0917322721789E+21
Height
9900441.0454849