81371043 (number)

81371043 is an odd 8-digits composite number following 81371042 and preceding 81371044. In scientific notation, it is written as 8.1371043 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 49682880 positive integers (up to 81371043) that are relatively prime to 81371043.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred seventy-one thousand forty-three

Notation

Scientific notation 8.1371043 × 10^7
Engineering notation 8.1371043 × 10^6

Prime Factorization of 81371043

Prime Factorization 9 × 13 × 131 × 5309

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81371043
Product of the distinct prime numbers

The prime factorization of 81371043 is 9 × 13 × 131 × 5309. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 61, 23, 793, 205, 8535, 1001, 98317, 59599, 712383, 929772, 1366721, 1127514, 86797417, 53223441, 303300288, 742495495, 7118598507, 8019048822

Basic calculations (n = 81371043)

Multiplication

n×y
n×2 162742086
n×3 244113129
n×4 325484172
n×5 406855215

Division

n÷y
n÷2 40685521.5
n÷3 27123681
n÷3 20342760.75
n÷5 16274208.6

Exponentiation

ny
n2 6621246638907849
n3 5.3877774496818E+23
n4 4.3840907053248E+31
n5 3.5673803329889E+39

Nth Root

y√n
2√n 9020.589947448
3√n 433.33452734714
4√n 94.976786360921
5√n 38.202692832161

Divisors of 81371043

1, 9, 13, 117, 131, 1179, 1703, 5309, 15327, 47781, 69017, 621153, 695479, 6259311, 9041227, 81371043

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 -81371042
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 81371043 can be divided by 16 positive divisors. The sum of these divisors (counting 81371043) is 1, the average is 0.0625.

Base conversion 81371043

Base System Value
2 Binary 100110110011001111110100011
3 Ternary 12200010002002100
4 Quaternary 10312121332203
5 Quinary 131312333133
6 Senary 12024021443
8 Octal 466317643
10 Decimal 81371043
12 Duodecimal 23301883
16 Hexadecimal 4d99fa3
20 Vigesimal 158b7c3
36 Base36 1cg2ar

Cryptographic Hash Functions

md5 e9d45e2f511396e514689437d1e29b17
sha1 d48109947af3ec8044f03a4051a8411ba90c31c4
sha256 023ba705cef6a0a3cdee2fccfcfa0925dcda0bf55d4bda5bee92310c82a67613
sha512 f8cb915a260da3ff28a46a9208c62842bcaa17b34fe3dc9f299f9229b982d48b012d64684e5a39634d865ee4d892a0585fb5aa2999b9cb895d0ec0df62c2f24d
ripemd-160 859f3b9b70eb552f5526565c5f244e741662b223

81371043 as geometric shapes

Circle

Radius = n
Diameter 162742086
Circumference 511269341.80748
Area 2.0801259798399E+16

Sphere

Radius = n
Volume 2.2568269406796E+24
Surface area 8.3205039193596E+16
Circumference 511269341.80748

Square

Length = n
Perimeter 325484172
Area 6621246638907849
Diagonal 115076032.59504

Cube

Length = n
Surface area 39727479833447094
Volume 5.3877774496818E+23
Space diagonal 140938780.74087

Equilateral Triangle

Length = n
Perimeter 244113129
Area 2.8670838970083E+15
Altitude 70469390.370436

Triangular Pyramid

Length = n
Surface area 2.8670838970083E+15
Volume 6.3495566169899E+22
Height 38358677.531681