12691861 (number)

12691861 is an odd 8-digits composite number following 12691860 and preceding 12691862. In scientific notation, it is written as 1.2691861 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 9979200 positive integers (up to 12691861) that are relatively prime to 12691861.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2691861 × 10^7
Engineering notation 1.2691861 × 10^6

Prime Factorization of 12691861

Prime Factorization 13 × 7 × 211 × 661

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12691861
Product of the distinct prime numbers

The prime factorization of 12691861 is 13 × 7 × 211 × 661. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12691861)

Multiplication

n×y
n×2 25383722
n×3 38075583
n×4 50767444
n×5 63459305

Division

n÷y
n÷2 6345930.5
n÷3 4230620.3333333
n÷3 3172965.25
n÷5 2538372.2

Exponentiation

ny
n2 161083335643321
n3 2.0444473054014E+21
n4 2.5947841021979E+28
n5 3.2932639150105E+35

Nth Root

y√n
2√n 3562.5638239897
3√n 233.26080444172
4√n 59.687216587722
5√n 26.345416051631

Divisors of 12691861

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12691860
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12691861 can be divided by 16 positive divisors. The sum of these divisors (counting 12691861) is 1, the average is 0.0625.

Base conversion 12691861

Base System Value
2 Binary 110000011010100110010101
3 Ternary 212212210221221
4 Quaternary 300122212111
5 Quinary 11222114421
6 Senary 1132010341
8 Octal 60324625
10 Decimal 12691861
12 Duodecimal 43009b1
16 Hexadecimal c1a995
20 Vigesimal 3j69d1
36 Base36 7k13p

Cryptographic Hash Functions

md5 10e3e220aee909eddc92701ccadd1dc2
sha1 22c053380fad32c506b23b326ddebaab4c5d55c5
sha256 fb662b1b5888de6741fdfe1d0c5cf0802811cedcfcf71e417bf0700d7c9aed6a
sha512 c4a8bb07f379128a4f1a3d85d71e42fe2331396242a26b8c5b51232af9d02e671373acb437bb99e652ed1d71c83993d6958e27a5f27e4f4483817969a49ea854
ripemd-160 afa6dadbc598a914f379e8d08165e6a67a6091b6

12691861 as geometric shapes

Circle

Radius = n
Diameter 25383722
Circumference 79745314.555966
Area 5.060582238728E+14

Sphere

Radius = n
Volume 8.5637608470672E+21
Surface area 2.0242328954912E+15
Circumference 79745314.555966

Square

Length = n
Perimeter 50767444
Area 161083335643321
Diagonal 17949001.957954

Cube

Length = n
Surface area 966500013859926
Volume 2.0444473054014E+21
Space diagonal 21982948.094602

Equilateral Triangle

Length = n
Perimeter 38075583
Area 69751130396726
Altitude 10991474.047301

Triangular Pyramid

Length = n
Surface area 69751130396726
Volume 2.4094042557131E+20
Height 5983000.6526514