12765981 (number)

12765981 is an odd 8-digits composite number following 12765980 and preceding 12765982. In scientific notation, it is written as 1.2765981 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 8330544 positive integers (up to 12765981) that are relatively prime to 12765981.

Interesting facts

Basic properties

Name

Name twelve million seven hundred sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 1.2765981 × 10^7
Engineering notation 1.2765981 × 10^6

Prime Factorization of 12765981

Prime Factorization 3 × 83 × 167 × 307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12765981
Product of the distinct prime numbers

The prime factorization of 12765981 is 3 × 83 × 167 × 307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 42, 19, 430, 345, 560, 5147, 31348, 31030, 844004, 265662, 4972798, 9853314, 89326468, 85911609, 692993347, 940396689, 8520584688, 6901896622

Basic calculations (n = 12765981)

Multiplication

n×y
n×2 25531962
n×3 38297943
n×4 51063924
n×5 63829905

Division

n÷y
n÷2 6382990.5
n÷3 4255327
n÷3 3191495.25
n÷5 2553196.2

Exponentiation

ny
n2 162970270892361
n3 2.0804753817767E+21
n4 2.655930919473E+28
n5 3.3905563655304E+35

Nth Root

y√n
2√n 3572.9513010955
3√n 233.7140015293
4√n 59.774169179467
5√n 26.376115672843

Divisors of 12765981

1, 3, 83, 167, 249, 307, 501, 921, 13861, 25481, 41583, 51269, 76443, 153807, 4255327, 12765981

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 -12765980
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 12765981 can be divided by 16 positive divisors. The sum of these divisors (counting 12765981) is 1, the average is 0.0625.

Base conversion 12765981

Base System Value
2 Binary 110000101100101100011101
3 Ternary 220000120122010
4 Quaternary 300230230131
5 Quinary 11232002411
6 Senary 1133341433
8 Octal 60545435
10 Decimal 12765981
12 Duodecimal 4337879
16 Hexadecimal c2cb1d
20 Vigesimal 3jfej1
36 Base36 7lmal

Cryptographic Hash Functions

md5 40ac5d25b6d856d28bbe341b826a7652
sha1 de83fe0f7656eda4a9eeaf33148abc44e63af5bc
sha256 7fd4189b2516ec5d16346003f7ffdab371ddd60c25b876e69c4a643c475f7ab1
sha512 480bf6ed826e99eedd2ff4b639efd717c73477475561908f94e5bf685b3315d2c6616ee4dc89e261ce2096174957cc86163084cec0ac4cb45f4ad7d722697ec3
ripemd-160 38926c8c9eed83d8d1450f26cbf537a5552acf77

12765981 as geometric shapes

Circle

Radius = n
Diameter 25531962
Circumference 80211024.250934
Area 5.1198620578898E+14

Sphere

Radius = n
Volume 8.7146749004856E+21
Surface area 2.0479448231559E+15
Circumference 80211024.250934

Square

Length = n
Perimeter 51063924
Area 162970270892361
Diagonal 18053823.467197

Cube

Length = n
Surface area 977821625354166
Volume 2.0804753817767E+21
Space diagonal 22111327.700459

Equilateral Triangle

Length = n
Perimeter 38297943
Area 70568197327208
Altitude 11055663.850229

Triangular Pyramid

Length = n
Surface area 70568197327208
Volume 2.45186375091E+20
Height 6017941.1557324