13507981 (number)

13507981 is an odd 8-digits composite number following 13507980 and preceding 13507982. In scientific notation, it is written as 1.3507981 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 13485472 positive integers (up to 13507981) that are relatively prime to 13507981.

Interesting facts

Basic properties

Name

Name thirteen million five hundred seven thousand nine hundred eighty-one

Notation

Scientific notation 1.3507981 × 10^7
Engineering notation 1.3507981 × 10^6

Prime Factorization of 13507981

Prime Factorization 617 × 21893

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13507981
Product of the distinct prime numbers

The prime factorization of 13507981 is 617 × 21893. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 61, 25, 749, 378, 4758, 4882, 46464, 74927, 333582, 235346, 6632960, 7083585, 90063000, 81542883, 376447658, 975777141, 2398571150, 1212537207

Basic calculations (n = 13507981)

Multiplication

n×y
n×2 27015962
n×3 40523943
n×4 54031924
n×5 67539905

Division

n÷y
n÷2 6753990.5
n÷3 4502660.3333333
n÷3 3376995.25
n÷5 2701596.2

Exponentiation

ny
n2 182465550696361
n3 2.464741191961E+21
n4 3.3293677190926E+28
n5 4.4973035891517E+35

Nth Root

y√n
2√n 3675.3205302395
3√n 238.1570709509
4√n 60.624421896126
5√n 26.675839037835

Divisors of 13507981

1, 617, 21893, 13507981

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 -13507980
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 13507981 can be divided by 4 positive divisors. The sum of these divisors (counting 13507981) is 1, the average is 0.25.

Base conversion 13507981

Base System Value
2 Binary 110011100001110110001101
3 Ternary 221102021110121
4 Quaternary 303201312031
5 Quinary 11424223411
6 Senary 1201304541
8 Octal 63416615
10 Decimal 13507981
12 Duodecimal 4635151
16 Hexadecimal ce1d8d
20 Vigesimal 4489j1
36 Base36 81itp

Cryptographic Hash Functions

md5 96b7342d6accb644756ec3fb48a80d26
sha1 c0b10d1caadf012fcb78b5aa13953a3a3b1dc00a
sha256 d538f8994825926d6b9f75d987a38fbac8be38bc02645d5ef3f1b6dd21d086ea
sha512 173355a0b5a8f8462e78484eb1aca640e02dae7c81244d0d2c6bc1fb7193f973a0552e517e52d0bdb6d55ffb01245f20a69206407e3010f865c6fc24d882af86
ripemd-160 9873a40d41c4949f340a11c9884041d98c205294

13507981 as geometric shapes

Circle

Radius = n
Diameter 27015962
Circumference 84873147.748861
Area 5.732324336009E+14

Sphere

Radius = n
Volume 1.032428376222E+22
Surface area 2.2929297344036E+15
Circumference 84873147.748861

Square

Length = n
Perimeter 54031924
Area 182465550696361
Diagonal 19103169.930478

Cube

Length = n
Surface area 1094793304178166
Volume 2.464741191961E+21
Space diagonal 23396509.399675

Equilateral Triangle

Length = n
Perimeter 40523943
Area 79009901109283
Altitude 11698254.699838

Triangular Pyramid

Length = n
Surface area 79009901109283
Volume 2.9047253511757E+20
Height 6367723.3101594