72161749 (number)

72161749 is an odd 8-digits composite number following 72161748 and preceding 72161750. In scientific notation, it is written as 7.2161749 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 65601580 positive integers (up to 72161749) that are relatively prime to 72161749.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred sixty-one thousand seven hundred forty-nine

Notation

Scientific notation 7.2161749 × 10^7
Engineering notation 7.2161749 × 10^6

Prime Factorization of 72161749

Prime Factorization 11 × 6560159

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72161749
Product of the distinct prime numbers

The prime factorization of 72161749 is 11 × 6560159. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72161749)

Multiplication

n×y
n×2 144323498
n×3 216485247
n×4 288646996
n×5 360808745

Division

n÷y
n÷2 36080874.5
n÷3 24053916.333333
n÷3 18040437.25
n÷5 14432349.8

Exponentiation

ny
n2 5207318018739001
n3 3.7576917583142E+23
n4 2.7116160948284E+31
n5 1.9567496001937E+39

Nth Root

y√n
2√n 8494.8071785062
3√n 416.32806076282
4√n 92.167278241826
5√n 37.295927345693

Divisors of 72161749

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 -72161748
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 72161749 can be divided by 4 positive divisors. The sum of these divisors (counting 72161749) is 1, the average is 0.25.

Base conversion 72161749

Base System Value
2 Binary 100010011010001100111010101
3 Ternary 12000210012022101
4 Quaternary 10103101213111
5 Quinary 121433133444
6 Senary 11054402101
8 Octal 423214725
10 Decimal 72161749
12 Duodecimal 20200331
16 Hexadecimal 44d19d5
20 Vigesimal 12b0479
36 Base36 16yod1

Cryptographic Hash Functions

md5 bbaadc4cef736bcf04f9d5b730fce1f1
sha1 04af200c12e06901ed7ea40b85072c83ade6a1ae
sha256 3fe7f1a599492cd63155f278f2729a251da883f947e355689e20486508c9233a
sha512 b0b5617281e90e565ec0acc53a63b64783b16422928f3138d70b352a22197d31e46bdb516898d2227e94ab3a76c68e0b907b8b90f0751dd159316272a75ed999
ripemd-160 4e2aab2e16697eebd6029a9b3bbe2d4e5743f2cc

72161749 as geometric shapes

Circle

Radius = n
Diameter 144323498
Circumference 453405641.05718
Area 1.6359272032576E+16

Sphere

Radius = n
Volume 1.5740182429833E+24
Surface area 6.5437088130305E+16
Circumference 453405641.05718

Square

Length = n
Perimeter 288646996
Area 5207318018739001
Diagonal 102052124.12036

Cube

Length = n
Surface area 31243908112434006
Volume 3.7576917583142E+23
Space diagonal 124987815.63103

Equilateral Triangle

Length = n
Perimeter 216485247
Area 2.2548348449062E+15
Altitude 62493907.815516

Triangular Pyramid

Length = n
Surface area 2.2548348449062E+15
Volume 4.4284822065213E+22
Height 34017374.706788