15742921 (number)

15742921 is an odd 8-digits composite number following 15742920 and preceding 15742922. In scientific notation, it is written as 1.5742921 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 15668100 positive integers (up to 15742921) that are relatively prime to 15742921.

Interesting facts

Basic properties

Name

Name fifteen million seven hundred forty-two thousand nine hundred twenty-one

Notation

Scientific notation 1.5742921 × 10^7
Engineering notation 1.5742921 × 10^6

Prime Factorization of 15742921

Prime Factorization 211 × 74611

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15742921
Product of the distinct prime numbers

The prime factorization of 15742921 is 211 × 74611. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15742921)

Multiplication

n×y
n×2 31485842
n×3 47228763
n×4 62971684
n×5 78714605

Division

n÷y
n÷2 7871460.5
n÷3 5247640.3333333
n÷3 3935730.25
n÷5 3148584.2

Exponentiation

ny
n2 247839561612241
n3 3.9017186391361E+21
n4 6.1424448300148E+28
n5 9.6700023705781E+35

Nth Root

y√n
2√n 3967.7349961912
3√n 250.62733647903
4√n 62.989959487137
5√n 27.505342880808

Divisors of 15742921

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 -15742920
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 15742921 can be divided by 4 positive divisors. The sum of these divisors (counting 15742921) is 1, the average is 0.25.

Base conversion 15742921

Base System Value
2 Binary 111100000011011111001001
3 Ternary 1002121211020011
4 Quaternary 330003133021
5 Quinary 13012233141
6 Senary 1321231521
8 Octal 74033711
10 Decimal 15742921
12 Duodecimal 53325a1
16 Hexadecimal f037c9
20 Vigesimal 4i7h61
36 Base36 9dfbd

Cryptographic Hash Functions

md5 2923ad37cc5ac19c303f744eabffd34d
sha1 2c098eed39b4e474519a2fbb8fcd48485ca5e9e0
sha256 b0ad873fdf2c4218fb0e3d996dba4961dc84ca846581d6a1f2fbb5d6c5456007
sha512 6c29a0978b62fa10bf4f8e17fc65dbaa1228dde28db212a08fb7e6b8fd73f1a70aa36f6849d6b9242315b5ed4b14af893a41e3940ec282fa36f8ce0db6609598
ripemd-160 ff607aec05ea8469541c6a9bcf9735b9eeeb0a28

15742921 as geometric shapes

Circle

Radius = n
Diameter 31485842
Circumference 98915689.919289
Area 7.7861094602993E+14

Sphere

Radius = n
Volume 1.6343480817446E+22
Surface area 3.1144437841197E+15
Circumference 98915689.919289

Square

Length = n
Perimeter 62971684
Area 247839561612241
Diagonal 22263852.389568

Cube

Length = n
Surface area 1487037369673446
Volume 3.9017186391361E+21
Space diagonal 27267539.031543

Equilateral Triangle

Length = n
Perimeter 47228763
Area 1.073176782095E+14
Altitude 13633769.515772

Triangular Pyramid

Length = n
Surface area 1.073176782095E+14
Volume 4.5982195133585E+20
Height 7421284.1298561