19406721 (number)

19406721 is an odd 8-digits composite number following 19406720 and preceding 19406722. In scientific notation, it is written as 1.9406721 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 12937812 positive integers (up to 19406721) that are relatively prime to 19406721.

Interesting facts

Basic properties

Name

Name nineteen million four hundred six thousand seven hundred twenty-one

Notation

Scientific notation 1.9406721 × 10^7
Engineering notation 1.9406721 × 10^6

Prime Factorization of 19406721

Prime Factorization 3 × 6468907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19406721
Product of the distinct prime numbers

The prime factorization of 19406721 is 3 × 6468907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19406721)

Multiplication

n×y
n×2 38813442
n×3 58220163
n×4 77626884
n×5 97033605

Division

n÷y
n÷2 9703360.5
n÷3 6468907
n÷3 4851680.25
n÷5 3881344.2

Exponentiation

ny
n2 376620819971841
n3 7.3089751759847E+21
n4 1.4184324203626E+29
n5 2.7527122239332E+36

Nth Root

y√n
2√n 4405.3060052623
3√n 268.7307643705
4√n 66.372479276145
5√n 28.680745280579

Divisors of 19406721

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 -19406720
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 19406721 can be divided by 4 positive divisors. The sum of these divisors (counting 19406721) is 1, the average is 0.25.

Base conversion 19406721

Base System Value
2 Binary 1001010000001111110000001
3 Ternary 1100111222000110
4 Quaternary 1022001332001
5 Quinary 14432003341
6 Senary 1531541533
8 Octal 112017601
10 Decimal 19406721
12 Duodecimal 65ba8a9
16 Hexadecimal 1281f81
20 Vigesimal 615gg1
36 Base36 bjybl

Cryptographic Hash Functions

md5 ed41c9c5f46541de91120c4009e2aaf6
sha1 3baac348e48d9baf2d66d7d09d019f95477e6818
sha256 818f8ccfc4c0db9abe77c5b298e606b5d8bfaf89c196ec113fad1212ba3e78f0
sha512 ce1548517f6716e0dd1c143b2e14335b7459f77268cbeee2935a5a6e7d2183ed74b63456601668bdf142130ec6a3643964a4c3c50157d808392050e1be406cff
ripemd-160 1458b04a23c4a67c2b3713c23d8b3c3579820aa8

19406721 as geometric shapes

Circle

Radius = n
Diameter 38813442
Circumference 121936024.24773
Area 1.1831892012125E+15

Sphere

Radius = n
Volume 3.0615763624192E+22
Surface area 4.73275680485E+15
Circumference 121936024.24773

Square

Length = n
Perimeter 77626884
Area 376620819971841
Diagonal 27445248.039391

Cube

Length = n
Surface area 2259724919831046
Volume 7.3089751759847E+21
Space diagonal 33613426.780314

Equilateral Triangle

Length = n
Perimeter 58220163
Area 1.6308159884487E+14
Altitude 16806713.390157

Triangular Pyramid

Length = n
Surface area 1.6308159884487E+14
Volume 8.6137098507716E+20
Height 9148416.0131303