72057981 (number)

72057981 is an odd 8-digits composite number following 72057980 and preceding 72057982. In scientific notation, it is written as 7.2057981 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 44089920 positive integers (up to 72057981) that are relatively prime to 72057981.

Interesting facts

Basic properties

Name

Name seventy-two million fifty-seven thousand nine hundred eighty-one

Notation

Scientific notation 7.2057981 × 10^7
Engineering notation 7.2057981 × 10^6

Prime Factorization of 72057981

Prime Factorization 3 × 43 × 37 × 31 × 487

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 72057981
Product of the distinct prime numbers

The prime factorization of 72057981 is 3 × 43 × 37 × 31 × 487. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 12, 65, 167, 227, 6703, 7667, 36972, 83423, 887310, 640409, 3739741, 3104089, 62822246, 73067556, 965661319, 905215045, 4964410005, 5034885911

Basic calculations (n = 72057981)

Multiplication

n×y
n×2 144115962
n×3 216173943
n×4 288231924
n×5 360289905

Division

n÷y
n÷2 36028990.5
n÷3 24019327
n÷3 18014495.25
n÷5 14411596.2

Exponentiation

ny
n2 5192352625796361
n3 3.7415044685493E+23
n4 2.6960525790614E+31
n5 1.9427210551701E+39

Nth Root

y√n
2√n 8488.6972498729
3√n 416.12840625896
4√n 92.134126412925
5√n 37.285194923468

Divisors of 72057981

1, 3, 31, 37, 43, 93, 111, 129, 487, 1147, 1333, 1461, 1591, 3441, 3999, 4773, 15097, 18019, 20941, 45291, 49321, 54057, 62823, 147963, 558589, 649171, 774817, 1675767, 1947513, 2324451, 24019327, 72057981

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72057980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72057981 can be divided by 32 positive divisors. The sum of these divisors (counting 72057981) is 1, the average is 0.03125.

Base conversion 72057981

Base System Value
2 Binary 100010010111000010001111101
3 Ternary 12000120220222010
4 Quaternary 10102320101331
5 Quinary 121421323411
6 Senary 11052241433
8 Octal 422702175
10 Decimal 72057981
12 Duodecimal 20170279
16 Hexadecimal 44b847d
20 Vigesimal 12a74j1
36 Base36 16wgal

Cryptographic Hash Functions

md5 87dc3aca0b431c18c758b399524dc602
sha1 a7ea76f616e26ab4fc1c40168557a9507dd3c5fe
sha256 f8079b9d33ea1c09d3ec80d6c90a8b912e51b4047a8e8f07bef25577dc326cba
sha512 99307a47cf381d1adc76a06fde56713ec3ce2fce0f1e07fe9b103de0946b38a856a956fa979909688b0b285d2675ab2a20a89b9bc5efefc3c797d132bd9efaf2
ripemd-160 d9ca95bd81844171b6dd5b8c694b664bdb280c89

72057981 as geometric shapes

Circle

Radius = n
Diameter 144115962
Circumference 452753647.48423
Area 1.631225686405E+16

Sphere

Radius = n
Volume 1.5672377269024E+24
Surface area 6.5249027456198E+16
Circumference 452753647.48423

Square

Length = n
Perimeter 288231924
Area 5192352625796361
Diagonal 101905374.00742

Cube

Length = n
Surface area 31154115754778166
Volume 3.7415044685493E+23
Space diagonal 124808084.18283

Equilateral Triangle

Length = n
Perimeter 216173943
Area 2.2483546396732E+15
Altitude 62404042.091416

Triangular Pyramid

Length = n
Surface area 2.2483546396732E+15
Volume 4.409405302585E+22
Height 33968458.002474