21000279 is an odd 8-digits composite number following 21000278
and preceding 21000280 . In scientific notation, it is written as 2.1000279 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13791096 positive integers (up to 21000279) that are relatively prime to 21000279.
21000279 has 8 divisors, whose sum is 28418560
The reverse of 21000279 is 97200012
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million two hundred seventy-nine
Scientific notation
2.1000279 × 10^7
Engineering notation
2.1000279 × 10^6
Prime Factorization
3 × 67 × 104479
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21000279
Product of the distinct prime numbers
The prime factorization of 21000279 is 3 × 67 × 104479.
Since it has a total of 3 prime factors.
1 , 4 , 44 , 47 , 650 , 923 , 9299 , 4769 , 49369 , 97872 , 993913 , 329902 , 8097622 , 1203686 , 38286374 , 62960906 , 818072138 , 612856298 , 2348362355 , 7276634694
n×2
42000558
n×3
63000837
n×4
84001116
n×5
105001395
n÷2
10500139.5
n÷3
7000093
n÷3
5250069.75
n÷5
4200055.8
n2
441011718077841
n3
9.261369121904E+21
n4
1.9449133548197E+29
n5
4.084372308204E+36
2 √n
4582.6061362504
3 √n
275.89363944198
4 √n
67.694949119195
5 √n
29.137012006348
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
-21000278
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 21000279 can be divided by 8 positive divisors.
The sum of these divisors (counting 21000279) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111000001010111
3
Ternary
1110111220222010
4
Quaternary
1100013001113
5
Quinary
20334002104
6
Senary
2030035303
8
Octal
120070127
10
Decimal
21000279
12
Duodecimal
7048b33
16
Hexadecimal
1407057
20
Vigesimal
6b50dj
36
Base36
ci3x3
md5
034205a2264ac0316bd2929389d1e6a2
sha1
c6ae816cc2f753e0443ab54b91be13d280da6e1d
sha256
6ade915d4643b6c17aa877e196df2e1effe6ba82d0022aa506334da098c45c94
sha512
6a303feff6ce32a20b6891c82d1f45ace64d70046cec5c2320e5e5ded4b638665fd8b631372479d0647142005b28d2d178596d94d0bb7246ba7c1d274fe8ba66
ripemd-160
d08caef8e94acfb1eb1b40b4047d530d92f8176c
Diameter
42000558
Circumference
131948644.45947
Area
1.3854791736604E+15
Volume
3.8793932260743E+22
Surface area
5.5419166946414E+15
Circumference
131948644.45947
Perimeter
84001116
Area
441011718077841
Diagonal
29698879.375419
Surface area
2646070308467046
Volume
9.261369121904E+21
Space diagonal
36373550.201122
Perimeter
63000837
Area
1.9096367561102E+14
Altitude
18186775.100561
Surface area
1.9096367561102E+14
Volume
1.091462818195E+21
Height
9899626.458473