15668891 (number)

15668891 is an odd 8-digits composite number following 15668890 and preceding 15668892. In scientific notation, it is written as 1.5668891 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 13430472 positive integers (up to 15668891) that are relatively prime to 15668891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5668891 × 10^7
Engineering notation 1.5668891 × 10^6

Prime Factorization of 15668891

Prime Factorization 7 × 2238413

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15668891
Product of the distinct prime numbers

The prime factorization of 15668891 is 7 × 2238413. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15668891)

Multiplication

n×y
n×2 31337782
n×3 47006673
n×4 62675564
n×5 78344455

Division

n÷y
n÷2 7834445.5
n÷3 5222963.6666667
n÷3 3917222.75
n÷5 3133778.2

Exponentiation

ny
n2 245514145169881
n3 3.846934379625E+21
n4 6.0277195478497E+28
n5 9.4447680573827E+35

Nth Root

y√n
2√n 3958.3950030284
3√n 250.23386649097
4√n 62.91577705972
5√n 27.479425689835

Divisors of 15668891

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 -15668890
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 15668891 can be divided by 4 positive divisors. The sum of these divisors (counting 15668891) is 1, the average is 0.25.

Base conversion 15668891

Base System Value
2 Binary 111011110001011010011011
3 Ternary 1002111001200022
4 Quaternary 323301122123
5 Quinary 13002401031
6 Senary 1315501055
8 Octal 73613233
10 Decimal 15668891
12 Duodecimal 52b778b
16 Hexadecimal ef169b
20 Vigesimal 4hic4b
36 Base36 9bu6z

Cryptographic Hash Functions

md5 b09855ce0911e1ed3e9757abbe96f642
sha1 e3e7e94612cf2afb05c6f0c3be03fff300d47e30
sha256 70b4612f91bfd18dac6611d533541cb73debe7f100b345d11489b0e8b14e996a
sha512 26fb45f76c42a47f5a94615bc9989e2b0c746aa38126388d5280cdb290ab2c09de8719f103a523f08ccd9ba379dfefffcba01db78dab1643681e2a2d8e475690
ripemd-160 87f6456bf6026b8aba25b2988bcb9e770a8644fe

15668891 as geometric shapes

Circle

Radius = n
Diameter 31337782
Circumference 98450545.710998
Area 7.7130543481808E+14

Sphere

Radius = n
Volume 1.6114001047829E+22
Surface area 3.0852217392723E+15
Circumference 98450545.710998

Square

Length = n
Perimeter 62675564
Area 245514145169881
Diagonal 22159158.159546

Cube

Length = n
Surface area 1473084871019286
Volume 3.846934379625E+21
Space diagonal 27139315.310259

Equilateral Triangle

Length = n
Perimeter 47006673
Area 1.0631074335277E+14
Altitude 13569657.655129

Triangular Pyramid

Length = n
Surface area 1.0631074335277E+14
Volume 4.5336556443542E+20
Height 7386386.0531819