138291281 (number)

138291281 is an odd 9-digits prime number following 138291280 and preceding 138291282. In scientific notation, it is written as 1.38291281 × 10^8. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 138291280 positive integers (up to 138291281) that are relatively prime to 138291281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.38291281 × 10^8
Engineering notation 1.38291281 × 10^6

Prime Factorization of 138291281

Prime Factorization 138291281

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 138291281
Product of the distinct prime numbers

The prime factorization of 138291281 is 138291281. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 6, 77, 71, 461, 304, 6494, 2930, 71097, 23676, 352998, 549066, 6456743, 4621482, 64225576, 52618759, 188578264, 28429000, 6813457509, 8436105950

Basic calculations (n = 138291281)

Multiplication

n×y
n×2 276582562
n×3 414873843
n×4 553165124
n×5 691456405

Division

n÷y
n÷2 69145640.5
n÷3 46097093.666667
n÷3 34572820.25
n÷5 27658256.2

Exponentiation

ny
n2 19124478400620961
n3 2.6447486164787E+24
n4 3.6574567409582E+32
n5 5.0579437790919E+40

Nth Root

y√n
2√n 11759.731331965
3√n 517.1282537945
4√n 108.44229494051
5√n 42.477501109952

Divisors of 138291281

1, 138291281

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 138291282
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 69145641
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11759.731374483
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999855378
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138291281 can be divided by 2 positive divisors. The sum of these divisors (counting 138291281) is 138291282, the average is 69145641.

Base conversion 138291281

Base System Value
2 Binary 1000001111100010100001010001
3 Ternary 100122012220222022
4 Quaternary 20033202201101
5 Quinary 240400310111
6 Senary 21420021225
8 Octal 1017424121
10 Decimal 138291281
12 Duodecimal 3a391815
16 Hexadecimal 83e2851
20 Vigesimal 2346841
36 Base36 2ac28h

Cryptographic Hash Functions

md5 0a9c972bb33f250a0a40060cab124767
sha1 08eb2cc5060e320cae8b2bf5808d5fab0d2d9a65
sha256 ee47157cc699df7e89085a706171fbd257205cd06579642dd07f305a415c2b36
sha512 ca8e50c70b53e3ba1138e3c582c19fd8b02272832d497971ac1efa98dba929585b245010c5095ed781b9fd2a2f9eefe672d21b399b6c1d8ad0004d77f3a6901b
ripemd-160 b2000ea9be8e02f3c6f770e08d59733c818b34e2

138291281 as geometric shapes

Circle

Radius = n
Diameter 276582562
Circumference 868909744.89024
Area 6.0081320847127E+16

Sphere

Radius = n
Volume 1.1078297098828E+25
Surface area 2.4032528338851E+17
Circumference 868909744.89024

Square

Length = n
Perimeter 553165124
Area 19124478400620961
Diagonal 195573405.14815

Cube

Length = n
Surface area 114746870403725766
Volume 2.6447486164787E+24
Space diagonal 239527524.93578

Equilateral Triangle

Length = n
Perimeter 414873843
Area 8.2811420645323E+15
Altitude 119763762.46789

Triangular Pyramid

Length = n
Surface area 8.2811420645323E+15
Volume 3.1168661354097E+23
Height 65191135.049383