15681639 (number)

15681639 is an odd 8-digits composite number following 15681638 and preceding 15681640. In scientific notation, it is written as 1.5681639 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 10199360 positive integers (up to 15681639) that are relatively prime to 15681639.

Interesting facts

Basic properties

Name

Name fifteen million six hundred eighty-one thousand six hundred thirty-nine

Notation

Scientific notation 1.5681639 × 10^7
Engineering notation 1.5681639 × 10^6

Prime Factorization of 15681639

Prime Factorization 3 × 41 × 127493

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15681639
Product of the distinct prime numbers

The prime factorization of 15681639 is 3 × 41 × 127493. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15681639)

Multiplication

n×y
n×2 31363278
n×3 47044917
n×4 62726556
n×5 78408195

Division

n÷y
n÷2 7840819.5
n÷3 5227213
n÷3 3920409.75
n÷5 3136327.8

Exponentiation

ny
n2 245913801726321
n3 3.8563314637897E+21
n4 6.0473597879492E+28
n5 9.4832513097736E+35

Nth Root

y√n
2√n 3960.0049242394
3√n 250.30171040352
4√n 62.928570015847
5√n 27.483895613993

Divisors of 15681639

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15681638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15681639 can be divided by 8 positive divisors. The sum of these divisors (counting 15681639) is 1, the average is 0.125.

Base conversion 15681639

Base System Value
2 Binary 111011110100100001100111
3 Ternary 1002111201011110
4 Quaternary 323310201213
5 Quinary 13003303024
6 Senary 1320040103
8 Octal 73644147
10 Decimal 15681639
12 Duodecimal 5303033
16 Hexadecimal ef4867
20 Vigesimal 4i041j
36 Base36 9c413

Cryptographic Hash Functions

md5 8f2facce58efbf8b9fc8adfc206c75ff
sha1 703450485360a4122336b7e13723ca78bb348742
sha256 2eeb067f3d54b502e9ded8965875a5f06ea498b497951eed20ee8ccb78314bd4
sha512 8739e40b77477f4ba63cf77c5a762e3da66233df60ea54ec2d788572da914fb0b4856a679fe1ff5f5fb899490767043544e17243cde45539eb65199ae6b2a933
ripemd-160 c89c8a9d95aed383d25be43f6f90c83fe7014c4e

15681639 as geometric shapes

Circle

Radius = n
Diameter 31363278
Circumference 98530643.757294
Area 7.7256099291975E+14

Sphere

Radius = n
Volume 1.6153363461932E+22
Surface area 3.090243971679E+15
Circumference 98530643.757294

Square

Length = n
Perimeter 62726556
Area 245913801726321
Diagonal 22177186.554039

Cube

Length = n
Surface area 1475482810357926
Volume 3.8563314637897E+21
Space diagonal 27161395.493954

Equilateral Triangle

Length = n
Perimeter 47044917
Area 1.064837997181E+14
Altitude 13580697.746977

Triangular Pyramid

Length = n
Surface area 1.064837997181E+14
Volume 4.544730214248E+20
Height 7392395.518013