215650981 (number)

215650981 is an odd 9-digits composite number following 215650980 and preceding 215650982. In scientific notation, it is written as 2.15650981 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 170624880 positive integers (up to 215650981) that are relatively prime to 215650981.

Interesting facts

Basic properties

Name

Name two hundred fifteen million six hundred fifty thousand nine hundred eighty-one

Notation

Scientific notation 2.15650981 × 10^8
Engineering notation 2.15650981 × 10^6

Prime Factorization of 215650981

Prime Factorization 13 × 7 × 2369791

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 215650981
Product of the distinct prime numbers

The prime factorization of 215650981 is 13 × 7 × 2369791. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 59, 41, 241, 132, 8369, 7290, 76398, 52440, 745396, 241642, 5525192, 1255521, 4655986, 10670457, 29770688, 777025335, 5388409301, 3447556847

Basic calculations (n = 215650981)

Multiplication

n×y
n×2 431301962
n×3 646952943
n×4 862603924
n×5 1078254905

Division

n÷y
n÷2 107825490.5
n÷3 71883660.333333
n÷3 53912745.25
n÷5 43130196.2

Exponentiation

ny
n2 46505345606262361
n3 1.0028923401735E+25
n4 2.1627471699579E+33
n5 4.663985488564E+41

Nth Root

y√n
2√n 14685.059788779
3√n 599.67666004268
4√n 121.18192847442
5√n 46.42482631411

Divisors of 215650981

1, 7, 13, 91, 2369791, 16588537, 30807283, 215650981

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 -215650980
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 215650981 can be divided by 8 positive divisors. The sum of these divisors (counting 215650981) is 1, the average is 0.125.

Base conversion 215650981

Base System Value
2 Binary 1100110110101001001010100101
3 Ternary 120000210012112101
4 Quaternary 30312221022211
5 Quinary 420201312411
6 Senary 33222052101
8 Octal 1466511245
10 Decimal 215650981
12 Duodecimal 6027a031
16 Hexadecimal cda92a5
20 Vigesimal 377g791
36 Base36 3ke5d1

Cryptographic Hash Functions

md5 fac5deeebbfaf8f4df57c16c0ad18bf3
sha1 7a0633d9dbcb3396070f01c88e61d6de9095770a
sha256 23de81da7c32a9f1c4469e19b26cb353f7f94ffd635e349bd1f46f243483139d
sha512 b9e6cb57d7e547cdee7193cff4b61dfbebee2306c89a182b566431ad6d3f726dd2202c70cfc22eb4bb88a2dafe57dbdd49a08c4932b2d62d51492179083c89ae
ripemd-160 45ec808f1860579d8084da420379511f8dfa854d

215650981 as geometric shapes

Circle

Radius = n
Diameter 431301962
Circumference 1354975075.2981
Area 1.4610085210929E+17

Sphere

Radius = n
Volume 4.2009056109739E+25
Surface area 5.8440340843715E+17
Circumference 1354975075.2981

Square

Length = n
Perimeter 862603924
Area 46505345606262361
Diagonal 304976542.06926

Cube

Length = n
Surface area 279032073637574166
Volume 1.0028923401735E+25
Space diagonal 373518455.79407

Equilateral Triangle

Length = n
Perimeter 646952943
Area 2.0137405353399E+16
Altitude 186759227.89704

Triangular Pyramid

Length = n
Surface area 2.0137405353399E+16
Volume 1.1819199575612E+24
Height 101658847.35642