138891 (number)

138891 is an odd 6-digits composite number following 138890 and preceding 138892. In scientific notation, it is written as 1.38891 × 10^5. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 91080 positive integers (up to 138891) that are relatively prime to 138891.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight thousand eight hundred ninety-one

Notation

Scientific notation 1.38891 × 10^5
Engineering notation 1.38891 × 10^3

Prime Factorization of 138891

Prime Factorization 3 × 67 × 691

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 138891
Product of the distinct prime numbers

The prime factorization of 138891 is 3 × 67 × 691. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 85, 16, 33, 574, 1129, 7604, 82526, 23636, 997570, 976181, 3948607, 8343565, 21276344, 29284303, 468827490, 853882784, 9464213247, 1609561973

Basic calculations (n = 138891)

Multiplication

n×y
n×2 277782
n×3 416673
n×4 555564
n×5 694455

Division

n÷y
n÷2 69445.5
n÷3 46297
n÷3 34722.75
n÷5 27778.2

Exponentiation

ny
n2 19290709881
n3 2679305986081971
n4 3.7213148771291E+20
n5 5.1685714459934E+25

Nth Root

y√n
2√n 372.68082859197
3√n 51.787470819758
4√n 19.304943112891
5√n 10.679104122636

Divisors of 138891

1, 3, 67, 201, 691, 2073, 46297, 138891

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 -138890
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 138891 can be divided by 8 positive divisors. The sum of these divisors (counting 138891) is 1, the average is 0.125.

Base conversion 138891

Base System Value
2 Binary 100001111010001011
3 Ternary 21001112010
4 Quaternary 201322023
5 Quinary 13421031
6 Senary 2551003
8 Octal 417213
10 Decimal 138891
12 Duodecimal 68463
16 Hexadecimal 21e8b
20 Vigesimal h74b
36 Base36 2z63

Cryptographic Hash Functions

md5 679d6adc706b69f131c27fe9b792224e
sha1 918cc4c3f0148297960d02407f0b04c76fddac08
sha256 93e0c24e2eff26b43bc7984de10c0dc8e24dacf767b44531280336fb23776e5f
sha512 dc1e9f52c07fc0d154eb9863686b9bd1dc74b08097624b97b1ecc76af816f0a455960017144779cb8dc9c7bcce9b6a01920193656eebbaadc9a5d25d59d62e59
ripemd-160 d637a78624c47dc1a1006a56f0cc3c488e5ddc06

138891 as geometric shapes

Circle

Radius = n
Diameter 277782
Circumference 872677.89049948
Area 60603552444.682

Sphere

Radius = n
Volume 1.1223050670126E+16
Surface area 242414209778.73
Circumference 872677.89049948

Square

Length = n
Perimeter 555564
Area 19290709881
Diagonal 196421.53589156

Cube

Length = n
Surface area 115744259286
Volume 2679305986081971
Space diagonal 240566.26871405

Equilateral Triangle

Length = n
Perimeter 416673
Area 8353122406.9907
Altitude 120283.13435702

Triangular Pyramid

Length = n
Surface area 8353122406.9907
Volume 3.1575923860538E+14
Height 65473.845297187