15281985 (number)

15281985 is an odd 8-digits composite number following 15281984 and preceding 15281986. In scientific notation, it is written as 1.5281985 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 7281792 positive integers (up to 15281985) that are relatively prime to 15281985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5281985 × 10^7
Engineering notation 1.5281985 × 10^6

Prime Factorization of 15281985

Prime Factorization 15 × 19 × 43 × 43 × 29

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 355395
Product of the distinct prime numbers

The prime factorization of 15281985 is 15 × 19 × 43 × 43 × 29. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15281985)

Multiplication

n×y
n×2 30563970
n×3 45845955
n×4 61127940
n×5 76409925

Division

n÷y
n÷2 7640992.5
n÷3 5093995
n÷3 3820496.25
n÷5 3056397

Exponentiation

ny
n2 233539065540225
n3 3.5689404964997E+21
n4 5.4540495133402E+28
n5 8.3348702852121E+35

Nth Root

y√n
2√n 3909.217952481
3√n 248.15703395626
4√n 62.523739111485
5√n 27.34235727529

Divisors of 15281985

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15281984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15281985 can be divided by 24 positive divisors. The sum of these divisors (counting 15281985) is 1, the average is 0.041666666666667.

Base conversion 15281985

Base System Value
2 Binary 111010010010111101000001
3 Ternary 1001202101221110
4 Quaternary 322102331001
5 Quinary 12403010420
6 Senary 1303313533
8 Octal 72227501
10 Decimal 15281985
12 Duodecimal 514b8a9
16 Hexadecimal e92f41
20 Vigesimal 4fa4j5
36 Base36 93jnl

Cryptographic Hash Functions

md5 214785a218acfacd2654b3ea9720a531
sha1 4a1105e635ed7c09fa8bfb21982fdd8a8af0148e
sha256 c4c8dac9bfce2bea5c42ec82fc4ff1491bb2ba309e0b4cd795fa67a0356a2b8a
sha512 92a4b8d84bb1001dd3d76f773460e71d9f176e2c11e72c135ca60a1057c13e7a2ee2443bbc0259ed3a360e4ae6ec7430afc2aeabb30707b6eedb1862761de465
ripemd-160 5c062fd717177103294efb656673e7261e7ab358

15281985 as geometric shapes

Circle

Radius = n
Diameter 30563970
Circumference 96019543.616539
Area 7.336846126274E+14

Sphere

Radius = n
Volume 1.4949542993204E+22
Surface area 2.9347384505096E+15
Circumference 96019543.616539

Square

Length = n
Perimeter 61127940
Area 233539065540225
Diagonal 21611990.446982

Cube

Length = n
Surface area 1401234393241350
Volume 3.5689404964997E+21
Space diagonal 26469174.460505

Equilateral Triangle

Length = n
Perimeter 45845955
Area 1.0112538176696E+14
Altitude 13234587.230253

Triangular Pyramid

Length = n
Surface area 1.0112538176696E+14
Volume 4.2060367112104E+20
Height 7203996.8156607