138907 (number)

138907 is an odd 6-digits composite number following 138906 and preceding 138908. In scientific notation, it is written as 1.38907 × 10^5. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 130720 positive integers (up to 138907) that are relatively prime to 138907.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight thousand nine hundred seven

Notation

Scientific notation 1.38907 × 10^5
Engineering notation 1.38907 × 10^3

Prime Factorization of 138907

Prime Factorization 17 × 8171

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138907
Product of the distinct prime numbers

The prime factorization of 138907 is 17 × 8171. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138907)

Multiplication

n×y
n×2 277814
n×3 416721
n×4 555628
n×5 694535

Division

n÷y
n÷2 69453.5
n÷3 46302.333333333
n÷3 34726.75
n÷5 27781.4

Exponentiation

ny
n2 19295154649
n3 2680232046828643
n4 3.7230299292883E+20
n5 5.1715491838764E+25

Nth Root

y√n
2√n 372.70229406324
3√n 51.789459352054
4√n 19.305499062786
5√n 10.679350154119

Divisors of 138907

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138907 can be divided by 4 positive divisors. The sum of these divisors (counting 138907) is 1, the average is 0.25.

Base conversion 138907

Base System Value
2 Binary 100001111010011011
3 Ternary 21001112201
4 Quaternary 201322123
5 Quinary 13421112
6 Senary 2551031
8 Octal 417233
10 Decimal 138907
12 Duodecimal 68477
16 Hexadecimal 21e9b
20 Vigesimal h757
36 Base36 2z6j

Cryptographic Hash Functions

md5 559dcf86450d923620d257db78be2f4d
sha1 dae842e24ae21229714d0efd9f95489778434102
sha256 a58fc61348f08024d1c5fa9d168811051ffd58777e42e7063045b10f2085e3ea
sha512 d4131bd0aa29c59701eaa3bebb6fa46fe8c776471f33380feb2e68d4761b999c32ffabf5972632f7951718dc3781de928d1c0435128bec7e524ac0a4f3fc3572
ripemd-160 e0062259988840ec0a951c00d2139af858dec6f8

138907 as geometric shapes

Circle

Radius = n
Diameter 277814
Circumference 872778.42146439
Area 60617516095.177

Sphere

Radius = n
Volume 1.122692974431E+16
Surface area 242470064380.71
Circumference 872778.42146439

Square

Length = n
Perimeter 555628
Area 19295154649
Diagonal 196444.16330856

Cube

Length = n
Surface area 115770927894
Volume 2680232046828643
Space diagonal 240593.98152697

Equilateral Triangle

Length = n
Perimeter 416721
Area 8355047047.9917
Altitude 120296.99076349

Triangular Pyramid

Length = n
Surface area 8355047047.9917
Volume 3.1586837591101E+14
Height 65481.38776952