81072553 (number)

81072553 is an odd 8-digits composite number following 81072552 and preceding 81072554. In scientific notation, it is written as 8.1072553 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 81029008 positive integers (up to 81072553) that are relatively prime to 81072553.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-two thousand five hundred fifty-three

Notation

Scientific notation 8.1072553 × 10^7
Engineering notation 8.1072553 × 10^6

Prime Factorization of 81072553

Prime Factorization 1949 × 41597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81072553
Product of the distinct prime numbers

The prime factorization of 81072553 is 1949 × 41597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81072553)

Multiplication

n×y
n×2 162145106
n×3 243217659
n×4 324290212
n×5 405362765

Division

n÷y
n÷2 40536276.5
n÷3 27024184.333333
n÷3 20268138.25
n÷5 16214510.6

Exponentiation

ny
n2 6572758849937809
n3 5.328703402178E+23
n4 4.3201158899436E+31
n5 3.5024282445359E+39

Nth Root

y√n
2√n 9004.0298200306
3√n 432.80401714923
4√n 94.889566444528
5√n 38.174624147967

Divisors of 81072553

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 -81072552
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 81072553 can be divided by 4 positive divisors. The sum of these divisors (counting 81072553) is 1, the average is 0.25.

Base conversion 81072553

Base System Value
2 Binary 100110101010001000110101001
3 Ternary 12122112220122011
4 Quaternary 10311101012221
5 Quinary 131223310203
6 Senary 12013355521
8 Octal 465210651
10 Decimal 81072553
12 Duodecimal 23198ba1
16 Hexadecimal 4d511a9
20 Vigesimal 156e17d
36 Base36 1c9nzd

Cryptographic Hash Functions

md5 234dc148dc7b1b8f2ea7cef769e55d6c
sha1 cf16edc132becfadcfbb1ff3abab0e6e9c4b23e7
sha256 ecc3ed05782c7c7fca382017c39a914db89327c9d2b694ff1e70f4e5eab7574a
sha512 d143a72f1f02377d02835752019503af7d532034d3d0102584d92245517dfe9c02ee20dddba8d7224b3686babce78b3a3992d56ea08c7dc0b87b3d65504b2716
ripemd-160 d475f2f2398baf7ce395b9679e6e7997be52ea6f

81072553 as geometric shapes

Circle

Radius = n
Diameter 162145106
Circumference 509393873.82514
Area 2.0648930916782E+16

Sphere

Radius = n
Volume 2.2320820615255E+24
Surface area 8.2595723667128E+16
Circumference 509393873.82514

Square

Length = n
Perimeter 324290212
Area 6572758849937809
Diagonal 114653903.98881

Cube

Length = n
Surface area 39436553099626854
Volume 5.328703402178E+23
Space diagonal 140421780.89532

Equilateral Triangle

Length = n
Perimeter 243217659
Area 2.8460880684976E+15
Altitude 70210890.44766

Triangular Pyramid

Length = n
Surface area 2.8460880684976E+15
Volume 6.2799371843532E+22
Height 38217967.996271