61686720 (number)

61686720 is an even 8-digits composite number following 61686719 and preceding 61686721. In scientific notation, it is written as 6.1686720 × 10^7. The sum of its digits is 36. It has a total of 10 prime factors and 84 positive divisors. There are 16449024 positive integers (up to 61686720) that are relatively prime to 61686720.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.1686720 × 10^7
Engineering notation 6.1686720 × 10^6

Prime Factorization of 61686720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 21419

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 642570
Product of the distinct prime numbers

The prime factorization of 61686720 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 21419. Since it has a total of 10 prime factors.

Most popular turbo-numbers

7, 1, 55, 41, 181, 251, 1647, 9116, 60050, 71770, 541210, 881164, 7648410, 8804529, 92546170, 77166611, 234247818, 816645105, 636376543, 5285358922

Basic calculations (n = 61686720)

Multiplication

n×y
n×2 123373440
n×3 185060160
n×4 246746880
n×5 308433600

Division

n÷y
n÷2 30843360
n÷3 20562240
n÷3 15421680
n÷5 12337344

Exponentiation

ny
n2 3805251424358400
n3 2.34733479144E+23
n4 1.4479938402582E+31
n5 8.932199058573E+38

Nth Root

y√n
2√n 7854.0893806984
3√n 395.12140689365
4√n 88.623300438984
5√n 36.144176615

Divisors of 61686720

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 21419, 42838, 64257, 85676, 107095, 128514, 171352, 192771, 214190, 257028, 321285, 342704, 385542, 428380, 514056, 642570, 685408, 771084, 856760, 963855, 1028112, 1285140, 1370816, 1542168, 1713520, 1927710, 2056224, 2570280, 3084336, 3427040, 3855420, 4112448, 5140560, 6168672, 6854080, 7710840, 10281120, 12337344, 15421680, 20562240, 30843360, 61686720

84 divisors

τ Total Divisors 84
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61686719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.011904761904762
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 84
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61686720 can be divided by 84 positive divisors. The sum of these divisors (counting 61686720) is 1, the average is 0.011904761904762.

Base conversion 61686720

Base System Value
2 Binary 11101011010100001111000000
3 Ternary 11022002000021100
4 Quaternary 3223110033000
5 Quinary 111242433340
6 Senary 10042054400
8 Octal 353241700
10 Decimal 61686720
12 Duodecimal 187aa400
16 Hexadecimal 3ad43c0
20 Vigesimal j5agg0
36 Base36 10q5s0

Cryptographic Hash Functions

md5 8e96376b523209df9636942bb6bb06f6
sha1 4c328e495ce2c13890bddcafdd0c066bc107a105
sha256 7d7b5e0ab09b4db1b8aa5f9740cfc3bf7d9303fd750249411c1d9c7a342fe0a0
sha512 91f2cd216523d480f41562ddbe6aabaa8ca36935eb070e80222c00183af3d70fed173707d4af2bd1d4902dcdbc3fb0dbb6094cbd17d8e1a5c0dc63dcd2dd596d
ripemd-160 a3dfc55986bc101b50eac96b760a60df013ef017

61686720 as geometric shapes

Circle

Radius = n
Diameter 123373440
Circumference 387589092.7521
Area 1.1954549919826E+16

Sphere

Radius = n
Volume 9.8324929817381E+23
Surface area 4.7818199679306E+16
Circumference 387589092.7521

Square

Length = n
Perimeter 246746880
Area 3805251424358400
Diagonal 87238196.042312

Cube

Length = n
Surface area 22831508546150400
Volume 2.34733479144E+23
Space diagonal 106844533.19228

Equilateral Triangle

Length = n
Perimeter 185060160
Area 1.6477222006406E+15
Altitude 53422266.596138

Triangular Pyramid

Length = n
Surface area 1.6477222006406E+15
Volume 2.7663605812372E+22
Height 29079398.680771