15721340 (number)

15721340 is an even 8-digits composite number following 15721339 and preceding 15721341. In scientific notation, it is written as 1.5721340 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors. There are 6085440 positive integers (up to 15721340) that are relatively prime to 15721340.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5721340 × 10^7
Engineering notation 1.5721340 × 10^6

Prime Factorization of 15721340

Prime Factorization 2 × 2 × 5 × 31 × 25357

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7860670
Product of the distinct prime numbers

The prime factorization of 15721340 is 2 × 2 × 5 × 31 × 25357. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 65, 38, 521, 941, 9713, 4360, 51781, 84481, 779771, 415889, 6638256, 8663550, 8532837, 2536298, 200242352, 197890195, 7942897658, 5067339378

Basic calculations (n = 15721340)

Multiplication

n×y
n×2 31442680
n×3 47164020
n×4 62885360
n×5 78606700

Division

n÷y
n÷2 7860670
n÷3 5240446.6666667
n÷3 3930335
n÷5 3144268

Exponentiation

ny
n2 247160531395600
n3 3.8856947486509E+21
n4 6.1088328279755E+28
n5 9.6039037891765E+35

Nth Root

y√n
2√n 3965.014501865
3√n 250.51276091927
4√n 62.968361117827
5√n 27.497797666542

Divisors of 15721340

1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 25357, 50714, 101428, 126785, 253570, 507140, 786067, 1572134, 3144268, 3930335, 7860670, 15721340

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15721339
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15721340 can be divided by 24 positive divisors. The sum of these divisors (counting 15721340) is 1, the average is 0.041666666666667.

Base conversion 15721340

Base System Value
2 Binary 111011111110001101111100
3 Ternary 1002120201121212
4 Quaternary 323332031330
5 Quinary 13011040330
6 Senary 1320543552
8 Octal 73761574
10 Decimal 15721340
12 Duodecimal 5321bb8
16 Hexadecimal efe37c
20 Vigesimal 4i5370
36 Base36 9cynw

Cryptographic Hash Functions

md5 5b561b9b40c7a4cfb7c0e2afbea82f4f
sha1 ddd61e65ce066f0dd5938fc62497a17805be6f09
sha256 a11fd4c41338bb07d3cc0057f7ecad2a2023ca894a682a483ad0d54931abcfa3
sha512 176e49706a7e3cb7b22ec9c9385fafa38489f78f7989391780ea1157a1d42c04c058632a2671f0e4af18deb9f10b38ba8df0f8f0bc989352205ce75161f4b418
ripemd-160 5956e7ca7ce6c80a7768f4023a553bd11569d416

15721340 as geometric shapes

Circle

Radius = n
Diameter 31442680
Circumference 98780092.497175
Area 7.7647770968977E+14

Sphere

Radius = n
Volume 1.6276360101939E+22
Surface area 3.1059108387591E+15
Circumference 98780092.497175

Square

Length = n
Perimeter 62885360
Area 247160531395600
Diagonal 22233332.246679

Cube

Length = n
Surface area 1482963188373600
Volume 3.8856947486509E+21
Space diagonal 27230159.643065

Equilateral Triangle

Length = n
Perimeter 47164020
Area 1.0702364950073E+14
Altitude 13615079.821532

Triangular Pyramid

Length = n
Surface area 1.0702364950073E+14
Volume 4.57933517732E+20
Height 7411110.7488929