15771421 (number)

15771421 is an odd 8-digits composite number following 15771420 and preceding 15771422. In scientific notation, it is written as 1.5771421 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 15750144 positive integers (up to 15771421) that are relatively prime to 15771421.

Interesting facts

Basic properties

Name

Name fifteen million seven hundred seventy-one thousand four hundred twenty-one

Notation

Scientific notation 1.5771421 × 10^7
Engineering notation 1.5771421 × 10^6

Prime Factorization of 15771421

Prime Factorization 769 × 20509

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15771421
Product of the distinct prime numbers

The prime factorization of 15771421 is 769 × 20509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15771421)

Multiplication

n×y
n×2 31542842
n×3 47314263
n×4 63085684
n×5 78857105

Division

n÷y
n÷2 7885710.5
n÷3 5257140.3333333
n÷3 3942855.25
n÷5 3154284.2

Exponentiation

ny
n2 248737720359241
n3 3.9229473063659E+21
n4 6.1870453529512E+28
n5 9.7578497007487E+35

Nth Root

y√n
2√n 3971.3248419136
3√n 250.77848532616
4√n 63.018448425152
5√n 27.51529446777

Divisors of 15771421

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 -15771420
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 15771421 can be divided by 4 positive divisors. The sum of these divisors (counting 15771421) is 1, the average is 0.25.

Base conversion 15771421

Base System Value
2 Binary 111100001010011100011101
3 Ternary 1002200021022201
4 Quaternary 330022130131
5 Quinary 13014141141
6 Senary 1322011501
8 Octal 74123435
10 Decimal 15771421
12 Duodecimal 5346b91
16 Hexadecimal f0a71d
20 Vigesimal 4ib8b1
36 Base36 9e1b1

Cryptographic Hash Functions

md5 449bff541971b713d4b85af3ab77ce36
sha1 2600631e7c2fe3f443eeb49377d878d0b3c6d220
sha256 59ba0a3c2b6ad7c23bdef85ecb110b3a28dc094c7f187763f2419936bd96aa36
sha512 9b5b8a4b20daa6c5b3a87dea773c58c553b5f38347cde799b2d5e27b1101e6199fd7c74698ebb7ea08c040d7537685823bf90eefe2af436dbbf0bf4e2c0b19cc
ripemd-160 fe745dbf73d9fd4a3d8cfb6ba388e4fd1428c366

15771421 as geometric shapes

Circle

Radius = n
Diameter 31542842
Circumference 99094760.700544
Area 7.8143259495126E+14

Sphere

Radius = n
Volume 1.6432403250798E+22
Surface area 3.1257303798051E+15
Circumference 99094760.700544

Square

Length = n
Perimeter 63085684
Area 248737720359241
Diagonal 22304157.476096

Cube

Length = n
Surface area 1492426322155446
Volume 3.9229473063659E+21
Space diagonal 27316902.479559

Equilateral Triangle

Length = n
Perimeter 47314263
Area 1.0770659235527E+14
Altitude 13658451.239779

Triangular Pyramid

Length = n
Surface area 1.0770659235527E+14
Volume 4.6232377376147E+20
Height 7434719.1586986