72891805 (number)

72891805 is an odd 8-digits composite number following 72891804 and preceding 72891806. In scientific notation, it is written as 7.2891805 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 49879872 positive integers (up to 72891805) that are relatively prime to 72891805.

Interesting facts

Basic properties

Name

Name seventy-two million eight hundred ninety-one thousand eight hundred five

Notation

Scientific notation 7.2891805 × 10^7
Engineering notation 7.2891805 × 10^6

Prime Factorization of 72891805

Prime Factorization 5 × 7 × 557 × 3739

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72891805
Product of the distinct prime numbers

The prime factorization of 72891805 is 5 × 7 × 557 × 3739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 51, 7, 397, 682, 9583, 5338, 26882, 25447, 423444, 805195, 2814162, 2573432, 54330558, 10962394, 884308519, 197171793, 1378105473, 7451965170

Basic calculations (n = 72891805)

Multiplication

n×y
n×2 145783610
n×3 218675415
n×4 291567220
n×5 364459025

Division

n÷y
n÷2 36445902.5
n÷3 24297268.333333
n÷3 18222951.25
n÷5 14578361

Exponentiation

ny
n2 5313215236158025
n3 3.8728984891706E+23
n4 2.8230256145742E+31
n5 2.0577543260755E+39

Nth Root

y√n
2√n 8537.6697640515
3√n 417.72734101449
4√n 92.399511708945
5√n 37.371087923105

Divisors of 72891805

1, 5, 7, 35, 557, 2785, 3739, 3899, 18695, 19495, 26173, 130865, 2082623, 10413115, 14578361, 72891805

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72891804
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72891805 can be divided by 16 positive divisors. The sum of these divisors (counting 72891805) is 1, the average is 0.0625.

Base conversion 72891805

Base System Value
2 Binary 100010110000011110110011101
3 Ternary 12002011021202111
4 Quaternary 10112003312131
5 Quinary 122130014210
6 Senary 11122154021
8 Octal 426036635
10 Decimal 72891805
12 Duodecimal 204b2911
16 Hexadecimal 4583d9d
20 Vigesimal 12fb9a5
36 Base36 17ebod

Cryptographic Hash Functions

md5 2a25a1a3aacea786b68ea42cd13be17c
sha1 e39aa562333b1d825a8d644f9a8e4e7581019104
sha256 97f50a679feac684d694c473ecbc4700313c341aeafc63db9902508aaa9c1437
sha512 ff02dc52a8de7b7c2968048c8a5df5ea707dd687c0bb093e28d620fd5fe46edd9b943e234d05a7aaad6ed4dd6e0c37258e001d8c085d1ad66e37bcec7329096e
ripemd-160 79b05c4414c4cc3a77a57632abdd5700d188eb80

72891805 as geometric shapes

Circle

Radius = n
Diameter 145783610
Circumference 457992718.1898
Area 1.6691957952855E+16

Sphere

Radius = n
Volume 1.622275925557E+24
Surface area 6.6767831811422E+16
Circumference 457992718.1898

Square

Length = n
Perimeter 291567220
Area 5313215236158025
Diagonal 103084579.21685

Cube

Length = n
Surface area 31879291416948150
Volume 3.8728984891706E+23
Space diagonal 126252309.7154

Equilateral Triangle

Length = n
Perimeter 218675415
Area 2.3006896851437E+15
Altitude 63126154.857702

Triangular Pyramid

Length = n
Surface area 2.3006896851437E+15
Volume 4.5642546408994E+22
Height 34361526.405618