71661521 (number)

71661521 is an odd 8-digits composite number following 71661520 and preceding 71661522. In scientific notation, it is written as 7.1661521 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 65853648 positive integers (up to 71661521) that are relatively prime to 71661521.

Interesting facts

Basic properties

Name

Name seventy-one million six hundred sixty-one thousand five hundred twenty-one

Notation

Scientific notation 7.1661521 × 10^7
Engineering notation 7.1661521 × 10^6

Prime Factorization of 71661521

Prime Factorization 43 × 19 × 367 × 239

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71661521
Product of the distinct prime numbers

The prime factorization of 71661521 is 43 × 19 × 367 × 239. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 94, 42, 140, 994, 5500, 2924, 86501, 57382, 504409, 220173, 8619791, 4463834, 75835909, 16002454, 861912975, 443425171, 3797199955, 6171608870

Basic calculations (n = 71661521)

Multiplication

n×y
n×2 143323042
n×3 214984563
n×4 286646084
n×5 358307605

Division

n÷y
n÷2 35830760.5
n÷3 23887173.666667
n÷3 17915380.25
n÷5 14332304.2

Exponentiation

ny
n2 5135373592033441
n3 3.6800868250835E+23
n4 2.6372061929754E+31
n5 1.8898620697924E+39

Nth Root

y√n
2√n 8465.312811704
3√n 415.36382861493
4√n 92.007134569576
5√n 37.244076012956

Divisors of 71661521

1, 19, 43, 239, 367, 817, 4541, 6973, 10277, 15781, 87713, 195263, 299839, 1666547, 3771659, 71661521

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 -71661520
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 71661521 can be divided by 16 positive divisors. The sum of these divisors (counting 71661521) is 1, the average is 0.0625.

Base conversion 71661521

Base System Value
2 Binary 100010001010111011111010001
3 Ternary 11222211210010102
4 Quaternary 10101113133101
5 Quinary 121321132041
6 Senary 11035542145
8 Octal 421273721
10 Decimal 71661521
12 Duodecimal 1bbba955
16 Hexadecimal 44577d1
20 Vigesimal 127hdg1
36 Base36 16nydt

Cryptographic Hash Functions

md5 c898cf6dadc7ab8a94b26743bba3db7a
sha1 ed3a007923305b53cd87b174a599c6ae3d8781f9
sha256 08ed6a3cea8fde51948f930c316153331ef91c7a062009a9fd67d517c870b269
sha512 67f8d081919674184be4d8e16c54bda08da1eba1f47aa76f00bcb84f67fcc994e3c051360514aac2b42996128eae6ab227f7752f353d525fa3c9bbddbcbf3f9b
ripemd-160 6702368a702d89ab306ca5f51cceface16c748dc

71661521 as geometric shapes

Circle

Radius = n
Diameter 143323042
Circumference 450262615.83734
Area 1.6133251950171E+16

Sphere

Radius = n
Volume 1.5415111645673E+24
Surface area 6.4533007800685E+16
Circumference 450262615.83734

Square

Length = n
Perimeter 286646084
Area 5135373592033441
Diagonal 101344694.89848

Cube

Length = n
Surface area 30812241552200646
Volume 3.6800868250835E+23
Space diagonal 124121395.31966

Equilateral Triangle

Length = n
Perimeter 214984563
Area 2.2236819943124E+15
Altitude 62060697.659832

Triangular Pyramid

Length = n
Surface area 2.2236819943124E+15
Volume 4.3370239156197E+22
Height 33781564.966161