15663891 (number)

15663891 is an odd 8-digits composite number following 15663890 and preceding 15663892. In scientific notation, it is written as 1.5663891 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 10397312 positive integers (up to 15663891) that are relatively prime to 15663891.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-three thousand eight hundred ninety-one

Notation

Scientific notation 1.5663891 × 10^7
Engineering notation 1.5663891 × 10^6

Prime Factorization of 15663891

Prime Factorization 3 × 233 × 22409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15663891
Product of the distinct prime numbers

The prime factorization of 15663891 is 3 × 233 × 22409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 12, 51, 79, 383, 8462, 9548, 41940, 27637, 790126, 430247, 2453321, 1414368, 66365354, 97432866, 864088800, 362325025, 6932717726, 995945675

Basic calculations (n = 15663891)

Multiplication

n×y
n×2 31327782
n×3 46991673
n×4 62655564
n×5 78319455

Division

n÷y
n÷2 7831945.5
n÷3 5221297
n÷3 3915972.75
n÷5 3132778.2

Exponentiation

ny
n2 245357481259881
n3 3.8432528424893E+21
n4 6.0200293610193E+28
n5 9.4297083727806E+35

Nth Root

y√n
2√n 3957.7633835286
3√n 250.20724681422
4√n 62.910757295781
5√n 27.477671709041

Divisors of 15663891

1, 3, 233, 699, 22409, 67227, 5221297, 15663891

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 -15663890
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 15663891 can be divided by 8 positive divisors. The sum of these divisors (counting 15663891) is 1, the average is 0.125.

Base conversion 15663891

Base System Value
2 Binary 111011110000001100010011
3 Ternary 1002110210211010
4 Quaternary 323300030103
5 Quinary 13002221031
6 Senary 1315422003
8 Octal 73601423
10 Decimal 15663891
12 Duodecimal 52b4903
16 Hexadecimal ef0313
20 Vigesimal 4hhjeb
36 Base36 9bqc3

Cryptographic Hash Functions

md5 6d59270faa062d28a1206573881be29e
sha1 f7d3c58ba6b1f52808a0a5620c451826fba4b3ef
sha256 115b28640eb7a9516ff84e40181b5b6f03a790c3cf9bbf08aa1f3cd9eedac411
sha512 87767f4fea5db0d686755df358efc3217c4ea77d346b6859539419c04f860256ab1f0abb2d19222d3e389da61c0508c708c7b22d8db0e21765f65873e970d17e
ripemd-160 7457a22cc4b9a4ebd765f5add9762e2a8f54ab0e

15663891 as geometric shapes

Circle

Radius = n
Diameter 31327782
Circumference 98419129.784463
Area 7.7081326062934E+14

Sphere

Radius = n
Volume 1.6098579861137E+22
Surface area 3.0832530425174E+15
Circumference 98419129.784463

Square

Length = n
Perimeter 62655564
Area 245357481259881
Diagonal 22152087.091734

Cube

Length = n
Surface area 1472144887559286
Volume 3.8432528424893E+21
Space diagonal 27130655.056221

Equilateral Triangle

Length = n
Perimeter 46991673
Area 1.0624290588981E+14
Altitude 13565327.52811

Triangular Pyramid

Length = n
Surface area 1.0624290588981E+14
Volume 4.5293169112311E+20
Height 7384029.030578