71081491 (number)

71081491 is an odd 8-digits composite number following 71081490 and preceding 71081492. In scientific notation, it is written as 7.1081491 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 64353024 positive integers (up to 71081491) that are relatively prime to 71081491.

Interesting facts

Basic properties

Name

Name seventy-one million eighty-one thousand four hundred ninety-one

Notation

Scientific notation 7.1081491 × 10^7
Engineering notation 7.1081491 × 10^6

Prime Factorization of 71081491

Prime Factorization 13 × 137 × 373 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71081491
Product of the distinct prime numbers

The prime factorization of 71081491 is 13 × 137 × 373 × 107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 95, 31, 59, 973, 8902, 18, 10587, 59793, 453590, 216770, 6247488, 7166629, 45141663, 64948622, 731932130, 560128597, 9911899225, 6396852147

Basic calculations (n = 71081491)

Multiplication

n×y
n×2 142162982
n×3 213244473
n×4 284325964
n×5 355407455

Division

n÷y
n÷2 35540745.5
n÷3 23693830.333333
n÷3 17770372.75
n÷5 14216298.2

Exponentiation

ny
n2 5052578362783081
n3 3.5914480342096E+23
n4 2.5528548112064E+31
n5 1.8146072628707E+39

Nth Root

y√n
2√n 8430.9839876494
3√n 414.2401366144
4√n 91.820389825187
5√n 37.183588979618

Divisors of 71081491

1, 13, 107, 137, 373, 1391, 1781, 4849, 14659, 39911, 51101, 190567, 518843, 664313, 5467807, 71081491

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 -71081490
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 71081491 can be divided by 16 positive divisors. The sum of these divisors (counting 71081491) is 1, the average is 0.0625.

Base conversion 71081491

Base System Value
2 Binary 100001111001001111000010011
3 Ternary 11221202022110211
4 Quaternary 10033021320103
5 Quinary 121144101431
6 Senary 11015304551
8 Octal 417117023
10 Decimal 71081491
12 Duodecimal 1b97b157
16 Hexadecimal 43c9e13
20 Vigesimal 12453eb
36 Base36 16bitv

Cryptographic Hash Functions

md5 230d2b33df01be26f25ea51de32bea96
sha1 bc082cfb60db219dffe0c0274387cd472a4be728
sha256 d62b1d0afd28a16497b216f1edef374bc94bfe2befe47390400195ed3ae731c5
sha512 6883ff2cc0d9c98f4770916e1bdb24d2cc9dc88fef46ecf330106f70527a295ee10d16f1366165395ccd7220fb6566db667d3ba6fb5e43ce030999dcffd5c520
ripemd-160 d8662cb127d52dbb91ef9400c52fa3fddce6c90d

71081491 as geometric shapes

Circle

Radius = n
Diameter 142162982
Circumference 446618179.86362
Area 1.5873143066206E+16

Sphere

Radius = n
Volume 1.5043822346697E+24
Surface area 6.3492572264824E+16
Circumference 446618179.86362

Square

Length = n
Perimeter 284325964
Area 5052578362783081
Diagonal 100524408.6059

Cube

Length = n
Surface area 30315470176698486
Volume 3.5914480342096E+23
Space diagonal 123116753.88975

Equilateral Triangle

Length = n
Perimeter 213244473
Area 2.1878306083909E+15
Altitude 61558376.944875

Triangular Pyramid

Length = n
Surface area 2.1878306083909E+15
Volume 4.2325620987812E+22
Height 33508136.201967