15693981 (number)

15693981 is an odd 8-digits composite number following 15693980 and preceding 15693982. In scientific notation, it is written as 1.5693981 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 9480240 positive integers (up to 15693981) that are relatively prime to 15693981.

Interesting facts

Basic properties

Name

Name fifteen million six hundred ninety-three thousand nine hundred eighty-one

Notation

Scientific notation 1.5693981 × 10^7
Engineering notation 1.5693981 × 10^6

Prime Factorization of 15693981

Prime Factorization 3 × 19 × 23 × 11971

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15693981
Product of the distinct prime numbers

The prime factorization of 15693981 is 3 × 19 × 23 × 11971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 22, 44, 113, 788, 215, 3424, 69271, 54491, 766500, 711525, 3158010, 2662199, 30295282, 3031428, 436554016, 154843257, 2551542542, 5743518396

Basic calculations (n = 15693981)

Multiplication

n×y
n×2 31387962
n×3 47081943
n×4 62775924
n×5 78469905

Division

n÷y
n÷2 7846990.5
n÷3 5231327
n÷3 3923495.25
n÷5 3138796.2

Exponentiation

ny
n2 246301039628361
n3 3.8654438362077E+21
n4 6.0664202122011E+28
n5 9.5206283548301E+35

Nth Root

y√n
2√n 3961.5629491401
3√n 250.36735859292
4√n 62.940948111227
5√n 27.488220410695

Divisors of 15693981

1, 3, 19, 23, 57, 69, 437, 1311, 11971, 35913, 227449, 275333, 682347, 825999, 5231327, 15693981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15693980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15693981 can be divided by 16 positive divisors. The sum of these divisors (counting 15693981) is 1, the average is 0.0625.

Base conversion 15693981

Base System Value
2 Binary 111011110111100010011101
3 Ternary 1002112100002120
4 Quaternary 323313202131
5 Quinary 13004201411
6 Senary 1320213153
8 Octal 73674235
10 Decimal 15693981
12 Duodecimal 530a1b9
16 Hexadecimal ef789d
20 Vigesimal 4i1ej1
36 Base36 9cdjx

Cryptographic Hash Functions

md5 d05863d6db6564083cb56effeb06e1d3
sha1 47ddb1a5dcf51da1a60195e75bd3ea10848107ef
sha256 36d48132409fc1f528f7d1b512be3fd190ac77c9b5c786dcacb3c7863132ece5
sha512 b2a214153f24db5dd0461c9ad57b9c0de91e0772a212d5e351924e9d348f0d15b87e59120a9d3cb9f1c6d6c0aab47dce033c3a49616346d4bb4617822619a04a
ripemd-160 eaf3b2dcf2f505b957154798772316a72c70804b

15693981 as geometric shapes

Circle

Radius = n
Diameter 31387962
Circumference 98608190.830356
Area 7.7377753666799E+14

Sphere

Radius = n
Volume 1.6191533278259E+22
Surface area 3.0951101466719E+15
Circumference 98608190.830356

Square

Length = n
Perimeter 62775924
Area 246301039628361
Diagonal 22194640.777826

Cube

Length = n
Surface area 1477806237770166
Volume 3.8654438362077E+21
Space diagonal 27182772.465021

Equilateral Triangle

Length = n
Perimeter 47081943
Area 1.0665147864834E+14
Altitude 13591386.23251

Triangular Pyramid

Length = n
Surface area 1.0665147864834E+14
Volume 4.5554692481304E+20
Height 7398213.5926086