81273797 (number)

81273797 is an odd 8-digits composite number following 81273796 and preceding 81273798. In scientific notation, it is written as 8.1273797 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 73885260 positive integers (up to 81273797) that are relatively prime to 81273797.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-three thousand seven hundred ninety-seven

Notation

Scientific notation 8.1273797 × 10^7
Engineering notation 8.1273797 × 10^6

Prime Factorization of 81273797

Prime Factorization 11 × 7388527

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81273797
Product of the distinct prime numbers

The prime factorization of 81273797 is 11 × 7388527. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 32, 60, 625, 290, 3837, 2346, 31890, 83100, 545465, 810639, 878691, 166136, 35837938, 18802810, 767190762, 535933817, 5914506385, 8193980752

Basic calculations (n = 81273797)

Multiplication

n×y
n×2 162547594
n×3 243821391
n×4 325095188
n×5 406368985

Division

n÷y
n÷2 40636898.5
n÷3 27091265.666667
n÷3 20318449.25
n÷5 16254759.4

Exponentiation

ny
n2 6605430078797209
n3 5.3684838332186E+23
n4 4.3631706525879E+31
n5 3.5461144589479E+39

Nth Root

y√n
2√n 9015.1981120772
3√n 433.16183344955
4√n 94.948397101147
5√n 38.193557306446

Divisors of 81273797

1, 11, 7388527, 81273797

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 -81273796
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 81273797 can be divided by 4 positive divisors. The sum of these divisors (counting 81273797) is 1, the average is 0.25.

Base conversion 81273797

Base System Value
2 Binary 100110110000010001111000101
3 Ternary 12122221010200122
4 Quaternary 10312002033011
5 Quinary 131301230142
6 Senary 12021551325
8 Octal 466021705
10 Decimal 81273797
12 Duodecimal 23275545
16 Hexadecimal 4d823c5
20 Vigesimal 157j49h
36 Base36 1cdz9h

Cryptographic Hash Functions

md5 0952a9f1a71fe25167512bb4b5274e64
sha1 74885b886edf77b7b99ba9f27a8adbca8ae2f28e
sha256 fd0038ec136d4b2b92ce45e70f2e89c962273c721bd411ef0dade45323aad5c7
sha512 b80259079f144aab5978cb77496b3cb1b577f1fff6787ee6489eaf8a517d01d61da4fe0bd4d27fef96f07e07806dd4e1688e35d94ee3aa9ee46c1a216fbaf076
ripemd-160 d371e0e00a41000071317bf4b8b3128cd0479a90

81273797 as geometric shapes

Circle

Radius = n
Diameter 162547594
Circumference 510658327.1691
Area 2.075157060935E+16

Sphere

Radius = n
Volume 2.248745249514E+24
Surface area 8.3006282437401E+16
Circumference 510658327.1691

Square

Length = n
Perimeter 325095188
Area 6605430078797209
Diagonal 114938505.98296

Cube

Length = n
Surface area 39632580472783254
Volume 5.3684838332186E+23
Space diagonal 140770345.72804

Equilateral Triangle

Length = n
Perimeter 243821391
Area 2.8602351255801E+15
Altitude 70385172.864019

Triangular Pyramid

Length = n
Surface area 2.8602351255801E+15
Volume 6.326818871932E+22
Height 38312835.327653