72990161 (number)

72990161 is an odd 8-digits composite number following 72990160 and preceding 72990162. In scientific notation, it is written as 7.2990161 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 72882612 positive integers (up to 72990161) that are relatively prime to 72990161.

Interesting facts

Basic properties

Name

Name seventy-two million nine hundred ninety thousand one hundred sixty-one

Notation

Scientific notation 7.2990161 × 10^7
Engineering notation 7.2990161 × 10^6

Prime Factorization of 72990161

Prime Factorization 683 × 106867

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72990161
Product of the distinct prime numbers

The prime factorization of 72990161 is 683 × 106867. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72990161)

Multiplication

n×y
n×2 145980322
n×3 218970483
n×4 291960644
n×5 364950805

Division

n÷y
n÷2 36495080.5
n÷3 24330053.666667
n÷3 18247540.25
n÷5 14598032.2

Exponentiation

ny
n2 5327563602805921
n3 3.8885972510654E+23
n4 2.8382933941942E+31
n5 2.0716749180747E+39

Nth Root

y√n
2√n 8543.4279419914
3√n 417.91514230209
4√n 92.430665593143
5√n 37.381167762487

Divisors of 72990161

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72990160
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72990161 can be divided by 4 positive divisors. The sum of these divisors (counting 72990161) is 1, the average is 0.25.

Base conversion 72990161

Base System Value
2 Binary 100010110011011110111010001
3 Ternary 12002100021200022
4 Quaternary 10112123313101
5 Quinary 122141141121
6 Senary 11124233225
8 Octal 426336721
10 Decimal 72990161
12 Duodecimal 2053b815
16 Hexadecimal 459bdd1
20 Vigesimal 12g3f81
36 Base36 17gfkh

Cryptographic Hash Functions

md5 67c46ff48c5512e4b7c577f5d8bbea4f
sha1 423c2d37b3065b3cb914828e607b203b5451f4f2
sha256 693362b67934f1970dd006267d7c36d4d5a4e42b0f47577f5acdf7d5207c006a
sha512 39f15c74a477848e1656dec6042a7c1de278b4068728e2cf7042d9be5be87374ec1405dc974b6107061d4dcb895a2ac9aa47767c8da6c3366702b6a133ea4590
ripemd-160 59c2590faa2e0e03ae92548f281d5197889872df

72990161 as geometric shapes

Circle

Radius = n
Diameter 145980322
Circumference 458610707.16387
Area 1.6737034676107E+16

Sphere

Radius = n
Volume 1.6288518075622E+24
Surface area 6.694813870443E+16
Circumference 458610707.16387

Square

Length = n
Perimeter 291960644
Area 5327563602805921
Diagonal 103223675.606

Cube

Length = n
Surface area 31965381616835526
Volume 3.8885972510654E+23
Space diagonal 126422667.30463

Equilateral Triangle

Length = n
Perimeter 218970483
Area 2.3069027101536E+15
Altitude 63211333.652316

Triangular Pyramid

Length = n
Surface area 2.3069027101536E+15
Volume 4.5827558092196E+22
Height 34407891.868665