12891505 (number)

12891505 is an odd 8-digits composite number following 12891504 and preceding 12891506. In scientific notation, it is written as 1.2891505 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 9072000 positive integers (up to 12891505) that are relatively prime to 12891505.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2891505 × 10^7
Engineering notation 1.2891505 × 10^6

Prime Factorization of 12891505

Prime Factorization 5 × 11 × 31 × 7561

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12891505
Product of the distinct prime numbers

The prime factorization of 12891505 is 5 × 11 × 31 × 7561. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 39, 23, 251, 706, 6168, 9971, 29744, 61820, 588154, 195976, 9002073, 7239226, 81033868, 47755126, 104506801, 902642782, 4707513549, 4111705249

Basic calculations (n = 12891505)

Multiplication

n×y
n×2 25783010
n×3 38674515
n×4 51566020
n×5 64457525

Division

n÷y
n÷2 6445752.5
n÷3 4297168.3333333
n÷3 3222876.25
n÷5 2578301

Exponentiation

ny
n2 166190901165025
n3 2.1424508333234E+21
n4 2.7619415630043E+28
n5 3.5605583469178E+35

Nth Root

y√n
2√n 3590.4742026646
3√n 234.47751734422
4√n 59.920565773903
5√n 26.427782521911

Divisors of 12891505

1, 5, 11, 31, 55, 155, 341, 1705, 7561, 37805, 83171, 234391, 415855, 1171955, 2578301, 12891505

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 -12891504
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 12891505 can be divided by 16 positive divisors. The sum of these divisors (counting 12891505) is 1, the average is 0.0625.

Base conversion 12891505

Base System Value
2 Binary 110001001011010101110001
3 Ternary 220020221211011
4 Quaternary 301023111301
5 Quinary 11300012010
6 Senary 1140150521
8 Octal 61132561
10 Decimal 12891505
12 Duodecimal 4398441
16 Hexadecimal c4b571
20 Vigesimal 40b8f5
36 Base36 7ob5d

Cryptographic Hash Functions

md5 caaabc3853965f30bbd4d66483ee99dc
sha1 06c199ea3746227e3da47ff1eac76b190b6d8d82
sha256 c4b848a74d7385199dd3ef41a88b17c28e26baf3efc04f2add63ac44204f2d21
sha512 16a0dfb8b3f6027bb90e8236502401104503ff2abf230b6ce0d2335ae08aa16792f893f86b8c484b48e67c82363e5600b3b72adb7409db861be653180cd2836a
ripemd-160 4b6201914daedaa4a8c43876cebdd20fe5f57826

12891505 as geometric shapes

Circle

Radius = n
Diameter 25783010
Circumference 80999714.803432
Area 5.2210411419351E+14

Sphere

Radius = n
Volume 8.9742770648616E+21
Surface area 2.088416456774E+15
Circumference 80999714.803432

Square

Length = n
Perimeter 51566020
Area 166190901165025
Diagonal 18231341.210401

Cube

Length = n
Surface area 997145406990150
Volume 2.1424508333234E+21
Space diagonal 22328741.646028

Equilateral Triangle

Length = n
Perimeter 38674515
Area 71962771143370
Altitude 11164370.823014

Triangular Pyramid

Length = n
Surface area 71962771143370
Volume 2.5249025210029E+20
Height 6077113.7368002