71487890 (number)

71487890 is an even 8-digits composite number following 71487889 and preceding 71487891. In scientific notation, it is written as 7.1487890 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 26567424 positive integers (up to 71487890) that are relatively prime to 71487890.

Interesting facts

Basic properties

Name

Name seventy-one million four hundred eighty-seven thousand eight hundred ninety

Notation

Scientific notation 7.1487890 × 10^7
Engineering notation 7.1487890 × 10^6

Prime Factorization of 71487890

Prime Factorization 2 × 395 × 17 × 5323

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71487890
Product of the distinct prime numbers

The prime factorization of 71487890 is 2 × 395 × 17 × 5323. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 52, 18, 389, 912, 2448, 8716, 15154, 99422, 848160, 213249, 1632907, 1008218, 27304841, 83093286, 859481119, 428044082, 9664288559, 7329266815

Basic calculations (n = 71487890)

Multiplication

n×y
n×2 142975780
n×3 214463670
n×4 285951560
n×5 357439450

Division

n÷y
n÷2 35743945
n÷3 23829296.666667
n÷3 17871972.5
n÷5 14297578

Exponentiation

ny
n2 5110518416652100
n3 3.653401784126E+23
n4 2.611739848694E+31
n5 1.8670777101206E+39

Nth Root

y√n
2√n 8455.0511530091
3√n 415.02809119375
4√n 91.95135209995
5√n 37.226010522372

Divisors of 71487890

1, 2, 17, 34, 395, 790, 5323, 6715, 10646, 13430, 90491, 180982, 2102585, 4205170, 35743945, 71487890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71487889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71487890 can be divided by 16 positive divisors. The sum of these divisors (counting 71487890) is 1, the average is 0.0625.

Base conversion 71487890

Base System Value
2 Binary 100010000101101000110010010
3 Ternary 11222111221221122
4 Quaternary 10100231012102
5 Quinary 121300103030
6 Senary 11032122242
8 Octal 420550622
10 Decimal 71487890
12 Duodecimal 1bb36382
16 Hexadecimal 442d192
20 Vigesimal 126fjea
36 Base36 16k8eq

Cryptographic Hash Functions

md5 85b0ecf1220a08ad7d31ea58db80b919
sha1 9550309f08a7f84255919b92f46119c5cb216af0
sha256 486a36533629af77e90a836c0ebfcf63dfc4b86803ac9b4a5c4f24f2d4386593
sha512 094bab4d4bfadd4562934396afcfe2d8a262fb9ab6c95bd3c659c9d296070e0affe203565c5d606bef7eb123ad6ea190f699d3741c4a612c8351cf10473c48a3
ripemd-160 4705c8df7b14e462b1489a3d7531e93824435cb1

71487890 as geometric shapes

Circle

Radius = n
Diameter 142975780
Circumference 449171660.08927
Area 1.605516711379E+16

Sphere

Radius = n
Volume 1.5303333607496E+24
Surface area 6.4220668455158E+16
Circumference 449171660.08927

Square

Length = n
Perimeter 285951560
Area 5110518416652100
Diagonal 101099143.58344

Cube

Length = n
Surface area 30663110499912600
Volume 3.653401784126E+23
Space diagonal 123820657.6059

Equilateral Triangle

Length = n
Perimeter 214463670
Area 2.2129193876645E+15
Altitude 61910328.802948

Triangular Pyramid

Length = n
Surface area 2.2129193876645E+15
Volume 4.3055752932575E+22
Height 33699714.527812