138728864 (number)

138728864 is an even 9-digits composite number following 138728863 and preceding 138728865. In scientific notation, it is written as 1.38728864 × 10^8. The sum of its digits is 47. It has a total of 7 prime factors and 24 positive divisors. There are 69114816 positive integers (up to 138728864) that are relatively prime to 138728864.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million seven hundred twenty-eight thousand eight hundred sixty-four

Notation

Scientific notation 1.38728864 × 10^8
Engineering notation 1.38728864 × 10^6

Prime Factorization of 138728864

Prime Factorization 2 × 2 × 2 × 2 × 2 × 283 × 15319

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 8670554
Product of the distinct prime numbers

The prime factorization of 138728864 is 2 × 2 × 2 × 2 × 2 × 283 × 15319. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138728864)

Multiplication

n×y
n×2 277457728
n×3 416186592
n×4 554915456
n×5 693644320

Division

n÷y
n÷2 69364432
n÷3 46242954.666667
n÷3 34682216
n÷5 27745772.8

Exponentiation

ny
n2 19245697706730496
n3 2.6699337797421E+24
n4 3.7039688021885E+32
n5 5.1384738421905E+40

Nth Root

y√n
2√n 11778.321781986
3√n 517.673114075
4√n 108.52797695519
5√n 42.504348718804

Divisors of 138728864

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138728863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138728864 can be divided by 24 positive divisors. The sum of these divisors (counting 138728864) is 1, the average is 0.041666666666667.

Base conversion 138728864

Base System Value
2 Binary 1000010001001101010110100000
3 Ternary 100200001011020002
4 Quaternary 20101031112200
5 Quinary 241003310424
6 Senary 21433235132
8 Octal 1021152640
10 Decimal 138728864
12 Duodecimal 3a562aa8
16 Hexadecimal 844d5a0
20 Vigesimal 2371234
36 Base36 2alfvk

Cryptographic Hash Functions

md5 cef44079909fcb77ac1a5d998e3f2e58
sha1 9e8c50bbf46b242fde6692a19ff138d1abfaef64
sha256 a6aaefabe2b6a48ca43b6cfb67a180dbe0de6bc641647cb0583fe0f40fe59a6a
sha512 766464762714072c484ee02609eb57590500ff6a36e28a92075c77f21890157d5df3635aad1851df0b33851ee211f537727c6eb78af4f2350429d6b880e37070
ripemd-160 068b0aa82bb639a2a669ac4f6cb67173366f4547

138728864 as geometric shapes

Circle

Radius = n
Diameter 277457728
Circumference 871659159.96652
Area 6.0462142528674E+16

Sphere

Radius = n
Volume 1.1183792464012E+25
Surface area 2.418485701147E+17
Circumference 871659159.96652

Square

Length = n
Perimeter 554915456
Area 19245697706730496
Diagonal 196192240.96141

Cube

Length = n
Surface area 115474186240382976
Volume 2.6699337797421E+24
Space diagonal 240285440.92431

Equilateral Triangle

Length = n
Perimeter 416186592
Area 8.3336315637923E+15
Altitude 120142720.46216

Triangular Pyramid

Length = n
Surface area 8.3336315637923E+15
Volume 3.1465471349578E+23
Height 65397413.653804