72865720 (number)

72865720 is an even 8-digits composite number following 72865719 and preceding 72865721. In scientific notation, it is written as 7.2865720 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors. There are 28667520 positive integers (up to 72865720) that are relatively prime to 72865720.

Interesting facts

Basic properties

Name

Name seventy-two million eight hundred sixty-five thousand seven hundred twenty

Notation

Scientific notation 7.2865720 × 10^7
Engineering notation 7.2865720 × 10^6

Prime Factorization of 72865720

Prime Factorization 2 × 2 × 2 × 5 × 61 × 29863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 18216430
Product of the distinct prime numbers

The prime factorization of 72865720 is 2 × 2 × 2 × 5 × 61 × 29863. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 7, 14, 40, 788, 277, 2522, 1021, 90634, 23859, 545692, 976421, 5277072, 5734693, 61532909, 51655363, 440133548, 737136370, 5065083373, 3369808763

Basic calculations (n = 72865720)

Multiplication

n×y
n×2 145731440
n×3 218597160
n×4 291462880
n×5 364328600

Division

n÷y
n÷2 36432860
n÷3 24288573.333333
n÷3 18216430
n÷5 14573144

Exponentiation

ny
n2 5309413151118400
n3 3.8687421203371E+23
n4 2.8189868009269E+31
n5 2.0540750292004E+39

Nth Root

y√n
2√n 8536.1419856982
3√n 417.67750588445
4√n 92.391244096496
5√n 37.368412822939

Divisors of 72865720

1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 29863, 59726, 119452, 149315, 238904, 298630, 597260, 1194520, 1821643, 3643286, 7286572, 9108215, 14573144, 18216430, 36432860, 72865720

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 -72865719
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 72865720 can be divided by 32 positive divisors. The sum of these divisors (counting 72865720) is 1, the average is 0.03125.

Base conversion 72865720

Base System Value
2 Binary 100010101111101011110111000
3 Ternary 12002002221222101
4 Quaternary 10111331132320
5 Quinary 122123200340
6 Senary 11121433144
8 Octal 425753670
10 Decimal 72865720
12 Duodecimal 2049b7b4
16 Hexadecimal 457d7b8
20 Vigesimal 12f8460
36 Base36 17drjs

Cryptographic Hash Functions

md5 137ad02fea3bbefd4aca1c4e06616556
sha1 fefbc863d8accabf68181a2484152364934c6eb0
sha256 6fb15d2f1482a57f93afc3314521038de9ffd6124bef4ec34f3e20844bb6db1e
sha512 582c793a101c7260c329f4af6270fb76698af0ff503a807e409753530c96674b6bf61706fce060f15aca51a58f1aa83f345bf0e90c69c69f3d043438f14a2de6
ripemd-160 01d2453b9e43b47667d2c585738c14df5011773c

72865720 as geometric shapes

Circle

Radius = n
Diameter 145731440
Circumference 457828821.30106
Area 1.6680013350427E+16

Sphere

Radius = n
Volume 1.6205349098513E+24
Surface area 6.6720053401706E+16
Circumference 457828821.30106

Square

Length = n
Perimeter 291462880
Area 5309413151118400
Diagonal 103047689.45608

Cube

Length = n
Surface area 31856478906710400
Volume 3.8687421203371E+23
Space diagonal 126207129.17009

Equilateral Triangle

Length = n
Perimeter 218597160
Area 2.2990433340279E+15
Altitude 63103564.585044

Triangular Pyramid

Length = n
Surface area 2.2990433340279E+15
Volume 4.559356313254E+22
Height 34349229.818693