12691890 (number)

12691890 is an even 8-digits composite number following 12691889 and preceding 12691891. In scientific notation, it is written as 1.2691890 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 3382560 positive integers (up to 12691890) that are relatively prime to 12691890.

Interesting facts

Basic properties

Name

Name twelve million six hundred ninety-one thousand eight hundred ninety

Notation

Scientific notation 1.2691890 × 10^7
Engineering notation 1.2691890 × 10^6

Prime Factorization of 12691890

Prime Factorization 2 × 15 × 9 × 27 × 1741

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12691890
Product of the distinct prime numbers

The prime factorization of 12691890 is 2 × 15 × 9 × 27 × 1741. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 9, 26, 42, 101, 532, 4386, 7422, 70869, 82787, 241161, 530232, 7994593, 7699436, 94512676, 86317354, 768181505, 767617054, 9944414457, 1715545788

Basic calculations (n = 12691890)

Multiplication

n×y
n×2 25383780
n×3 38075670
n×4 50767560
n×5 63459450

Division

n÷y
n÷2 6345945
n÷3 4230630
n÷3 3172972.5
n÷5 2538378

Exponentiation

ny
n2 161084071772100
n3 2.0444613196836E+21
n4 2.5948078178679E+28
n5 3.293301539552E+35

Nth Root

y√n
2√n 3562.5678940899
3√n 233.26098210304
4√n 59.687250682955
5√n 26.3454280911

Divisors of 12691890

1, 2, 9, 15, 18, 27, 30, 54, 135, 243, 270, 405, 486, 810, 1741, 3482, 3645, 7290, 15669, 26115, 31338, 47007, 52230, 94014, 235035, 423063, 470070, 705105, 846126, 1410210, 6345945, 12691890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12691889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12691890 can be divided by 32 positive divisors. The sum of these divisors (counting 12691890) is 1, the average is 0.03125.

Base conversion 12691890

Base System Value
2 Binary 110000011010100110110010
3 Ternary 212212211000000
4 Quaternary 300122212302
5 Quinary 11222120030
6 Senary 1132010430
8 Octal 60324662
10 Decimal 12691890
12 Duodecimal 4300a16
16 Hexadecimal c1a9b2
20 Vigesimal 3j69ea
36 Base36 7k14i

Cryptographic Hash Functions

md5 bc459e02c7282d12eb662aa2af29fdab
sha1 aa27efbdb1d5203f933444f6194b5ffbe1d50be9
sha256 1c8dcdcc61eaf7b81101c093d4bb2cc5c3e40decfa0921bd95e81f05cb173653
sha512 41cc1f27acbce995bcef1ef8c612a620be154bf555d3f3c98181da0840a255bcb1209a57c6d734d979bc98103add60a0eb8f49bc4ab793b70550a43c0de9af27
ripemd-160 4c909e77307e604e76740c337a8683bfe47d8a0f

12691890 as geometric shapes

Circle

Radius = n
Diameter 25383780
Circumference 79745496.76834
Area 5.0606053648956E+14

Sphere

Radius = n
Volume 8.5638195499553E+21
Surface area 2.0242421459582E+15
Circumference 79745496.76834

Square

Length = n
Perimeter 50767560
Area 161084071772100
Diagonal 17949042.970147

Cube

Length = n
Surface area 966504430632600
Volume 2.0444613196836E+21
Space diagonal 21982998.324075

Equilateral Triangle

Length = n
Perimeter 38075670
Area 69751449149837
Altitude 10991499.162038

Triangular Pyramid

Length = n
Surface area 69751449149837
Volume 2.4094207717031E+20
Height 5983014.3233825