71978981 (number)

71978981 is an odd 8-digits prime number following 71978980 and preceding 71978982. In scientific notation, it is written as 7.1978981 × 10^7. The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors. There are 71978980 positive integers (up to 71978981) that are relatively prime to 71978981.

Interesting facts

Basic properties

Name

Name seventy-one million nine hundred seventy-eight thousand nine hundred eighty-one

Notation

Scientific notation 7.1978981 × 10^7
Engineering notation 7.1978981 × 10^6

Prime Factorization of 71978981

Prime Factorization 71978981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 71978981
Product of the distinct prime numbers

The prime factorization of 71978981 is 71978981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71978981)

Multiplication

n×y
n×2 143957962
n×3 215936943
n×4 287915924
n×5 359894905

Division

n÷y
n÷2 35989490.5
n÷3 23992993.666667
n÷3 17994745.25
n÷5 14395796.2

Exponentiation

ny
n2 5180973705798361
n3 3.7292120793116E+23
n4 2.6842488540174E+31
n5 1.9320949726259E+39

Nth Root

y√n
2√n 8484.0427273794
3√n 415.97627800196
4√n 92.108863457213
5√n 37.277015890615

Divisors of 71978981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 71978982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 35989491
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 8484.0427863136
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999722141
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71978981 can be divided by 2 positive divisors. The sum of these divisors (counting 71978981) is 71978982, the average is 35989491.

Base conversion 71978981

Base System Value
2 Binary 100010010100100111111100101
3 Ternary 12000102220121012
4 Quaternary 10102210333211
5 Quinary 121411311411
6 Senary 11050432005
8 Octal 422447745
10 Decimal 71978981
12 Duodecimal 20132605
16 Hexadecimal 44a4fe5
20 Vigesimal 129h791
36 Base36 16urc5

Cryptographic Hash Functions

md5 a82e27ccc56387f34244498c6aba6df9
sha1 5073254ab622925e64b708df8f573bd3fc7bd2b6
sha256 81f107df668f225a6bb6284558cda77091ac4a1870a04a06fa77db5a1e5b8fdd
sha512 650e5104f91f32f2260b54b025d4a5270131370ce8c10d1f125c4f85120a5a003f282298b7f6f4603088a1b514865f0da086ea9fc08dab3b552686896c2a2303
ripemd-160 fcf69f377e7b9df281f59982e5c97d18e186cd07

71978981 as geometric shapes

Circle

Radius = n
Diameter 143957962
Circumference 452257275.84496
Area 1.6276508932578E+16

Sphere

Radius = n
Volume 1.5620887029392E+24
Surface area 6.5106035730312E+16
Circumference 452257275.84496

Square

Length = n
Perimeter 287915924
Area 5180973705798361
Diagonal 101793651.136

Cube

Length = n
Surface area 31085842234790166
Volume 3.7292120793116E+23
Space diagonal 124671252.16903

Equilateral Triangle

Length = n
Perimeter 215936943
Area 2.2434274227803E+15
Altitude 62335626.084517

Triangular Pyramid

Length = n
Surface area 2.2434274227803E+15
Volume 4.39491858294E+22
Height 33931217.045332