71355981 (number)

71355981 is an odd 8-digits composite number following 71355980 and preceding 71355982. In scientific notation, it is written as 7.1355981 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 47548592 positive integers (up to 71355981) that are relatively prime to 71355981.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred fifty-five thousand nine hundred eighty-one

Notation

Scientific notation 7.1355981 × 10^7
Engineering notation 7.1355981 × 10^6

Prime Factorization of 71355981

Prime Factorization 3 × 2939 × 8093

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71355981
Product of the distinct prime numbers

The prime factorization of 71355981 is 3 × 2939 × 8093. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71355981)

Multiplication

n×y
n×2 142711962
n×3 214067943
n×4 285423924
n×5 356779905

Division

n÷y
n÷2 35677990.5
n÷3 23785327
n÷3 17838995.25
n÷5 14271196.2

Exponentiation

ny
n2 5091676024472361
n3 3.6332153766041E+23
n4 2.5925164738187E+31
n5 1.8499155624799E+39

Nth Root

y√n
2√n 8447.2469479707
3√n 414.77266496082
4√n 91.908905705436
5√n 37.212262531967

Divisors of 71355981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71355980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71355981 can be divided by 8 positive divisors. The sum of these divisors (counting 71355981) is 1, the average is 0.125.

Base conversion 71355981

Base System Value
2 Binary 100010000001100111001001101
3 Ternary 11222021021000010
4 Quaternary 10100030321031
5 Quinary 121231342411
6 Senary 11025223433
8 Octal 420147115
10 Decimal 71355981
12 Duodecimal 1ba91b79
16 Hexadecimal 440ce4d
20 Vigesimal 125j9j1
36 Base36 16heml

Cryptographic Hash Functions

md5 bf22218f0a10730c4f30b3312926e102
sha1 1de30555809ed412f51bb8dbfcaab6c764dd317f
sha256 132e5bd444c23cf3c1d945bc4964b225ac7442fefd236fc6b3d0d2b4da64111b
sha512 ca5fcfe7d34a5741b7bdb1f5e1cd8cb56fd8fb3947ba752c87aa7d019949629e3d7f748a183416c4e4727b33ea3d1bed4bbb9f14ae8aeaa8fc6e94cbdb42a710
ripemd-160 df9ae8549a874c73733031da9ad3e6b4eeb9e3d5

71355981 as geometric shapes

Circle

Radius = n
Diameter 142711962
Circumference 448342851.39859
Area 1.5995971992942E+16

Sphere

Radius = n
Volume 1.5218776981398E+24
Surface area 6.3983887971767E+16
Circumference 448342851.39859

Square

Length = n
Perimeter 285423924
Area 5091676024472361
Diagonal 100912596.08664

Cube

Length = n
Surface area 30550056146834166
Volume 3.6332153766041E+23
Space diagonal 123592184.51592

Equilateral Triangle

Length = n
Perimeter 214067943
Area 2.2047603925166E+15
Altitude 61796092.25796

Triangular Pyramid

Length = n
Surface area 2.2047603925166E+15
Volume 4.2817853838466E+22
Height 33637532.028879