138847981 (number)

138847981 is an odd 9-digits prime number following 138847980 and preceding 138847982. In scientific notation, it is written as 1.38847981 × 10^8. The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors. There are 138847980 positive integers (up to 138847981) that are relatively prime to 138847981.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million eight hundred forty-seven thousand nine hundred eighty-one

Notation

Scientific notation 1.38847981 × 10^8
Engineering notation 1.38847981 × 10^6

Prime Factorization of 138847981

Prime Factorization 138847981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 138847981
Product of the distinct prime numbers

The prime factorization of 138847981 is 138847981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 10, 100, 17, 881, 336, 8130, 9080, 14667, 44358, 571859, 213205, 8014934, 6945265, 26140354, 68330190, 440837502, 616354105, 2081462077, 9497947430

Basic calculations (n = 138847981)

Multiplication

n×y
n×2 277695962
n×3 416543943
n×4 555391924
n×5 694239905

Division

n÷y
n÷2 69423990.5
n÷3 46282660.333333
n÷3 34711995.25
n÷5 27769596.2

Exponentiation

ny
n2 19278761827776361
n3 2.6768171559666E+24
n4 3.7167065761213E+32
n5 5.1605720406386E+40

Nth Root

y√n
2√n 11783.377317221
3√n 517.82123520416
4√n 108.55126584808
5√n 42.511645329412

Divisors of 138847981

1, 138847981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 138847982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 69423991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11783.377359654
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999855958
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138847981 can be divided by 2 positive divisors. The sum of these divisors (counting 138847981) is 138847982, the average is 69423991.

Base conversion 138847981

Base System Value
2 Binary 1000010001101010011011101101
3 Ternary 100200021012121211
4 Quaternary 20101222123231
5 Quinary 241021113411
6 Senary 21435554421
8 Octal 1021523355
10 Decimal 138847981
12 Duodecimal 3a5bba11
16 Hexadecimal 846a6ed
20 Vigesimal 237fjj1
36 Base36 2anzsd

Cryptographic Hash Functions

md5 48bc8deddb72429c3b07ff994ce06ea2
sha1 9ee696b1de414c62031d08551e6c65ec469c5abb
sha256 5bfa3b21a111d80de7572d530b8c67e01105db73d22b7c6ab8ae5fce5162c452
sha512 bf8bfe3098c85ca502f6e6f8e2b5e39f50b5316169d9e6b76d69a0f2b500ed7ee43a61ad39d4e0f51bbd5603f948296d6b6bcbfcfd0461783b4784bbb8cfebeb
ripemd-160 14fdb90069112c98fde9665265f237c0ca18ae5a

138847981 as geometric shapes

Circle

Radius = n
Diameter 277695962
Circumference 872407594.15075
Area 6.056601652845E+16

Sphere

Radius = n
Volume 1.1212625482917E+25
Surface area 2.422640661138E+17
Circumference 872407594.15075

Square

Length = n
Perimeter 555391924
Area 19278761827776361
Diagonal 196360697.83832

Cube

Length = n
Surface area 115672570966658166
Volume 2.6768171559666E+24
Space diagonal 240491757.62036

Equilateral Triangle

Length = n
Perimeter 416543943
Area 8.347948748182E+15
Altitude 120245878.81018

Triangular Pyramid

Length = n
Surface area 8.347948748182E+15
Volume 3.1546592716341E+23
Height 65453565.946107