15663985 (number)

15663985 is an odd 8-digits composite number following 15663984 and preceding 15663986. In scientific notation, it is written as 1.5663985 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 12447600 positive integers (up to 15663985) that are relatively prime to 15663985.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-three thousand nine hundred eighty-five

Notation

Scientific notation 1.5663985 × 10^7
Engineering notation 1.5663985 × 10^6

Prime Factorization of 15663985

Prime Factorization 5 × 151 × 20747

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15663985
Product of the distinct prime numbers

The prime factorization of 15663985 is 5 × 151 × 20747. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15663985)

Multiplication

n×y
n×2 31327970
n×3 46991955
n×4 62655940
n×5 78319925

Division

n÷y
n÷2 7831992.5
n÷3 5221328.3333333
n÷3 3915996.25
n÷5 3132797

Exponentiation

ny
n2 245360426080225
n3 3.8433220337143E+21
n4 6.020173868627E+28
n5 9.4299913175565E+35

Nth Root

y√n
2√n 3957.7752589049
3√n 250.20774731639
4√n 62.910851678426
5√n 27.477704688011

Divisors of 15663985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15663984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15663985 can be divided by 8 positive divisors. The sum of these divisors (counting 15663985) is 1, the average is 0.125.

Base conversion 15663985

Base System Value
2 Binary 111011110000001101110001
3 Ternary 1002110210221121
4 Quaternary 323300031301
5 Quinary 13002221420
6 Senary 1315422241
8 Octal 73601561
10 Decimal 15663985
12 Duodecimal 52b4981
16 Hexadecimal ef0371
20 Vigesimal 4hhjj5
36 Base36 9bqep

Cryptographic Hash Functions

md5 626ea1201f2361556b433ad6bfec4d59
sha1 5b6b5f763bd6acae5678704d31e4bbbd407571fa
sha256 06948a1b8e3e00f7ec0b957f54c5c17d74dcb0d5ae0bd4b745efd5599410689d
sha512 07ec62bc3c89868c86e2d0bb3980f826f6915d96c9cffe2850ec89ee1df67ccc3d46a4cb85a9fb35c89b12d292b5a6d0c68585eadab1a28c5bc0e729cb3afd49
ripemd-160 65af0a976a5d129cef1cd52c470ed3336910a63d

15663985 as geometric shapes

Circle

Radius = n
Diameter 31327970
Circumference 98419720.403881
Area 7.708225120553E+14

Sphere

Radius = n
Volume 1.6098869688662E+22
Surface area 3.0832900482212E+15
Circumference 98419720.403881

Square

Length = n
Perimeter 62655940
Area 245360426080225
Diagonal 22152220.027809

Cube

Length = n
Surface area 1472162556481350
Volume 3.8433220337143E+21
Space diagonal 27130817.868997

Equilateral Triangle

Length = n
Perimeter 46991955
Area 1.0624418103442E+14
Altitude 13565408.934498

Triangular Pyramid

Length = n
Surface area 1.0624418103442E+14
Volume 4.5293984538717E+20
Height 7384073.3426029