215331381 (number)

215331381 is an odd 9-digits composite number following 215331380 and preceding 215331382. In scientific notation, it is written as 2.15331381 × 10^8. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 142457640 positive integers (up to 215331381) that are relatively prime to 215331381.

Interesting facts

Basic properties

Name

Name two hundred fifteen million three hundred thirty-one thousand three hundred eighty-one

Notation

Scientific notation 2.15331381 × 10^8
Engineering notation 2.15331381 × 10^6

Prime Factorization of 215331381

Prime Factorization 3 × 3 × 131 × 182639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71777127
Product of the distinct prime numbers

The prime factorization of 215331381 is 3 × 3 × 131 × 182639. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 84, 15, 243, 891, 1816, 3606, 96704, 61902, 237076, 232550, 2581638, 9564565, 5600996, 77426681, 17007004, 906928050, 7193851089, 1667525102

Basic calculations (n = 215331381)

Multiplication

n×y
n×2 430662762
n×3 645994143
n×4 861325524
n×5 1076656905

Division

n÷y
n÷2 107665690.5
n÷3 71777127
n÷3 53832845.25
n÷5 43066276.2

Exponentiation

ny
n2 46367603643367161
n3 9.9844001261869E+24
n4 2.1499546676284E+33
n5 4.6295270766782E+41

Nth Root

y√n
2√n 14674.173946086
3√n 599.38026844171
4√n 121.13700485849
5√n 46.411057605068

Divisors of 215331381

1, 3, 9, 131, 393, 1179, 182639, 547917, 1643751, 23925709, 71777127, 215331381

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -215331380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 215331381 can be divided by 12 positive divisors. The sum of these divisors (counting 215331381) is 1, the average is 0.083333333333333.

Base conversion 215331381

Base System Value
2 Binary 1100110101011011001000110101
3 Ternary 120000011222010100
4 Quaternary 30311123020311
5 Quinary 420111101011
6 Senary 33211144313
8 Octal 1465331065
10 Decimal 215331381
12 Duodecimal 60145099
16 Hexadecimal cd5b235
20 Vigesimal 375g891
36 Base36 3k7ar9

Cryptographic Hash Functions

md5 aff8753a2ba84467fed7977aa2949f20
sha1 9d6ff073f5a0af018557e21cbe8f9bd86b9ce5b5
sha256 1b1754ff78022002feb599781686ae3ea98075e9895a0489e79a62807f23b1a2
sha512 fc5ea14a10d8f509b6c445abef2206cc7b4c862d8fcaf4e1c34bd7be888a2c7f7853ef9dbc68cf7b9087146acab95bf1e3f483e59bd10d8a28ec37e93462bd06
ripemd-160 c5dd50149a11de8120465d9ab42feb053ff8b411

215331381 as geometric shapes

Circle

Radius = n
Diameter 430662762
Circumference 1352966969.2739
Area 1.4566812297057E+17

Sphere

Radius = n
Volume 4.182255744924E+25
Surface area 5.8267249188226E+17
Circumference 1352966969.2739

Square

Length = n
Perimeter 861325524
Area 46367603643367161
Diagonal 304524559.41473

Cube

Length = n
Surface area 278205621860202966
Volume 9.9844001261869E+24
Space diagonal 372964892.35597

Equilateral Triangle

Length = n
Perimeter 645994143
Area 2.0077761333882E+16
Altitude 186482446.17799

Triangular Pyramid

Length = n
Surface area 2.0077761333882E+16
Volume 1.1766728392178E+24
Height 101508186.47158