12151985 (number)

12151985 is an odd 8-digits composite number following 12151984 and preceding 12151986. In scientific notation, it is written as 1.2151985 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 9721584 positive integers (up to 12151985) that are relatively prime to 12151985.

Interesting facts

Basic properties

Name

Name twelve million one hundred fifty-one thousand nine hundred eighty-five

Notation

Scientific notation 1.2151985 × 10^7
Engineering notation 1.2151985 × 10^6

Prime Factorization of 12151985

Prime Factorization 5 × 2430397

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12151985
Product of the distinct prime numbers

The prime factorization of 12151985 is 5 × 2430397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12151985)

Multiplication

n×y
n×2 24303970
n×3 36455955
n×4 48607940
n×5 60759925

Division

n÷y
n÷2 6075992.5
n÷3 4050661.6666667
n÷3 3037996.25
n÷5 2430397

Exponentiation

ny
n2 147670739440225
n3 1.7944926106165E+21
n4 2.1806647286823E+28
n5 2.6499405072976E+35

Nth Root

y√n
2√n 3485.9697359558
3√n 229.90534857727
4√n 59.042101384993
5√n 26.117370197625

Divisors of 12151985

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 -12151984
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 12151985 can be divided by 4 positive divisors. The sum of these divisors (counting 12151985) is 1, the average is 0.25.

Base conversion 12151985

Base System Value
2 Binary 101110010110110010110001
3 Ternary 211212101101112
4 Quaternary 232112302301
5 Quinary 11102330420
6 Senary 1112243105
8 Octal 56266261
10 Decimal 12151985
12 Duodecimal 40a0495
16 Hexadecimal b96cb1
20 Vigesimal 3fijj5
36 Base36 78gj5

Cryptographic Hash Functions

md5 125819ee39bb782a2b7fd287b9775d98
sha1 2445457a4d466d4e16ee515a50d56dd4f7a2329d
sha256 62329708b2fbbe5a962b35d1ac1299d2c41f66d6e310b4ac4854404ad7c36f42
sha512 7b89642a646b05026c808af267fbf1c65699e283d3f91519665ca32b001235a11f12c7b2287d160153f347422866342d1c885232d4041945b2eff49eb2be56f3
ripemd-160 e0b7d7bfe30873b834184b0ad4f72d8645444f2e

12151985 as geometric shapes

Circle

Radius = n
Diameter 24303970
Circumference 76353173.605067
Area 4.6392131017558E+14

Sphere

Radius = n
Volume 7.516753069912E+21
Surface area 1.8556852407023E+15
Circumference 76353173.605067

Square

Length = n
Perimeter 48607940
Area 147670739440225
Diagonal 17185501.996754

Cube

Length = n
Surface area 886024436641350
Volume 1.7944926106165E+21
Space diagonal 21047855.432815

Equilateral Triangle

Length = n
Perimeter 36455955
Area 63943305875434
Altitude 10523927.716407

Triangular Pyramid

Length = n
Surface area 63943305875434
Volume 2.1148298229268E+20
Height 5728500.6655848