12155945 (number)

12155945 is an odd 8-digits composite number following 12155944 and preceding 12155946. In scientific notation, it is written as 1.2155945 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 9724752 positive integers (up to 12155945) that are relatively prime to 12155945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2155945 × 10^7
Engineering notation 1.2155945 × 10^6

Prime Factorization of 12155945

Prime Factorization 5 × 2431189

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12155945
Product of the distinct prime numbers

The prime factorization of 12155945 is 5 × 2431189. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12155945)

Multiplication

n×y
n×2 24311890
n×3 36467835
n×4 48623780
n×5 60779725

Division

n÷y
n÷2 6077972.5
n÷3 4051981.6666667
n÷3 3038986.25
n÷5 2431189

Exponentiation

ny
n2 147766998843025
n3 1.7962475107509E+21
n4 2.1835085947075E+28
n5 2.6542610384291E+35

Nth Root

y√n
2√n 3486.5376808519
3√n 229.93031915626
4√n 59.046910849357
5√n 26.119072163309

Divisors of 12155945

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 -12155944
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 12155945 can be divided by 4 positive divisors. The sum of these divisors (counting 12155945) is 1, the average is 0.25.

Base conversion 12155945

Base System Value
2 Binary 101110010111110000101001
3 Ternary 211212120211012
4 Quaternary 232113300221
5 Quinary 11102442240
6 Senary 1112313305
8 Octal 56276051
10 Decimal 12155945
12 Duodecimal 40a2835
16 Hexadecimal b97c29
20 Vigesimal 3fj9h5
36 Base36 78jl5

Cryptographic Hash Functions

md5 eb3e8bd27a21e502f29d9f1f3e6c785e
sha1 4d704618bcba02306d7a368f75824e8e023bafc4
sha256 5e8683c8d572d35da366f39d79fac8c03b7984cc1a659bf642b5f6aed5af3d6e
sha512 224d7009837e08144c83cd98ed8098654e8cb080b87c41f4cc0182703700c90d3d0c7ba69889e8f33f831a3891e2e22493090a2e2c32b2895dcb3366109b15c3
ripemd-160 df08755dc1bca977eac35ce359a8fa027f3df884

12155945 as geometric shapes

Circle

Radius = n
Diameter 24311890
Circumference 76378055.018883
Area 4.6422371800826E+14

Sphere

Radius = n
Volume 7.5241039784052E+21
Surface area 1.856894872033E+15
Circumference 76378055.018883

Square

Length = n
Perimeter 48623780
Area 147766998843025
Diagonal 17191102.282461

Cube

Length = n
Surface area 886601993058150
Volume 1.7962475107509E+21
Space diagonal 21054714.354013

Equilateral Triangle

Length = n
Perimeter 36467835
Area 63984987419523
Altitude 10527357.177006

Triangular Pyramid

Length = n
Surface area 63984987419523
Volume 2.116897992569E+20
Height 5730367.4274871