15981925 (number)

15981925 is an odd 8-digits composite number following 15981924 and preceding 15981926. In scientific notation, it is written as 1.5981925 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 12714800 positive integers (up to 15981925) that are relatively prime to 15981925.

Interesting facts

Basic properties

Name

Name fifteen million nine hundred eighty-one thousand nine hundred twenty-five

Notation

Scientific notation 1.5981925 × 10^7
Engineering notation 1.5981925 × 10^6

Prime Factorization of 15981925

Prime Factorization 5 × 5 × 191 × 3347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3196385
Product of the distinct prime numbers

The prime factorization of 15981925 is 5 × 5 × 191 × 3347. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 52, 43, 171, 478, 568, 7432, 15459, 84112, 732163, 612359, 3970008, 4092990, 17956121, 38697441, 864768656, 540821987, 6315187171, 5749280056

Basic calculations (n = 15981925)

Multiplication

n×y
n×2 31963850
n×3 47945775
n×4 63927700
n×5 79909625

Division

n÷y
n÷2 7990962.5
n÷3 5327308.3333333
n÷3 3995481.25
n÷5 3196385

Exponentiation

ny
n2 255421926705625
n3 4.0821340759648E+21
n4 6.5240360642014E+28
n5 1.0426665507536E+36

Nth Root

y√n
2√n 3997.7399865424
3√n 251.88928642127
4√n 63.227683703757
5√n 27.588355756621

Divisors of 15981925

1, 5, 25, 191, 955, 3347, 4775, 16735, 83675, 639277, 3196385, 15981925

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15981924
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15981925 can be divided by 12 positive divisors. The sum of these divisors (counting 15981925) is 1, the average is 0.083333333333333.

Base conversion 15981925

Base System Value
2 Binary 111100111101110101100101
3 Ternary 1010001222002011
4 Quaternary 330331311211
5 Quinary 13042410200
6 Senary 1330314221
8 Octal 74756545
10 Decimal 15981925
12 Duodecimal 5428971
16 Hexadecimal f3dd65
20 Vigesimal 4jheg5
36 Base36 9ijqd

Cryptographic Hash Functions

md5 4f3b9b62269d7b9349a26f4d0358485d
sha1 78e5eab7a234a15129a62a83b306db40926a30ba
sha256 ae6295bea385fd4f0756a34593078be7f90116b29030ea638422f6fe7db8189c
sha512 2b1262c483e9dd5a901c2309af3637f200dfac284bea99e60936cbff2747569c5216a8ae972a9e42078f162fd028cde92198c1eeba19f78c360d1ac0b96b1855
ripemd-160 8caa2ea1b62e328d62c2d841846492860a1a0b88

15981925 as geometric shapes

Circle

Radius = n
Diameter 31963850
Circumference 100417396.34045
Area 8.0243164850414E+14

Sphere

Radius = n
Volume 1.7099203232026E+22
Surface area 3.2097265940166E+15
Circumference 100417396.34045

Square

Length = n
Perimeter 63927700
Area 255421926705625
Diagonal 22601855.08783

Cube

Length = n
Surface area 1532531560233750
Volume 4.0821340759648E+21
Space diagonal 27681506.102755

Equilateral Triangle

Length = n
Perimeter 47945775
Area 1.1060093860532E+14
Altitude 13840753.051378

Triangular Pyramid

Length = n
Surface area 1.1060093860532E+14
Volume 4.8108411447123E+20
Height 7533951.6959432