215533981 (number)

215533981 is an odd 9-digits composite number following 215533980 and preceding 215533982. In scientific notation, it is written as 2.15533981 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 198954288 positive integers (up to 215533981) that are relatively prime to 215533981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.15533981 × 10^8
Engineering notation 2.15533981 × 10^6

Prime Factorization of 215533981

Prime Factorization 169 × 1275349

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 215533981
Product of the distinct prime numbers

The prime factorization of 215533981 is 169 × 1275349. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 36, 24, 257, 909, 6418, 9010, 11045, 44663, 148590, 149601, 4355586, 2955287, 95840759, 67307801, 907001212, 635430762, 6500213743, 7641877442

Basic calculations (n = 215533981)

Multiplication

n×y
n×2 431067962
n×3 646601943
n×4 862135924
n×5 1077669905

Division

n÷y
n÷2 107766990.5
n÷3 71844660.333333
n÷3 53883495.25
n÷5 43106796.2

Exponentiation

ny
n2 46454896965708361
n3 1.0012608879964E+25
n4 2.1580574520946E+33
n5 4.6513471387666E+41

Nth Root

y√n
2√n 14681.075607734
3√n 599.56819023435
4√n 121.1654885177
5√n 46.419787724615

Divisors of 215533981

1, 169, 1275349, 215533981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -215533980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 215533981 can be divided by 4 positive divisors. The sum of these divisors (counting 215533981) is 1, the average is 0.25.

Base conversion 215533981

Base System Value
2 Binary 1100110110001100100110011101
3 Ternary 120000120021001001
4 Quaternary 30312030212131
5 Quinary 420134041411
6 Senary 33215350301
8 Octal 1466144635
10 Decimal 215533981
12 Duodecimal 60222391
16 Hexadecimal cd8c99d
20 Vigesimal 3771ej1
36 Base36 3kbn31

Cryptographic Hash Functions

md5 bfc29c9f2c15116406574ff60883e503
sha1 9ad3403d7fbcadf665393c1c98603b21be6789bc
sha256 1d33292a9a72598c24ae2e2eb1c9815d8c91e895c5f40586a515d6fc68150629
sha512 e718bb0faef57d30999a7997b2797f9e956f1c81d8991333e4bb56b150fc24cc33c8fe3a214c6b23199d07aa1edffdd1bd671b194fc6b53a852ccdef5ba2253a
ripemd-160 16fe5c2e4b7a04aa7bfaec3deea700d36805fee1

215533981 as geometric shapes

Circle

Radius = n
Diameter 431067962
Circumference 1354239942.6171
Area 1.4594236303074E+17

Sphere

Radius = n
Volume 4.194071800075E+25
Surface area 5.8376945212296E+17
Circumference 1354239942.6171

Square

Length = n
Perimeter 862135924
Area 46454896965708361
Diagonal 304811079.08246

Cube

Length = n
Surface area 278729381794250166
Volume 1.0012608879964E+25
Space diagonal 373315805.84959

Equilateral Triangle

Length = n
Perimeter 646601943
Area 2.0115560451246E+16
Altitude 186657902.92479

Triangular Pyramid

Length = n
Surface area 2.0115560451246E+16
Volume 1.1799972727319E+24
Height 101603693.02749