61686768 (number)

61686768 is an even 8-digits composite number following 61686767 and preceding 61686769. In scientific notation, it is written as 6.1686768 × 10^7. The sum of its digits is 48. It has a total of 8 prime factors and 80 positive divisors. There are 15966720 positive integers (up to 61686768) that are relatively prime to 61686768.

Interesting facts

Basic properties

Name

Name sixty-one million six hundred eighty-six thousand seven hundred sixty-eight

Notation

Scientific notation 6.1686768 × 10^7
Engineering notation 6.1686768 × 10^6

Prime Factorization of 61686768

Prime Factorization 2 × 2 × 2 × 2 × 33 × 143 × 19 × 43

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 7710846
Product of the distinct prime numbers

The prime factorization of 61686768 is 2 × 2 × 2 × 2 × 33 × 143 × 19 × 43. Since it has a total of 8 prime factors.

Most popular turbo-numbers

1, 2, 39, 42, 775, 15, 1979, 1373, 56711, 42601, 611446, 744813, 7513918, 9540374, 19474766, 41719945, 616504430, 542392119, 6710097591, 712680991

Basic calculations (n = 61686768)

Multiplication

n×y
n×2 123373536
n×3 185060304
n×4 246747072
n×5 308433840

Division

n÷y
n÷2 30843384
n÷3 20562256
n÷3 15421692
n÷5 12337353.6

Exponentiation

ny
n2 3805257346285824
n3 2.3473402710063E+23
n4 1.4479983471462E+31
n5 8.9322338104793E+38

Nth Root

y√n
2√n 7854.0924364308
3√n 395.12150937828
4√n 88.623317678988
5√n 36.144182239938

Divisors of 61686768

1, 2, 4, 8, 16, 19, 33, 38, 43, 66, 76, 86, 132, 143, 152, 172, 264, 286, 304, 344, 528, 572, 627, 688, 817, 1144, 1254, 1419, 1634, 2288, 2508, 2717, 2838, 3268, 4719, 5016, 5434, 5676, 6149, 6536, 9438, 10032, 10868, 11352, 12298, 13072, 18876, 21736, 22704, 24596, 26961, 37752, 43472, 49192, 53922, 75504, 89661, 98384, 107844, 116831, 179322, 202917, 215688, 233662, 358644, 405834, 431376, 467324, 717288, 811668, 934648, 1434576, 1623336, 1869296, 3246672, 3855423, 7710846, 15421692, 30843384, 61686768

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61686767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61686768 can be divided by 80 positive divisors. The sum of these divisors (counting 61686768) is 1, the average is 0.0125.

Base conversion 61686768

Base System Value
2 Binary 11101011010100001111110000
3 Ternary 11022002000100010
4 Quaternary 3223110033300
5 Quinary 111242434033
6 Senary 10042054520
8 Octal 353241760
10 Decimal 61686768
12 Duodecimal 187aa440
16 Hexadecimal 3ad43f0
20 Vigesimal j5agi8
36 Base36 10q5tc

Cryptographic Hash Functions

md5 de4bd61e381afb232163fccd66005f89
sha1 ffd00939da0da4c9af52b68155b13fb7bdba8381
sha256 5c6bd240241030d8d2bdfd37b0421d6f18b647a3cafdfeec955aec37e27876f8
sha512 0544b9e2a4e2b9a8a34aefcd79b7cb278d28ea9a178544f8490d67b78124c3bd7870879c8f09e4bcb72c0e7f98d6c285517671573a5ffcb18c29e320b88fc280
ripemd-160 5585184a074dcd55e96ae3c9c2936fbae0b9f782

61686768 as geometric shapes

Circle

Radius = n
Diameter 123373536
Circumference 387589394.345
Area 1.195456852411E+16

Sphere

Radius = n
Volume 9.8325159344918E+23
Surface area 4.7818274096441E+16
Circumference 387589394.345

Square

Length = n
Perimeter 246747072
Area 3805257346285824
Diagonal 87238263.924563

Cube

Length = n
Surface area 22831544077714944
Volume 2.3473402710063E+23
Space diagonal 106844616.33071

Equilateral Triangle

Length = n
Perimeter 185060304
Area 1.6477247649104E+15
Altitude 53422308.165357

Triangular Pyramid

Length = n
Surface area 1.6477247649104E+15
Volume 2.766367038968E+22
Height 29079421.308188