71978986 (number)

71978986 is an even 8-digits composite number following 71978985 and preceding 71978987. In scientific notation, it is written as 7.1978986 × 10^7. The sum of its digits is 55. It has a total of 5 prime factors and 32 positive divisors. There are 31804416 positive integers (up to 71978986) that are relatively prime to 71978986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1978986 × 10^7
Engineering notation 7.1978986 × 10^6

Prime Factorization of 71978986

Prime Factorization 2 × 29 × 17 × 37 × 1973

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 71978986
Product of the distinct prime numbers

The prime factorization of 71978986 is 2 × 29 × 17 × 37 × 1973. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 51, 46, 484, 251, 9827, 611, 81224, 30148, 656736, 549227, 2107874, 5995377, 57594133, 26019794, 304332748, 939501460, 4112640581, 2181624668

Basic calculations (n = 71978986)

Multiplication

n×y
n×2 143957972
n×3 215936958
n×4 287915944
n×5 359894930

Division

n÷y
n÷2 35989493
n÷3 23992995.333333
n÷3 17994746.5
n÷5 14395797.2

Exponentiation

ny
n2 5180974425588196
n3 3.7292128564577E+23
n4 2.6842495998599E+31
n5 1.9320956436882E+39

Nth Root

y√n
2√n 8484.0430220503
3√n 415.97628763385
4√n 92.108865056792
5√n 37.277016408503

Divisors of 71978986

1, 2, 17, 29, 34, 37, 58, 74, 493, 629, 986, 1073, 1258, 1973, 2146, 3946, 18241, 33541, 36482, 57217, 67082, 73001, 114434, 146002, 972689, 1241017, 1945378, 2117029, 2482034, 4234058, 35989493, 71978986

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71978985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71978986 can be divided by 32 positive divisors. The sum of these divisors (counting 71978986) is 1, the average is 0.03125.

Base conversion 71978986

Base System Value
2 Binary 100010010100100111111101010
3 Ternary 12000102220121101
4 Quaternary 10102210333222
5 Quinary 121411311421
6 Senary 11050432014
8 Octal 422447752
10 Decimal 71978986
12 Duodecimal 2013260a
16 Hexadecimal 44a4fea
20 Vigesimal 129h796
36 Base36 16urca

Cryptographic Hash Functions

md5 97bdec963abddf6ae4216a7aae2e212a
sha1 2520e9f4b97425628e2650b868454b295d07da58
sha256 2ec699173a5813219b45853e0b567bee55973c2b07bcca90790f62968ba7dcb3
sha512 ec7a2fecac87efc5862a6cd1bc6648e833d217caf2d9db015e6eb935a09b01f354363f4363a75494c5e1a9b0bdb6456cce8d9a8079404aecb4e00c63c53ace4b
ripemd-160 ac294b5d74b4bfe577f43df50168ccd9ef416ed8

71978986 as geometric shapes

Circle

Radius = n
Diameter 143957972
Circumference 452257307.26089
Area 1.6276511193864E+16

Sphere

Radius = n
Volume 1.5620890284694E+24
Surface area 6.5106044775458E+16
Circumference 452257307.26089

Square

Length = n
Perimeter 287915944
Area 5180974425588196
Diagonal 101793658.20706

Cube

Length = n
Surface area 31085846553529176
Volume 3.7292128564577E+23
Space diagonal 124671260.82929

Equilateral Triangle

Length = n
Perimeter 215936958
Area 2.2434277344584E+15
Altitude 62335630.414644

Triangular Pyramid

Length = n
Surface area 2.2434277344584E+15
Volume 4.3949194988155E+22
Height 33931219.402354