215688545 (number)

215688545 is an odd 9-digits composite number following 215688544 and preceding 215688546. In scientific notation, it is written as 2.15688545 × 10^8. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 165654720 positive integers (up to 215688545) that are relatively prime to 215688545.

Interesting facts

Basic properties

Name

Name two hundred fifteen million six hundred eighty-eight thousand five hundred forty-five

Notation

Scientific notation 2.15688545 × 10^8
Engineering notation 2.15688545 × 10^6

Prime Factorization of 215688545

Prime Factorization 5 × 31 × 127 × 10957

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 215688545
Product of the distinct prime numbers

The prime factorization of 215688545 is 5 × 31 × 127 × 10957. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 38, 58, 286, 781, 7045, 4335, 57184, 28990, 656902, 982745, 8414256, 7197725, 15089762, 53460751, 763843217, 827154397, 973524436, 8825502544

Basic calculations (n = 215688545)

Multiplication

n×y
n×2 431377090
n×3 647065635
n×4 862754180
n×5 1078442725

Division

n÷y
n÷2 107844272.5
n÷3 71896181.666667
n÷3 53922136.25
n÷5 43137709

Exponentiation

ny
n2 46521548444217025
n3 1.003416509508E+25
n4 2.1642544696476E+33
n5 4.6680489756804E+41

Nth Root

y√n
2√n 14686.338720049
3√n 599.71147702046
4√n 121.18720526544
5√n 46.42644353901

Divisors of 215688545

1, 5, 31, 127, 155, 635, 3937, 10957, 19685, 54785, 339667, 1391539, 1698335, 6957695, 43137709, 215688545

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 -215688544
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 215688545 can be divided by 16 positive divisors. The sum of these divisors (counting 215688545) is 1, the average is 0.0625.

Base conversion 215688545

Base System Value
2 Binary 1100110110110010010101100001
3 Ternary 120000212010001122
4 Quaternary 30312302111201
5 Quinary 420204013140
6 Senary 33222542025
8 Octal 1466622541
10 Decimal 215688545
12 Duodecimal 60297915
16 Hexadecimal cdb2561
20 Vigesimal 3781175
36 Base36 3keych

Cryptographic Hash Functions

md5 ca0b2431674ad933b7377a6d6510743e
sha1 7a2027ba69396a02226acc97b45cdf21e70e8e97
sha256 4a0de3aa6b80ccd82cde0bada8b3e84262e51d1b1593f92981500207e2cd434e
sha512 2fab5e2a1af64bb07e3f9fe0f035f50bdeed3349e38ee2bc8def8eeb0e0e073bce4c29384f950a4a7219f4986273fc3782017b07503a208e70372915856417ad
ripemd-160 4b5e7ecc0c42db30e130d2c0d2a1ce76a2f62b21

215688545 as geometric shapes

Circle

Radius = n
Diameter 431377090
Circumference 1355211096.8709
Area 1.4615175482597E+17

Sphere

Radius = n
Volume 4.2031012463481E+25
Surface area 5.846070193039E+17
Circumference 1355211096.8709

Square

Length = n
Perimeter 862754180
Area 46521548444217025
Diagonal 305029665.58752

Cube

Length = n
Surface area 279129290665302150
Volume 1.003416509508E+25
Space diagonal 373583518.55061

Equilateral Triangle

Length = n
Perimeter 647065635
Area 2.014442138804E+16
Altitude 186791759.2753

Triangular Pyramid

Length = n
Surface area 2.014442138804E+16
Volume 1.1825376970461E+24
Height 101676555.19584