215686920 (number)

215686920 is an even 9-digits composite number following 215686919 and preceding 215686921. In scientific notation, it is written as 2.15686920 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 55532288 positive integers (up to 215686920) that are relatively prime to 215686920.

Interesting facts

Basic properties

Name

Name two hundred fifteen million six hundred eighty-six thousand nine hundred twenty

Notation

Scientific notation 2.15686920 × 10^8
Engineering notation 2.15686920 × 10^6

Prime Factorization of 215686920

Prime Factorization 2 × 2 × 2 × 5 × 3 × 29 × 61979

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 53921730
Product of the distinct prime numbers

The prime factorization of 215686920 is 2 × 2 × 2 × 5 × 3 × 29 × 61979. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 2, 69, 46, 227, 257, 205, 3081, 78328, 79678, 360374, 404910, 6212192, 1069618, 79109289, 31754044, 243993406, 887943912, 7503292543, 9730821056

Basic calculations (n = 215686920)

Multiplication

n×y
n×2 431373840
n×3 647060760
n×4 862747680
n×5 1078434600

Division

n÷y
n÷2 107843460
n÷3 71895640
n÷3 53921730
n÷5 43137384

Exponentiation

ny
n2 46520847459086400
n3 1.003393830424E+25
n4 2.1641892483116E+33
n5 4.6678731326544E+41

Nth Root

y√n
2√n 14686.283396421
3√n 599.70997093894
4√n 121.18697700835
5√n 46.426373583326

Divisors of 215686920

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 61979, 123958, 185937, 247916, 309895, 371874, 495832, 619790, 743748, 929685, 1239580, 1487496, 1797391, 1859370, 2479160, 3594782, 3718740, 5392173, 7189564, 7437480, 8986955, 10784346, 14379128, 17973910, 21568692, 26960865, 35947820, 43137384, 53921730, 71895640, 107843460, 215686920

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -215686919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 215686920 can be divided by 64 positive divisors. The sum of these divisors (counting 215686920) is 1, the average is 0.015625.

Base conversion 215686920

Base System Value
2 Binary 1100110110110001111100001000
3 Ternary 120000212000211110
4 Quaternary 30312301330020
5 Quinary 420203440140
6 Senary 33222530320
8 Octal 1466617410
10 Decimal 215686920
12 Duodecimal 602969a0
16 Hexadecimal cdb1f08
20 Vigesimal 3780h60
36 Base36 3kex3c

Cryptographic Hash Functions

md5 8d978578fd61e2e0eb426fc60bda94e9
sha1 3cef15f45be88339747b751f373bc930e108639c
sha256 77e7f01d531148174e0b91501244f3365b8a5fffaf008a86f9ab3212b0bbeef4
sha512 d56e68a72eb76269bc468fe2c7a38665be48b1e65afb45c604b13a2d660ea7e901ab0f5f3f9ec632903e9eacc2af7b04594356ac6cf5f4a52c0348866827f793
ripemd-160 ad5efb516fa0edf0dc139786f88abd39fb851b05

215686920 as geometric shapes

Circle

Radius = n
Diameter 431373840
Circumference 1355200886.6948
Area 1.4614955261624E+17

Sphere

Radius = n
Volume 4.2030062484232E+25
Surface area 5.8459821046495E+17
Circumference 1355200886.6948

Square

Length = n
Perimeter 862747680
Area 46520847459086400
Diagonal 305027367.49048

Cube

Length = n
Surface area 279125084754518400
Volume 1.003393830424E+25
Space diagonal 373580703.96804

Equilateral Triangle

Length = n
Perimeter 647060760
Area 2.0144117852575E+16
Altitude 186790351.98402

Triangular Pyramid

Length = n
Surface area 2.0144117852575E+16
Volume 1.1825109694893E+24
Height 101675789.16349