138996945 (number)

138996945 is an odd 9-digits composite number following 138996944 and preceding 138996946. In scientific notation, it is written as 1.38996945 × 10^8. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 73187712 positive integers (up to 138996945) that are relatively prime to 138996945.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million nine hundred ninety-six thousand nine hundred forty-five

Notation

Scientific notation 1.38996945 × 10^8
Engineering notation 1.38996945 × 10^6

Prime Factorization of 138996945

Prime Factorization 27 × 5 × 79 × 13033

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 138996945
Product of the distinct prime numbers

The prime factorization of 138996945 is 27 × 5 × 79 × 13033. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 100, 33, 639, 847, 6027, 7328, 42110, 26346, 474543, 472241, 9235754, 7543484, 65385335, 28951325, 929705879, 936563454, 4667003560, 2398595840

Basic calculations (n = 138996945)

Multiplication

n×y
n×2 277993890
n×3 416990835
n×4 555987780
n×5 694984725

Division

n÷y
n÷2 69498472.5
n÷3 46332315
n÷3 34749236.25
n÷5 27799389

Exponentiation

ny
n2 19320150719333025
n3 2.6854419269268E+24
n4 3.7326822381774E+32
n5 5.1883142776243E+40

Nth Root

y√n
2√n 11789.696560981
3√n 518.00635169584
4√n 108.58036913264
5√n 42.520763198903

Divisors of 138996945

1, 5, 27, 79, 135, 395, 2133, 10665, 13033, 65165, 351891, 1029607, 1759455, 5148035, 27799389, 138996945

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138996944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138996945 can be divided by 16 positive divisors. The sum of these divisors (counting 138996945) is 1, the average is 0.0625.

Base conversion 138996945

Base System Value
2 Binary 1000010010001110110011010001
3 Ternary 100200112202222000
4 Quaternary 20102032303101
5 Quinary 241040400240
6 Senary 21443104213
8 Octal 1022166321
10 Decimal 138996945
12 Duodecimal 3a672069
16 Hexadecimal 848ecd1
20 Vigesimal 238ec75
36 Base36 2ar6q9

Cryptographic Hash Functions

md5 823229f23c88d09bfd4ac00155b9b762
sha1 7474a9f99abfe650b0d994b211a9248e5710c7f0
sha256 fb8b355656d9d3f2bed583c517598abcadd04f59c19b598432b9c9adf1bc1c8d
sha512 9ee2bcfe8ff431494f38c796577e1eb01d9fb1eca840e3719783bba6f98ca08bb41cd0cf5381278881d96658dc1cbdca035c28d4f3220075a5f9be3840d32bd9
ripemd-160 3b264f542f862c03719ee3d99d7ae5899dfc87b8

138996945 as geometric shapes

Circle

Radius = n
Diameter 277993890
Circumference 873343562.56685
Area 6.0696043566104E+16

Sphere

Radius = n
Volume 1.1248752839034E+25
Surface area 2.4278417426442E+17
Circumference 873343562.56685

Square

Length = n
Perimeter 555987780
Area 19320150719333025
Diagonal 196571364.74743

Cube

Length = n
Surface area 115920904315998150
Volume 2.6854419269268E+24
Space diagonal 240749770.83686

Equilateral Triangle

Length = n
Perimeter 416990835
Area 8.3658706639433E+15
Altitude 120374885.41843

Triangular Pyramid

Length = n
Surface area 8.3658706639433E+15
Volume 3.1648236616877E+23
Height 65523788.249142