15691990 (number)

15691990 is an even 8-digits composite number following 15691989 and preceding 15691991. In scientific notation, it is written as 1.5691990 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 6130656 positive integers (up to 15691990) that are relatively prime to 15691990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5691990 × 10^7
Engineering notation 1.5691990 × 10^6

Prime Factorization of 15691990

Prime Factorization 2 × 5 × 43 × 36493

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15691990
Product of the distinct prime numbers

The prime factorization of 15691990 is 2 × 5 × 43 × 36493. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 54, 7, 232, 783, 8915, 2278, 25437, 99819, 348318, 381869, 4277075, 2057131, 4486755, 48675363, 576621084, 254752658, 2716804725, 803166978

Basic calculations (n = 15691990)

Multiplication

n×y
n×2 31383980
n×3 47075970
n×4 62767960
n×5 78459950

Division

n÷y
n÷2 7845995
n÷3 5230663.3333333
n÷3 3922997.5
n÷5 3138398

Exponentiation

ny
n2 246238550160100
n3 3.8639728667268E+21
n4 6.0633423584948E+28
n5 9.5145907656077E+35

Nth Root

y√n
2√n 3961.3116514609
3√n 250.35677061671
4√n 62.938951782349
5√n 27.487522922603

Divisors of 15691990

1, 2, 5, 10, 43, 86, 215, 430, 36493, 72986, 182465, 364930, 1569199, 3138398, 7845995, 15691990

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 -15691989
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 15691990 can be divided by 16 positive divisors. The sum of these divisors (counting 15691990) is 1, the average is 0.0625.

Base conversion 15691990

Base System Value
2 Binary 111011110111000011010110
3 Ternary 1002112020100211
4 Quaternary 323313003112
5 Quinary 13004120430
6 Senary 1320200034
8 Octal 73670326
10 Decimal 15691990
12 Duodecimal 530901a
16 Hexadecimal ef70d6
20 Vigesimal 4i19ja
36 Base36 9cc0m

Cryptographic Hash Functions

md5 212fae8a9e0fe6f51e07134ee727d388
sha1 0b471eefca31a214af7c064584b1b486f4ce9d8a
sha256 e57d0a9d1a01b8dc0184d9b4646154612302045c3becb3fc92da88c94f1a3056
sha512 a77084bf65a42e74f3298628eb0d5af7b0fd4abbcc4db2ffd7a74cfb24016a7d37df0281c44434626a57676d2407b666e2cc111aaa1010de2291fb29ec4fc8a9
ripemd-160 146c44d73376257f754ac39f45705af334f28b7d

15691990 as geometric shapes

Circle

Radius = n
Diameter 31383980
Circumference 98595681.008409
Area 7.7358122021357E+14

Sphere

Radius = n
Volume 1.6185371695706E+22
Surface area 3.0943248808543E+15
Circumference 98595681.008409

Square

Length = n
Perimeter 62767960
Area 246238550160100
Diagonal 22191825.078623

Cube

Length = n
Surface area 1477431300960600
Volume 3.8639728667268E+21
Space diagonal 27179323.951863

Equilateral Triangle

Length = n
Perimeter 47075970
Area 1.0662441991485E+14
Altitude 13589661.975931

Triangular Pyramid

Length = n
Surface area 1.0662441991485E+14
Volume 4.5537356939722E+20
Height 7397275.0262077