138908 (number)

138908 is an even 6-digits composite number following 138907 and preceding 138909. In scientific notation, it is written as 1.38908 × 10^5. The sum of its digits is 29. It has a total of 6 prime factors and 36 positive divisors. There are 52800 positive integers (up to 138908) that are relatively prime to 138908.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight thousand nine hundred eight

Notation

Scientific notation 1.38908 × 10^5
Engineering notation 1.38908 × 10^3

Prime Factorization of 138908

Prime Factorization 2 × 2 × 7 × 11 × 11 × 41

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 6314
Product of the distinct prime numbers

The prime factorization of 138908 is 2 × 2 × 7 × 11 × 11 × 41. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138908)

Multiplication

n×y
n×2 277816
n×3 416724
n×4 555632
n×5 694540

Division

n÷y
n÷2 69454
n÷3 46302.666666667
n÷3 34727
n÷5 27781.6

Exponentiation

ny
n2 19295432464
n3 2680289932709312
n4 3.7231371397279E+20
n5 5.1717353380532E+25

Nth Root

y√n
2√n 372.70363561414
3√n 51.789583630252
4√n 19.30553380806
5√n 10.679365530334

Divisors of 138908

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138908 can be divided by 36 positive divisors. The sum of these divisors (counting 138908) is 1, the average is 0.027777777777778.

Base conversion 138908

Base System Value
2 Binary 100001111010011100
3 Ternary 21001112202
4 Quaternary 201322130
5 Quinary 13421113
6 Senary 2551032
8 Octal 417234
10 Decimal 138908
12 Duodecimal 68478
16 Hexadecimal 21e9c
20 Vigesimal h758
36 Base36 2z6k

Cryptographic Hash Functions

md5 59c7e631e6645f3310470880688426ca
sha1 eab5a4cc5081fec22bf6f14f4ee7f18ad8eb679c
sha256 ab0d8059613e0db357453f0daf0d28c252b1e5cc9487b239d7532edeaffc6f16
sha512 3ba46e74f29ed46bf483de756f49b3dc7b5a996b19f6d4a8e7a06331b0b438b446e8ad9d2efba6c8c7854f8125682c2f6c334bda523fdccefd17b12769a5af10
ripemd-160 810f4ee3eb575b9d0449af1812598cc782e3f203

138908 as geometric shapes

Circle

Radius = n
Diameter 277816
Circumference 872784.7046497
Area 60618388876.74

Sphere

Radius = n
Volume 1.122717221612E+16
Surface area 242473555506.96
Circumference 872784.7046497

Square

Length = n
Perimeter 555632
Area 19295432464
Diagonal 196445.57752212

Cube

Length = n
Surface area 115772594784
Volume 2680289932709312
Space diagonal 240595.71357778

Equilateral Triangle

Length = n
Perimeter 416724
Area 8355167345.4155
Altitude 120297.85678889

Triangular Pyramid

Length = n
Surface area 8355167345.4155
Volume 3.1587519782746E+14
Height 65481.859174041