71388949 (number)

71388949 is an odd 8-digits composite number following 71388948 and preceding 71388950. In scientific notation, it is written as 7.1388949 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 71371936 positive integers (up to 71388949) that are relatively prime to 71388949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1388949 × 10^7
Engineering notation 7.1388949 × 10^6

Prime Factorization of 71388949

Prime Factorization 9497 × 7517

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71388949
Product of the distinct prime numbers

The prime factorization of 71388949 is 9497 × 7517. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71388949)

Multiplication

n×y
n×2 142777898
n×3 214166847
n×4 285555796
n×5 356944745

Division

n÷y
n÷2 35694474.5
n÷3 23796316.333333
n÷3 17847237.25
n÷5 14277789.8

Exponentiation

ny
n2 5096382039324601
n3 3.6382535748986E+23
n4 2.597310989075E+31
n5 1.8541930173622E+39

Nth Root

y√n
2√n 8449.1981276332
3√n 414.8365330937
4√n 91.919519840093
5√n 37.215700470009

Divisors of 71388949

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 -71388948
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 71388949 can be divided by 4 positive divisors. The sum of these divisors (counting 71388949) is 1, the average is 0.25.

Base conversion 71388949

Base System Value
2 Binary 100010000010100111100010101
3 Ternary 11222022221020011
4 Quaternary 10100110330111
5 Quinary 121233421244
6 Senary 11030040221
8 Octal 420247425
10 Decimal 71388949
12 Duodecimal 1baa9071
16 Hexadecimal 4414f15
20 Vigesimal 1263c79
36 Base36 16i42d

Cryptographic Hash Functions

md5 53aab928b2801ae6f50fd351d71534cc
sha1 802c42068fde0b22d18e757032c6e6beb5f24eee
sha256 b946dbbab0a4c47b80d82c846e8f806cca8b7e14afd3e3d07fc0a5eac81b9c4c
sha512 909ea30a10e7857ce98f2584515756fe3cf7158bccc580614e5b3ad4c53cf076b70684f25d824271816ebcbe8c5dc9ad1cedc1c6bebea13be1011370a47aaa0d
ripemd-160 0f4fab969786f81c9241292316ba3253f2517c91

71388949 as geometric shapes

Circle

Radius = n
Diameter 142777898
Circumference 448549995.45179
Area 1.6010756374629E+16

Sphere

Radius = n
Volume 1.5239880937064E+24
Surface area 6.4043025498517E+16
Circumference 448549995.45179

Square

Length = n
Perimeter 285555796
Area 5096382039324601
Diagonal 100959219.87936

Cube

Length = n
Surface area 30578292235947606
Volume 3.6382535748986E+23
Space diagonal 123649286.76694

Equilateral Triangle

Length = n
Perimeter 214166847
Area 2.2067981567229E+15
Altitude 61824643.383472

Triangular Pyramid

Length = n
Surface area 2.2067981567229E+15
Volume 4.2877229574783E+22
Height 33653073.29312