61285280 (number)

61285280 is an even 8-digits composite number following 61285279 and preceding 61285281. In scientific notation, it is written as 6.1285280 × 10^7. The sum of its digits is 32. It has a total of 9 prime factors and 72 positive divisors. There are 21009408 positive integers (up to 61285280) that are relatively prime to 61285280.

Interesting facts

Basic properties

Name

Name sixty-one million two hundred eighty-five thousand two hundred eighty

Notation

Scientific notation 6.1285280 × 10^7
Engineering notation 6.1285280 × 10^6

Prime Factorization of 61285280

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 5 × 7 × 7817

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 547190
Product of the distinct prime numbers

The prime factorization of 61285280 is 2 × 2 × 2 × 2 × 2 × 7 × 5 × 7 × 7817. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61285280)

Multiplication

n×y
n×2 122570560
n×3 183855840
n×4 245141120
n×5 306426400

Division

n÷y
n÷2 30642640
n÷3 20428426.666667
n÷3 15321320
n÷5 12257056

Exponentiation

ny
n2 3755885544678400
n3 2.3018049725357E+23
n4 1.4106676224724E+31
n5 8.6453160230156E+38

Nth Root

y√n
2√n 7828.4915532943
3√n 394.26242748618
4√n 88.47876328981
5√n 36.097010429161

Divisors of 61285280

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61285279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61285280 can be divided by 72 positive divisors. The sum of these divisors (counting 61285280) is 1, the average is 0.013888888888889.

Base conversion 61285280

Base System Value
2 Binary 11101001110010001110100000
3 Ternary 11021022121121012
4 Quaternary 3221302032200
5 Quinary 111142112110
6 Senary 10025320052
8 Octal 351621640
10 Decimal 61285280
12 Duodecimal 18636028
16 Hexadecimal 3a723a0
20 Vigesimal j30d40
36 Base36 10hk0w

Cryptographic Hash Functions

md5 b98450c38e58cb50e1ad55623da7bbbe
sha1 58630f68f8f026fb43a552b003f285a4fabf1ace
sha256 43ddb3ae36b2a0b65356ec94614a94f1d73461c42d568172ba8305ac51f6336d
sha512 c05a31083712cd4ab80b4ae81e6f0ccb9c037550d64ed38b3b62018e70a07ce64098772cad09bc6db5d8f0caea0f20a198368d03528a8cf3d9ee9bc71353b8cf
ripemd-160 08af97a4d1ed7b0ba874bd31346999fbbc27d71d

61285280 as geometric shapes

Circle

Radius = n
Diameter 122570560
Circumference 385066770.84239
Area 1.1799462434886E+16

Sphere

Radius = n
Volume 9.6417781222861E+23
Surface area 4.7197849739543E+16
Circumference 385066770.84239

Square

Length = n
Perimeter 245141120
Area 3755885544678400
Diagonal 86670474.149833

Cube

Length = n
Surface area 22535313268070400
Volume 2.3018049725357E+23
Space diagonal 106149218.71608

Equilateral Triangle

Length = n
Perimeter 183855840
Area 1.6263461476991E+15
Altitude 53074609.358042

Triangular Pyramid

Length = n
Surface area 1.6263461476991E+15
Volume 2.7127031750815E+22
Height 28890158.049944