138941985 (number)

138941985 is an odd 9-digits composite number following 138941984 and preceding 138941986. In scientific notation, it is written as 1.38941985 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 58629888 positive integers (up to 138941985) that are relatively prime to 138941985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.38941985 × 10^8
Engineering notation 1.38941985 × 10^6

Prime Factorization of 138941985

Prime Factorization 3 × 13 × 5 × 7 × 101789

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 138941985
Product of the distinct prime numbers

The prime factorization of 138941985 is 3 × 13 × 5 × 7 × 101789. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138941985)

Multiplication

n×y
n×2 277883970
n×3 416825955
n×4 555767940
n×5 694709925

Division

n÷y
n÷2 69470992.5
n÷3 46313995
n÷3 34735496.25
n÷5 27788397

Exponentiation

ny
n2 19304875195740225
n3 2.6822576798734E+24
n4 3.7267820632311E+32
n5 5.1780649752772E+40

Nth Root

y√n
2√n 11787.365481735
3√n 517.93806870288
4√n 108.56963425256
5√n 42.517400087796

Divisors of 138941985

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138941984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138941985 can be divided by 32 positive divisors. The sum of these divisors (counting 138941985) is 1, the average is 0.03125.

Base conversion 138941985

Base System Value
2 Binary 1000010010000001011000100001
3 Ternary 100200102222120110
4 Quaternary 20102001120201
5 Quinary 241032120420
6 Senary 21442001533
8 Octal 1022013041
10 Decimal 138941985
12 Duodecimal 3a6462a9
16 Hexadecimal 8481621
20 Vigesimal 2387ej5
36 Base36 2aq0bl

Cryptographic Hash Functions

md5 099e748aed3ef97abcecba4d303b90dc
sha1 fdf0c8468a87cdd5ba572c1c8435b18d6088c935
sha256 17c05d65b878acc8168fe7579a1aecf5bd56ab338d72579ecae86e76141c195b
sha512 283369bff8e28e95fb8b4da1a54e75c61d3167ba768373711554b7889471cf3d45bc6c6c1b20b4c0f735f2f53d878135320b42643bbe90e9c32619b26a7f2aea
ripemd-160 f91aa4a3ed6e718e7ebceb20f093313d1a483022

138941985 as geometric shapes

Circle

Radius = n
Diameter 277883970
Circumference 872998238.70237
Area 6.0648054093405E+16

Sphere

Radius = n
Volume 1.1235414696167E+25
Surface area 2.4259221637362E+17
Circumference 872998238.70237

Square

Length = n
Perimeter 555767940
Area 19304875195740225
Diagonal 196493639.57004

Cube

Length = n
Surface area 115829251174441350
Volume 2.6822576798734E+24
Space diagonal 240654577.32447

Equilateral Triangle

Length = n
Perimeter 416825955
Area 8.3592561681996E+15
Altitude 120327288.66224

Triangular Pyramid

Length = n
Surface area 8.3592561681996E+15
Volume 3.161070990547E+23
Height 65497879.85668