138544981 (number)

138544981 is an odd 9-digits composite number following 138544980 and preceding 138544982. In scientific notation, it is written as 1.38544981 × 10^8. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 137638032 positive integers (up to 138544981) that are relatively prime to 138544981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.38544981 × 10^8
Engineering notation 1.38544981 × 10^6

Prime Factorization of 138544981

Prime Factorization 263 × 743 × 709

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 138544981
Product of the distinct prime numbers

The prime factorization of 138544981 is 263 × 743 × 709. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 6, 3, 16, 667, 350, 5612, 8254, 59497, 24316, 626343, 399716, 705655, 1687260, 58217655, 8401250, 370195649, 942749550, 9313644317, 66450767

Basic calculations (n = 138544981)

Multiplication

n×y
n×2 277089962
n×3 415634943
n×4 554179924
n×5 692724905

Division

n÷y
n÷2 69272490.5
n÷3 46181660.333333
n÷3 34636245.25
n÷5 27708996.2

Exponentiation

ny
n2 19194711760290361
n3 2.6593309761299E+24
n4 3.6843695956063E+32
n5 5.1045091562025E+40

Nth Root

y√n
2√n 11770.513200366
3√n 517.4442903304
4√n 108.49199601983
5√n 42.493074966345

Divisors of 138544981

1, 263, 709, 743, 186467, 195409, 526787, 138544981

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 -138544980
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 138544981 can be divided by 8 positive divisors. The sum of these divisors (counting 138544981) is 1, the average is 0.125.

Base conversion 138544981

Base System Value
2 Binary 1000010000100000011101010101
3 Ternary 100122200210222121
4 Quaternary 20100200131111
5 Quinary 240431414411
6 Senary 21425255541
8 Octal 1020403525
10 Decimal 138544981
12 Duodecimal 3a4945b1
16 Hexadecimal 8420755
20 Vigesimal 235i291
36 Base36 2ahhzp

Cryptographic Hash Functions

md5 9b23fc000d472e5eb1097ad09440f259
sha1 01014cedce09d3abb00c6566769e64148173cc26
sha256 240c2c1cbbc8fac1b81a264e9ca7172c08d2eda71f197e7d408923dc751b3adf
sha512 f7aed859439e96950eef05f5dfb0c4f59779516065dd3f2456dc67eda229da3b18d9eda135541e5edde979e73856077d7623d14ccf1dbe2438dc23634355c69e
ripemd-160 eebcdfc6c84b3c120a49b464a5928827658f9a92

138544981 as geometric shapes

Circle

Radius = n
Diameter 277089962
Circumference 870503789.00267
Area 6.0301965453902E+16

Sphere

Radius = n
Volume 1.1139379544098E+25
Surface area 2.4120786181561E+17
Circumference 870503789.00267

Square

Length = n
Perimeter 554179924
Area 19194711760290361
Diagonal 195932191.12892

Cube

Length = n
Surface area 115168270561742166
Volume 2.6593309761299E+24
Space diagonal 239966946.22566

Equilateral Triangle

Length = n
Perimeter 415634943
Area 8.3115540013657E+15
Altitude 119983473.11283

Triangular Pyramid

Length = n
Surface area 8.3115540013657E+15
Volume 3.1340516110682E+23
Height 65310730.376308