247942905 (number)

247942905 is an odd 9-digits composite number following 247942904 and preceding 247942906. In scientific notation, it is written as 2.47942905 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 112336896 positive integers (up to 247942905) that are relatively prime to 247942905.

Interesting facts

Basic properties

Name

Name two hundred forty-seven million nine hundred forty-two thousand nine hundred five

Notation

Scientific notation 2.47942905 × 10^8
Engineering notation 2.47942905 × 10^6

Prime Factorization of 247942905

Prime Factorization 5 × 21 × 113 × 20897

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 247942905
Product of the distinct prime numbers

The prime factorization of 247942905 is 5 × 21 × 113 × 20897. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 18, 58, 9, 751, 5063, 4183, 76910, 51353, 322370, 423827, 28526, 1543028, 37148139, 87623960, 766607817, 471429179, 439111987, 6127087697

Basic calculations (n = 247942905)

Multiplication

n×y
n×2 495885810
n×3 743828715
n×4 991771620
n×5 1239714525

Division

n÷y
n÷2 123971452.5
n÷3 82647635
n÷3 61985726.25
n÷5 49588581

Exponentiation

ny
n2 61475684139839025
n3 1.5242459712494E+25
n4 3.7792597404613E+33
n5 9.3704063879951E+41

Nth Root

y√n
2√n 15746.202875614
3√n 628.227912496
4√n 125.48387496254
5√n 47.73867238144

Divisors of 247942905

1, 5, 21, 105, 113, 565, 2373, 11865, 20897, 104485, 438837, 2194185, 2361361, 11806805, 49588581, 247942905

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 -247942904
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 247942905 can be divided by 16 positive divisors. The sum of these divisors (counting 247942905) is 1, the average is 0.0625.

Base conversion 247942905

Base System Value
2 Binary 1110110001110100111011111001
3 Ternary 122021112210201120
4 Quaternary 32301310323321
5 Quinary 1001433133110
6 Senary 40334135453
8 Octal 1661647371
10 Decimal 247942905
12 Duodecimal 6b051589
16 Hexadecimal ec74ef9
20 Vigesimal 3h9ch55
36 Base36 43m9yx

Cryptographic Hash Functions

md5 83cda7a4bf9a8696ef4c5d43da1d6da5
sha1 c80302327dfe2cf40c05c29d6ed8837e44de5520
sha256 1051805a31777ccbbd52e2aae63da3199c8833c97652e47accb3d3f30f00ddc9
sha512 12902183f38503a13d42ee0022d8f97cf7640aadb20067364c9c947443a2baa4c22dd8eacd5e420465ca1d5b23fbd52b50c1a274ca34f389c4722b81afc1cb52
ripemd-160 bd974a0a9cca73c20624b91c12f841b0afe1225e

247942905 as geometric shapes

Circle

Radius = n
Diameter 495885810
Circumference 1557871217.7154
Area 1.9313155766812E+17

Sphere

Radius = n
Volume 6.3847465940547E+25
Surface area 7.725262306725E+17
Circumference 1557871217.7154

Square

Length = n
Perimeter 991771620
Area 61475684139839025
Diagonal 350644218.94518

Cube

Length = n
Surface area 368854104839034150
Volume 1.5242459712494E+25
Space diagonal 429449708.83622

Equilateral Triangle

Length = n
Perimeter 743828715
Area 2.6619752090064E+16
Altitude 214724854.41811

Triangular Pyramid

Length = n
Surface area 2.6619752090064E+16
Volume 1.7963411041112E+24
Height 116881406.31506