15972021 (number)

15972021 is an odd 8-digits composite number following 15972020 and preceding 15972022. In scientific notation, it is written as 1.5972021 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 9828000 positive integers (up to 15972021) that are relatively prime to 15972021.

Interesting facts

Basic properties

Name

Name fifteen million nine hundred seventy-two thousand twenty-one

Notation

Scientific notation 1.5972021 × 10^7
Engineering notation 1.5972021 × 10^6

Prime Factorization of 15972021

Prime Factorization 9 × 13 × 13 × 10501

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1228617
Product of the distinct prime numbers

The prime factorization of 15972021 is 9 × 13 × 13 × 10501. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15972021)

Multiplication

n×y
n×2 31944042
n×3 47916063
n×4 63888084
n×5 79860105

Division

n÷y
n÷2 7986010.5
n÷3 5324007
n÷3 3993005.25
n÷5 3194404.2

Exponentiation

ny
n2 255105454824441
n3 4.0745496816705E+21
n4 6.5078793081185E+28
n5 1.0394398497473E+36

Nth Root

y√n
2√n 3996.5010947077
3√n 251.83724373358
4√n 63.217885876607
5√n 27.584935607545

Divisors of 15972021

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15972020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15972021 can be divided by 12 positive divisors. The sum of these divisors (counting 15972021) is 1, the average is 0.083333333333333.

Base conversion 15972021

Base System Value
2 Binary 111100111011011010110101
3 Ternary 1010001110111100
4 Quaternary 330323122311
5 Quinary 13042101041
6 Senary 1330200313
8 Octal 74733265
10 Decimal 15972021
12 Duodecimal 5423099
16 Hexadecimal f3b6b5
20 Vigesimal 4jga11
36 Base36 9ic39

Cryptographic Hash Functions

md5 6b45b618f92b85eb610c8242c4de7c83
sha1 221470da285513fca8f1ed1691a51f02ce829f90
sha256 12f942aac80454dcfb0ef3174aa8d0d16d94ff3dfd2c558996447d760c2f2b03
sha512 575cee9279e98d86a89bbb8dcdc6f256e1482d7e29fc8c9b50a2f16f6b3834d794191731fb38154ee369ca6aa2631b0b6dd336f5662cf46ed084c2c1443846e6
ripemd-160 671f1d53804abba59f9d658b67b0c629bf679249

15972021 as geometric shapes

Circle

Radius = n
Diameter 31944042
Circumference 100355167.67316
Area 8.0143742276715E+14

Sphere

Radius = n
Volume 1.7067433795497E+22
Surface area 3.2057496910686E+15
Circumference 100355167.67316

Square

Length = n
Perimeter 63888084
Area 255105454824441
Diagonal 22587848.716708

Cube

Length = n
Surface area 1530632728946646
Volume 4.0745496816705E+21
Space diagonal 27664351.871557

Equilateral Triangle

Length = n
Perimeter 47916063
Area 1.1046390226097E+14
Altitude 13832175.935779

Triangular Pyramid

Length = n
Surface area 1.1046390226097E+14
Volume 4.8019028503179E+20
Height 7529282.9055693