71978689 (number)

71978689 is an odd 8-digits composite number following 71978688 and preceding 71978690. In scientific notation, it is written as 7.1978689 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 70304724 positive integers (up to 71978689) that are relatively prime to 71978689.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1978689 × 10^7
Engineering notation 7.1978689 × 10^6

Prime Factorization of 71978689

Prime Factorization 43 × 1673923

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71978689
Product of the distinct prime numbers

The prime factorization of 71978689 is 43 × 1673923. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71978689)

Multiplication

n×y
n×2 143957378
n×3 215936067
n×4 287914756
n×5 359893445

Division

n÷y
n÷2 35989344.5
n÷3 23992896.333333
n÷3 17994672.25
n÷5 14395737.8

Exponentiation

ny
n2 5180931670158721
n3 3.7291666941661E+23
n4 2.6842052970854E+31
n5 1.9320557829106E+39

Nth Root

y√n
2√n 8484.0255185849
3√n 415.97571549869
4√n 92.108770041646
5√n 37.276985645935

Divisors of 71978689

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71978688
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71978689 can be divided by 4 positive divisors. The sum of these divisors (counting 71978689) is 1, the average is 0.25.

Base conversion 71978689

Base System Value
2 Binary 100010010100100111011000001
3 Ternary 12000102220012101
4 Quaternary 10102210323001
5 Quinary 121411304224
6 Senary 11050430401
8 Octal 422447301
10 Decimal 71978689
12 Duodecimal 20132401
16 Hexadecimal 44a4ec1
20 Vigesimal 129h6e9
36 Base36 16ur41

Cryptographic Hash Functions

md5 83919db52aca0d83f10d3987a81a4878
sha1 d34355861d5745cdaf8d4f5f1592f74e5372a2de
sha256 3d149f9cf40242dc372d99d32e160c9fb225634814f24cce6994a754d5319bc3
sha512 a636f5d1d25778974b8176c52d67afb3f668c277dcd0de3cb23179b6ed67085dfb2364a460dc5a128536349a320801f7795a0bf8c58037d336a6be6c55a10aab
ripemd-160 651f31fb47d548042aa1dbda004e77c811d9a3bc

71978689 as geometric shapes

Circle

Radius = n
Diameter 143957378
Circumference 452255441.15485
Area 1.6276376873721E+16

Sphere

Radius = n
Volume 1.5620696920538E+24
Surface area 6.5105507494885E+16
Circumference 452255441.15485

Square

Length = n
Perimeter 287914756
Area 5180931670158721
Diagonal 101793238.18564

Cube

Length = n
Surface area 31085590020952326
Volume 3.7291666941661E+23
Space diagonal 124670746.4102

Equilateral Triangle

Length = n
Perimeter 215936067
Area 2.2434092208144E+15
Altitude 62335373.2051

Triangular Pyramid

Length = n
Surface area 2.2434092208144E+15
Volume 4.3948650960331E+22
Height 33931079.395212