71520981 (number)

71520981 is an odd 8-digits composite number following 71520980 and preceding 71520982. In scientific notation, it is written as 7.1520981 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 39699840 positive integers (up to 71520981) that are relatively prime to 71520981.

Interesting facts

Basic properties

Name

Name seventy-one million five hundred twenty thousand nine hundred eighty-one

Notation

Scientific notation 7.1520981 × 10^7
Engineering notation 7.1520981 × 10^6

Prime Factorization of 71520981

Prime Factorization 329 × 3 × 311 × 233

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71520981
Product of the distinct prime numbers

The prime factorization of 71520981 is 329 × 3 × 311 × 233. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 53, 73, 295, 559, 9054, 3222, 77329, 10318, 832819, 706364, 9880041, 2421231, 38727528, 80797583, 355290285, 920289637, 7458388823, 5479692839

Basic calculations (n = 71520981)

Multiplication

n×y
n×2 143041962
n×3 214562943
n×4 286083924
n×5 357604905

Division

n÷y
n÷2 35760490.5
n÷3 23840327
n÷3 17880245.25
n÷5 14304196.2

Exponentiation

ny
n2 5115250723202361
n3 3.6584774978439E+23
n4 2.6165789961222E+31
n5 1.8714029666666E+39

Nth Root

y√n
2√n 8457.0078041823
3√n 415.09211870969
4√n 91.961991084264
5√n 37.229456190986

Divisors of 71520981

1, 3, 233, 311, 329, 699, 933, 987, 72463, 76657, 102319, 217389, 229971, 306957, 23840327, 71520981

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 -71520980
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 71520981 can be divided by 16 positive divisors. The sum of these divisors (counting 71520981) is 1, the average is 0.0625.

Base conversion 71520981

Base System Value
2 Binary 100010000110101001011010101
3 Ternary 11222120122100020
4 Quaternary 10100311023111
5 Quinary 121302132411
6 Senary 11032535353
8 Octal 420651325
10 Decimal 71520981
12 Duodecimal 1bb51559
16 Hexadecimal 44352d5
20 Vigesimal 1270291
36 Base36 16kxxx

Cryptographic Hash Functions

md5 a1f8b10c98dce1cca0a3feefb404106d
sha1 80980d8c640ef4d808ba6ebbfb8eb6bdcfecfe29
sha256 0b03045dc98736c0f572ed27751ac43a583d914c574bf28fcd4baac7430359aa
sha512 d0def2fa25fee26c4eb2d39e59ae4c4800127c981e5825b467272c0374706de33d77aa7e3d2570323375a6330d7380dffc90456a54e151f447bf42c615b3ca55
ripemd-160 1ca64c09c1ddb5fc014f1bb5ce0ad8a8275f4666

71520981 as geometric shapes

Circle

Radius = n
Diameter 143041962
Circumference 449379576.97427
Area 1.6070034093282E+16

Sphere

Radius = n
Volume 1.53245947074E+24
Surface area 6.428013637313E+16
Circumference 449379576.97427

Square

Length = n
Perimeter 286083924
Area 5115250723202361
Diagonal 101145941.32443

Cube

Length = n
Surface area 30691504339214166
Volume 3.6584774978439E+23
Space diagonal 123877972.89917

Equilateral Triangle

Length = n
Perimeter 214562943
Area 2.21496853651E+15
Altitude 61938986.449584

Triangular Pyramid

Length = n
Surface area 2.21496853651E+15
Volume 4.3115570792397E+22
Height 33715313.774809