72138045 (number)

72138045 is an odd 8-digits composite number following 72138044 and preceding 72138046. In scientific notation, it is written as 7.2138045 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 20 positive divisors. There are 32960928 positive integers (up to 72138045) that are relatively prime to 72138045.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred thirty-eight thousand forty-five

Notation

Scientific notation 7.2138045 × 10^7
Engineering notation 7.2138045 × 10^6

Prime Factorization of 72138045

Prime Factorization 15 × 49 × 7 × 7 × 2003

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10305435
Product of the distinct prime numbers

The prime factorization of 72138045 is 15 × 49 × 7 × 7 × 2003. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 62, 33, 405, 951, 6545, 1558, 50911, 97707, 31060, 31729, 9598895, 1257606, 31447049, 66852278, 890822023, 274578840, 1919369343, 3733846093

Basic calculations (n = 72138045)

Multiplication

n×y
n×2 144276090
n×3 216414135
n×4 288552180
n×5 360690225

Division

n÷y
n÷2 36069022.5
n÷3 24046015
n÷3 18034511.25
n÷5 14427609

Exponentiation

ny
n2 5203897536422025
n3 3.753989946578E+23
n4 2.7080549569579E+31
n5 1.953537903475E+39

Nth Root

y√n
2√n 8493.4118586114
3√n 416.28247002973
4√n 92.159708433845
5√n 37.293476798534

Divisors of 72138045

1, 7, 15, 49, 105, 343, 735, 2003, 2401, 5145, 14021, 30045, 36015, 98147, 210315, 687029, 1472205, 4809203, 10305435, 72138045

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72138044
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72138045 can be divided by 20 positive divisors. The sum of these divisors (counting 72138045) is 1, the average is 0.05.

Base conversion 72138045

Base System Value
2 Binary 100010011001011110100111101
3 Ternary 12000201222210110
4 Quaternary 10103023310331
5 Quinary 121431404140
6 Senary 11054100233
8 Octal 423136475
10 Decimal 72138045
12 Duodecimal 201aa679
16 Hexadecimal 44cbd3d
20 Vigesimal 12ah525
36 Base36 16y62l

Cryptographic Hash Functions

md5 465a7e36cd571c1848b525eda3be3246
sha1 72ff891449f0d8d8260bbfe5e366e7c7c8905638
sha256 bd9f5b272e9a99112d2fd667017eef3e8ddae3025be5116e13fa6241324d26eb
sha512 73beda8619d5f1028b5b5c45d310177d01fc5febdc8fb52b99077ee0c55bcbb4834f4052c20b7c9e1a62058faa00b3c51ce62d718a9ff6c7007a73f5da17209f
ripemd-160 fdac31433c8062be5747ae3e933ccce033d37cbf

72138045 as geometric shapes

Circle

Radius = n
Diameter 144276090
Circumference 453256704.43266
Area 1.6348526270457E+16

Sphere

Radius = n
Volume 1.5724676317093E+24
Surface area 6.539410508183E+16
Circumference 453256704.43266

Square

Length = n
Perimeter 288552180
Area 5203897536422025
Diagonal 102018601.60208

Cube

Length = n
Surface area 31223385218532150
Volume 3.753989946578E+23
Space diagonal 124946759.09869

Equilateral Triangle

Length = n
Perimeter 216414135
Area 2.2533537326164E+15
Altitude 62473379.549345

Triangular Pyramid

Length = n
Surface area 2.2533537326164E+15
Volume 4.4241195795524E+22
Height 34006200.534027