15978081 (number)

15978081 is an odd 8-digits composite number following 15978080 and preceding 15978082. In scientific notation, it is written as 1.5978081 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 8832384 positive integers (up to 15978081) that are relatively prime to 15978081.

Interesting facts

Basic properties

Name

Name fifteen million nine hundred seventy-eight thousand eighty-one

Notation

Scientific notation 1.5978081 × 10^7
Engineering notation 1.5978081 × 10^6

Prime Factorization of 15978081

Prime Factorization 3 × 7 × 89 × 83 × 103

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15978081
Product of the distinct prime numbers

The prime factorization of 15978081 is 3 × 7 × 89 × 83 × 103. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15978081)

Multiplication

n×y
n×2 31956162
n×3 47934243
n×4 63912324
n×5 79890405

Division

n÷y
n÷2 7989040.5
n÷3 5326027
n÷3 3994520.25
n÷5 3195616.2

Exponentiation

ny
n2 255299072442561
n3 4.0791892587121E+21
n4 6.5177616390032E+28
n5 1.0414132340669E+36

Nth Root

y√n
2√n 3997.2591859923
3√n 251.86908985428
4√n 63.223881453074
5√n 27.587028509198

Divisors of 15978081

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15978080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15978081 can be divided by 32 positive divisors. The sum of these divisors (counting 15978081) is 1, the average is 0.03125.

Base conversion 15978081

Base System Value
2 Binary 111100111100111001100001
3 Ternary 1010001202210210
4 Quaternary 330330321201
5 Quinary 13042244311
6 Senary 1330244333
8 Octal 74747141
10 Decimal 15978081
12 Duodecimal 54266a9
16 Hexadecimal f3ce61
20 Vigesimal 4jh541
36 Base36 9igrl

Cryptographic Hash Functions

md5 6c2811ce51cf207762e7c86876f65f7b
sha1 4cb3e40f771bd9fe8870ae3da1d64b257220a56a
sha256 ef3093b123e8d1ced0f1cd14029e77b430ec2c4c382c56afed1508eff195b9d0
sha512 7ccaf4500b867bab6844cb2ece3a7d2ecb48cc0d711742bdda925e2a0e6cc1e67e3bcd6b33ba8a374367e9679360841d1def9bfda7b84a65d3f6d95ba89a6f42
ripemd-160 acc7f3642d4fc579f7d489c0bd30b78f7a816156

15978081 as geometric shapes

Circle

Radius = n
Diameter 31956162
Circumference 100393243.77613
Area 8.0204569045384E+14

Sphere

Radius = n
Volume 1.7086868010363E+22
Surface area 3.2081827618154E+15
Circumference 100393243.77613

Square

Length = n
Perimeter 63912324
Area 255299072442561
Diagonal 22596418.850896

Cube

Length = n
Surface area 1531794434655366
Volume 4.0791892587121E+21
Space diagonal 27674848.099451

Equilateral Triangle

Length = n
Perimeter 47934243
Area 1.1054774114893E+14
Altitude 13837424.049725

Triangular Pyramid

Length = n
Surface area 1.1054774114893E+14
Volume 4.8073706442978E+20
Height 7532139.6169653