215688972 (number)

215688972 is an even 9-digits composite number following 215688971 and preceding 215688973. In scientific notation, it is written as 2.15688972 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors. There are 71896320 positive integers (up to 215688972) that are relatively prime to 215688972.

Interesting facts

Basic properties

Name

Name two hundred fifteen million six hundred eighty-eight thousand nine hundred seventy-two

Notation

Scientific notation 2.15688972 × 10^8
Engineering notation 2.15688972 × 10^6

Prime Factorization of 215688972

Prime Factorization 2 × 2 × 3 × 17974081

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 107844486
Product of the distinct prime numbers

The prime factorization of 215688972 is 2 × 2 × 3 × 17974081. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 85, 90, 47, 383, 866, 1085, 55998, 6217, 873806, 566055, 5432970, 1514458, 73917013, 67502377, 956715120, 998314471, 8685499794, 269529803

Basic calculations (n = 215688972)

Multiplication

n×y
n×2 431377944
n×3 647066916
n×4 862755888
n×5 1078444860

Division

n÷y
n÷2 107844486
n÷3 71896324
n÷3 53922243
n÷5 43137794.4

Exponentiation

ny
n2 46521732642416784
n3 1.0034224689302E+25
n4 2.1642716080525E+33
n5 4.6680951826963E+41

Nth Root

y√n
2√n 14686.353257361
3√n 599.71187277109
4√n 121.18726524417
5√n 46.426461921141

Divisors of 215688972

1, 2, 3, 4, 6, 12, 17974081, 35948162, 53922243, 71896324, 107844486, 215688972

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 -215688971
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 215688972 can be divided by 12 positive divisors. The sum of these divisors (counting 215688972) is 1, the average is 0.083333333333333.

Base conversion 215688972

Base System Value
2 Binary 1100110110110010011100001100
3 Ternary 120000212010122110
4 Quaternary 30312302130030
5 Quinary 420204021342
6 Senary 33222544020
8 Octal 1466623414
10 Decimal 215688972
12 Duodecimal 60298010
16 Hexadecimal cdb270c
20 Vigesimal 378128c
36 Base36 3keyoc

Cryptographic Hash Functions

md5 c2c4109a2f5ac3b94b049c78d4a7e337
sha1 2fefc4112c7248644cca21a0cb8764873a6f8786
sha256 e47a3aa1c314ad29f2cb39384d3e2c417969dd4e8817dac266d49e37f61a445f
sha512 a76bf55a6e5e512d1d1c60c5fcaa855f4c0ca44c7491276457e6eb25b81845dd948fbfef1c1faf92c69df4d20ca60a931ee0be78fe3aeccff2a04c8bf974d24b
ripemd-160 b9a2b5c1751d7f8dc6de24f826e6a6475c1a277b

215688972 as geometric shapes

Circle

Radius = n
Diameter 431377944
Circumference 1355213779.7911
Area 1.4615233350169E+17

Sphere

Radius = n
Volume 4.2031262091173E+25
Surface area 5.8460933400674E+17
Circumference 1355213779.7911

Square

Length = n
Perimeter 862755888
Area 46521732642416784
Diagonal 305030269.45671

Cube

Length = n
Surface area 279130395854500704
Volume 1.0034224689302E+25
Space diagonal 373584258.1363

Equilateral Triangle

Length = n
Perimeter 647066916
Area 2.01445011482E+16
Altitude 186792129.06815

Triangular Pyramid

Length = n
Surface area 2.01445011482E+16
Volume 1.1825447202925E+24
Height 101676756.48557