138900281 (number)

138900281 is an odd 9-digits composite number following 138900280 and preceding 138900282. In scientific notation, it is written as 1.38900281 × 10^8. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 127204560 positive integers (up to 138900281) that are relatively prime to 138900281.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million nine hundred thousand two hundred eighty-one

Notation

Scientific notation 1.38900281 × 10^8
Engineering notation 1.38900281 × 10^6

Prime Factorization of 138900281

Prime Factorization 13 × 127 × 84131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 138900281
Product of the distinct prime numbers

The prime factorization of 138900281 is 13 × 127 × 84131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 73, 27, 513, 880, 4685, 1588, 10524, 79508, 764104, 96325, 9436576, 4098424, 68286697, 48371726, 384046239, 864855967, 7808091800, 957804241

Basic calculations (n = 138900281)

Multiplication

n×y
n×2 277800562
n×3 416700843
n×4 555601124
n×5 694501405

Division

n÷y
n÷2 69450140.5
n÷3 46300093.666667
n÷3 34725070.25
n÷5 27780056.2

Exponentiation

ny
n2 19293288061878961
n3 2.6798431332089E+24
n4 3.7223096423864E+32
n5 5.1702985529648E+40

Nth Root

y√n
2√n 11785.596336206
3√n 517.88624311372
4√n 108.56148643145
5√n 42.514847427305

Divisors of 138900281

1, 13, 127, 1651, 84131, 1093703, 10684637, 138900281

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 -138900280
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 138900281 can be divided by 8 positive divisors. The sum of these divisors (counting 138900281) is 1, the average is 0.125.

Base conversion 138900281

Base System Value
2 Binary 1000010001110111001100111001
3 Ternary 100200100212100212
4 Quaternary 20101313030321
5 Quinary 241024302111
6 Senary 21441040505
8 Octal 1021671471
10 Decimal 138900281
12 Duodecimal 3a626135
16 Hexadecimal 8477339
20 Vigesimal 2382ae1
36 Base36 2ap455

Cryptographic Hash Functions

md5 c0594858bbefc0036e74b6ed55ad8284
sha1 1d5bdd8aabbb83fe1f36435f86419b7daf6689ff
sha256 fa51b167b2b786e0721a5c9efb2a344c789fbbe25770e58a0df5481e27d488fb
sha512 a1f228c6cb7257fa9da002200f3c0a386b701183367e7bef382a7ab16ae2567edd9544bbb5387b1c779352c61275eacb628890670d7a22568f837877bf3ef4a4
ripemd-160 1aeb5b6f2596b193682605ff2e6551580d8f5d55

138900281 as geometric shapes

Circle

Radius = n
Diameter 277800562
Circumference 872736204.74232
Area 6.0611652038791E+16

Sphere

Radius = n
Volume 1.122530066675E+25
Surface area 2.4244660815516E+17
Circumference 872736204.74232

Square

Length = n
Perimeter 555601124
Area 19293288061878961
Diagonal 196434661.20763

Cube

Length = n
Surface area 115759728371273766
Volume 2.6798431332089E+24
Space diagonal 240582343.87759

Equilateral Triangle

Length = n
Perimeter 416700843
Area 8.3542387920591E+15
Altitude 120291171.9388

Triangular Pyramid

Length = n
Surface area 8.3542387920591E+15
Volume 3.1582254200137E+23
Height 65478220.402545