61538081 (number)

61538081 is an odd 8-digits composite number following 61538080 and preceding 61538082. In scientific notation, it is written as 6.1538081 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 55026000 positive integers (up to 61538081) that are relatively prime to 61538081.

Interesting facts

Basic properties

Name

Name sixty-one million five hundred thirty-eight thousand eighty-one

Notation

Scientific notation 6.1538081 × 10^7
Engineering notation 6.1538081 × 10^6

Prime Factorization of 61538081

Prime Factorization 11 × 61 × 91711

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 61538081
Product of the distinct prime numbers

The prime factorization of 61538081 is 11 × 61 × 91711. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 45, 82, 807, 207, 972, 2930, 96500, 15450, 872276, 857630, 3022718, 5688479, 35757655, 7329605, 145513226, 57329568, 4665709776, 4768624183

Basic calculations (n = 61538081)

Multiplication

n×y
n×2 123076162
n×3 184614243
n×4 246152324
n×5 307690405

Division

n÷y
n÷2 30769040.5
n÷3 20512693.666667
n÷3 15384520.25
n÷5 12307616.2

Exponentiation

ny
n2 3786935413162561
n3 2.3304073819697E+23
n4 1.4340879823465E+31
n5 8.8251022418764E+38

Nth Root

y√n
2√n 7844.6211508269
3√n 394.80379295704
4√n 88.569865929823
5√n 36.126741355392

Divisors of 61538081

1, 11, 61, 671, 91711, 1008821, 5594371, 61538081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61538080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61538081 can be divided by 8 positive divisors. The sum of these divisors (counting 61538081) is 1, the average is 0.125.

Base conversion 61538081

Base System Value
2 Binary 11101010101111111100100001
3 Ternary 11021210110101012
4 Quaternary 3222233330201
5 Quinary 111223204311
6 Senary 10034550305
8 Octal 352577441
10 Decimal 61538081
12 Duodecimal 18738395
16 Hexadecimal 3aaff21
20 Vigesimal j4c541
36 Base36 10mz35

Cryptographic Hash Functions

md5 1f936ba592908aee24e15254f4d454a6
sha1 1efc81b6caa78a57e010f7b051b15d2bb964d6eb
sha256 c2d5feed50411a1a1769091507956fc5a9fb16e5a19e7b5ee0d5fd39410a5f20
sha512 60daff9c053e1aed13bd3c42a11fe6a0350f7059c423e0801cd9463c98194d3cac3e59875aeefe6a0f8212dfff82a25002d185d585bbacc246e6b337382f7e86
ripemd-160 909baa1616c8917314fb5b8467dd424cf476fa09

61538081 as geometric shapes

Circle

Radius = n
Diameter 123076162
Circumference 386655166.37123
Area 1.1897008473611E+16

Sphere

Radius = n
Volume 9.7615876147564E+23
Surface area 4.7588033894442E+16
Circumference 386655166.37123

Square

Length = n
Perimeter 246152324
Area 3786935413162561
Diagonal 87027988.752614

Cube

Length = n
Surface area 22721612478975366
Volume 2.3304073819697E+23
Space diagonal 106587082.89229

Equilateral Triangle

Length = n
Perimeter 184614243
Area 1.6397911351448E+15
Altitude 53293541.446144

Triangular Pyramid

Length = n
Surface area 1.6397911351448E+15
Volume 2.7464114378632E+22
Height 29009329.584205