15742021 (number)

15742021 is an odd 8-digits composite number following 15742020 and preceding 15742022. In scientific notation, it is written as 1.5742021 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 15680512 positive integers (up to 15742021) that are relatively prime to 15742021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5742021 × 10^7
Engineering notation 1.5742021 × 10^6

Prime Factorization of 15742021

Prime Factorization 257 × 61253

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15742021
Product of the distinct prime numbers

The prime factorization of 15742021 is 257 × 61253. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15742021)

Multiplication

n×y
n×2 31484042
n×3 47226063
n×4 62968084
n×5 78710105

Division

n÷y
n÷2 7871010.5
n÷3 5247340.3333333
n÷3 3935505.25
n÷5 3148404.2

Exponentiation

ny
n2 247811225164441
n3 3.9010495105744E+21
n4 6.1410403317501E+28
n5 9.6672385864257E+35

Nth Root

y√n
2√n 3967.6215797377
3√n 250.62256038736
4√n 62.989059206641
5√n 27.505028385491

Divisors of 15742021

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 -15742020
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 15742021 can be divided by 4 positive divisors. The sum of these divisors (counting 15742021) is 1, the average is 0.25.

Base conversion 15742021

Base System Value
2 Binary 111100000011010001000101
3 Ternary 1002121202222211
4 Quaternary 330003101011
5 Quinary 13012221041
6 Senary 1321223421
8 Octal 74032105
10 Decimal 15742021
12 Duodecimal 5331b71
16 Hexadecimal f03445
20 Vigesimal 4i7f11
36 Base36 9demd

Cryptographic Hash Functions

md5 91ced17612976d04a21bb2c0a46b8762
sha1 ce5dfa5c998a714fdde2f5b1014f778483737c16
sha256 5f55bd0e5777b161af2be05a22725e4d8d1108133ba51df95e65f7c1936222ac
sha512 5cb8753379c4d848a3a04799034f548f4aa291692d3f8edb04fda494d0e566d30e0ce0f86874bdd7488215e323d13260708d8d7842921e377f06ff43a3cff0e9
ripemd-160 3abc309eacdb3cd724a749843566c0ef013be434

15742021 as geometric shapes

Circle

Radius = n
Diameter 31484042
Circumference 98910035.052512
Area 7.7852192445369E+14

Sphere

Radius = n
Volume 1.6340677978281E+22
Surface area 3.1140876978148E+15
Circumference 98910035.052512

Square

Length = n
Perimeter 62968084
Area 247811225164441
Diagonal 22262579.597362

Cube

Length = n
Surface area 1486867350986646
Volume 3.9010495105744E+21
Space diagonal 27265980.185816

Equilateral Triangle

Length = n
Perimeter 47226063
Area 1.0730540816768E+14
Altitude 13632990.092908

Triangular Pyramid

Length = n
Surface area 1.0730540816768E+14
Volume 4.597430937786E+20
Height 7420859.8657874