15691381 (number)

15691381 is an odd 8-digits prime number following 15691380 and preceding 15691382. In scientific notation, it is written as 1.5691381 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 15691380 positive integers (up to 15691381) that are relatively prime to 15691381.

Interesting facts

Basic properties

Name

Name fifteen million six hundred ninety-one thousand three hundred eighty-one

Notation

Scientific notation 1.5691381 × 10^7
Engineering notation 1.5691381 × 10^6

Prime Factorization of 15691381

Prime Factorization 15691381

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 15691381
Product of the distinct prime numbers

The prime factorization of 15691381 is 15691381. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15691381)

Multiplication

n×y
n×2 31382762
n×3 47074143
n×4 62765524
n×5 78456905

Division

n÷y
n÷2 7845690.5
n÷3 5230460.3333333
n÷3 3922845.25
n÷5 3138276.2

Exponentiation

ny
n2 246219437687161
n3 3.863523006355E+21
n4 6.0624011494982E+28
n5 9.5127446211614E+35

Nth Root

y√n
2√n 3961.2347822365
3√n 250.35353182533
4√n 62.938341114431
5√n 27.487309563286

Divisors of 15691381

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 15691382
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 7845691
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3961.2349084597
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998725415
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15691381 can be divided by 2 positive divisors. The sum of these divisors (counting 15691381) is 15691382, the average is 7845691.

Base conversion 15691381

Base System Value
2 Binary 111011110110111001110101
3 Ternary 1002112012112021
4 Quaternary 323312321311
5 Quinary 13004111011
6 Senary 1320153141
8 Octal 73667165
10 Decimal 15691381
12 Duodecimal 53087b1
16 Hexadecimal ef6e75
20 Vigesimal 4i1891
36 Base36 9cbjp

Cryptographic Hash Functions

md5 8b5beaeceb00c25a38d2d91ccabd5015
sha1 f6683646b08e4ff08caea20dd58afd9496493a0f
sha256 c3d82710803c81124e0dda1b8afad3b7d8a2ac8fcb1daff1496b24ddf7f50865
sha512 fb9979321297e6f0e50ce75cec430c292ae23bfd032a198765f7d3e89cf253d4cf9c6f1995c530a3397839a51bdfb021ee83b86277016e5964ea2e381092b8e6
ripemd-160 f81102184fdf2e213347b121fb15aded263fe6a4

15691381 as geometric shapes

Circle

Radius = n
Diameter 31382762
Circumference 98591854.548557
Area 7.7352117660899E+14

Sphere

Radius = n
Volume 1.6183487324987E+22
Surface area 3.094084706436E+15
Circumference 98591854.548557

Square

Length = n
Perimeter 62765524
Area 246219437687161
Diagonal 22190963.822563

Cube

Length = n
Surface area 1477316626122966
Volume 3.863523006355E+21
Space diagonal 27178269.132921

Equilateral Triangle

Length = n
Perimeter 47074143
Area 1.066161439713E+14
Altitude 13589134.56646

Triangular Pyramid

Length = n
Surface area 1.066161439713E+14
Volume 4.5532055284398E+20
Height 7396987.9408545