21407265 is an odd 8-digits composite number following 21407264
and preceding 21407266 . In scientific notation, it is written as 2.1407265 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 10189440 positive integers (up to 21407265) that are relatively prime to 21407265.
21407265 has 16 divisors, whose sum is 26424000
The reverse of 21407265 is 56270412
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million four hundred seven thousand two hundred sixty-five
Scientific notation
2.1407265 × 10^7
Engineering notation
2.1407265 × 10^6
Prime Factorization
99 × 5 × 59 × 733
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21407265
Product of the distinct prime numbers
The prime factorization of 21407265 is 99 × 5 × 59 × 733.
Since it has a total of 4 prime factors.
8 , 3 , 52 , 90 , 46 , 157 , 8709 , 8837 , 25695 , 55694 , 847954 , 545186 , 309080 , 8036759 , 47223781 , 99187963 , 445561710 , 84458603 , 4054537702 , 7235047003
n×2
42814530
n×3
64221795
n×4
85629060
n×5
107036325
n÷2
10703632.5
n÷3
7135755
n÷3
5351816.25
n÷5
4281453
n2
458270994780225
n3
9.8103286270739E+21
n4
2.1001230465686E+29
n5
4.4957890590501E+36
2 √n
4626.7985692053
3 √n
277.66452381621
4 √n
68.02057460214
5 √n
29.249081798247
1 , 5 , 59 , 99 , 295 , 495 , 733 , 3665 , 5841 , 29205 , 43247 , 72567 , 216235 , 362835 , 4281453 , 21407265
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21407264
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21407265 can be divided by 16 positive divisors.
The sum of these divisors (counting 21407265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001101010011000100001
3
Ternary
1111021121020200
4
Quaternary
1101222120201
5
Quinary
20440013030
6
Senary
2042455413
8
Octal
121523041
10
Decimal
21407265
12
Duodecimal
7204569
16
Hexadecimal
146a621
20
Vigesimal
6dfi35
36
Base36
cqty9
md5
15b958eae75b499e1fd16fbfc657934b
sha1
b45925df4f9f85cccdaaf44df3fff21b8a1e02b4
sha256
c4ea83ca2074a8d389d26859b555e8459155b1853168eddd87e27f736f2e0951
sha512
e26f38c48a429fc21455865c194a98e00425eb63df7271fc5800d2c1635992ef3dddae14ecd768fcd9a5b32bc5c7749eabab3cb852b3fc00362f4776c2168b10
ripemd-160
01bfc37eb4188682a7cbda2d10716122b6d80024
Diameter
42814530
Circumference
134505812.9149
Area
1.4397007905548E+15
Volume
4.1093408458823E+22
Surface area
5.7588031622194E+15
Circumference
134505812.9149
Perimeter
85629060
Area
458270994780225
Diagonal
30274444.496315
Surface area
2749625968681350
Volume
9.8103286270739E+21
Space diagonal
37078470.631091
Perimeter
64221795
Area
1.9843716164862E+14
Altitude
18539235.315545
Surface area
1.9843716164862E+14
Volume
1.1561583163121E+21
Height
10091481.498772