215984985 (number)

215984985 is an odd 9-digits composite number following 215984984 and preceding 215984986. In scientific notation, it is written as 2.15984985 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 114847488 positive integers (up to 215984985) that are relatively prime to 215984985.

Interesting facts

Basic properties

Name

Name two hundred fifteen million nine hundred eighty-four thousand nine hundred eighty-five

Notation

Scientific notation 2.15984985 × 10^8
Engineering notation 2.15984985 × 10^6

Prime Factorization of 215984985

Prime Factorization 15 × 337 × 42727

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 215984985
Product of the distinct prime numbers

The prime factorization of 215984985 is 15 × 337 × 42727. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 215984985)

Multiplication

n×y
n×2 431969970
n×3 647954955
n×4 863939940
n×5 1079924925

Division

n÷y
n÷2 107992492.5
n÷3 71994995
n÷3 53996246.25
n÷5 43196997

Exponentiation

ny
n2 46649513745450225
n3 1.0075594526568E+25
n4 2.1761771326869E+33
n5 4.7002158536073E+41

Nth Root

y√n
2√n 14696.427627148
3√n 599.98609690006
4√n 121.22882341732
5√n 46.439198129253

Divisors of 215984985

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 -215984984
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 215984985 can be divided by 8 positive divisors. The sum of these divisors (counting 215984985) is 1, the average is 0.125.

Base conversion 215984985

Base System Value
2 Binary 1100110111111010101101011001
3 Ternary 120001102011200220
4 Quaternary 30313322231121
5 Quinary 420243004420
6 Senary 33233150253
8 Octal 1467725531
10 Decimal 215984985
12 Duodecimal 603bb389
16 Hexadecimal cdfab59
20 Vigesimal 379i295
36 Base36 3klb2x

Cryptographic Hash Functions

md5 6b91630d69a8cff803cf6da8440bc805
sha1 616631fb22e58f45a3b8687002ee84f3830a4e90
sha256 d81010b69a1ad8e4ab4a414cf27c5c2a5372d331a3f8f909a0baa23f48a5b7b4
sha512 a6e9ab7fa903ff0c34b30814a9d74620813786f33cbb76a00e1396fd361f9d4cf858c87f6252a47fb7ebecc2a1326e0d9bcb40b0fc336c6c177d813c62ce89d7
ripemd-160 874e05561078d51b00e67276bb989cd2b2df920d

215984985 as geometric shapes

Circle

Radius = n
Diameter 431969970
Circumference 1357073684.3234
Area 1.4655376967624E+17

Sphere

Radius = n
Volume 4.2204551660289E+25
Surface area 5.8621507870497E+17
Circumference 1357073684.3234

Square

Length = n
Perimeter 863939940
Area 46649513745450225
Diagonal 305448895.05595

Cube

Length = n
Surface area 279897082472701350
Volume 1.0075594526568E+25
Space diagonal 374096967.692

Equilateral Triangle

Length = n
Perimeter 647954955
Area 2.0199831988876E+16
Altitude 187048483.846

Triangular Pyramid

Length = n
Surface area 2.0199831988876E+16
Volume 1.1874202023704E+24
Height 101816298.35198