21977887 (number)

21977887 is an odd 8-digits composite number following 21977886 and preceding 21977888. In scientific notation, it is written as 2.1977887 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 21968496 positive integers (up to 21977887) that are relatively prime to 21977887.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred seventy-seven thousand eight hundred eighty-seven

Notation

Scientific notation 2.1977887 × 10^7
Engineering notation 2.1977887 × 10^6

Prime Factorization of 21977887

Prime Factorization 4423 × 4969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21977887
Product of the distinct prime numbers

The prime factorization of 21977887 is 4423 × 4969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 40, 94, 394, 836, 2039, 629, 73549, 70068, 810494, 912576, 323617, 3681005, 67733794, 89833821, 746859544, 492563908, 7040671134, 2908088017

Basic calculations (n = 21977887)

Multiplication

n×y
n×2 43955774
n×3 65933661
n×4 87911548
n×5 109889435

Division

n÷y
n÷2 10988943.5
n÷3 7325962.3333333
n÷3 5494471.75
n÷5 4395577.4

Exponentiation

ny
n2 483027516984769
n3 1.0615924186182E+22
n4 2.3331558216447E+29
n5 5.12778350015E+36

Nth Root

y√n
2√n 4688.0579134648
3√n 280.11002053942
4√n 68.469393990781
5√n 29.403375300493

Divisors of 21977887

1, 4423, 4969, 21977887

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 -21977886
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 21977887 can be divided by 4 positive divisors. The sum of these divisors (counting 21977887) is 1, the average is 0.25.

Base conversion 21977887

Base System Value
2 Binary 1010011110101101100011111
3 Ternary 1112100120222211
4 Quaternary 1103311230133
5 Quinary 21111243022
6 Senary 2103021251
8 Octal 123655437
10 Decimal 21977887
12 Duodecimal 743a827
16 Hexadecimal 14f5b1f
20 Vigesimal 6h74e7
36 Base36 d328v

Cryptographic Hash Functions

md5 3e61767e0a3351eb67f0f480a3cf710b
sha1 18b578891c98cb79d325d10ddf4e920882a10cff
sha256 bdcc24dea7b6c9318a4a2acb22be862010d4803f897101e2f6958c7dee6d9b49
sha512 e3ad18d0f5a299e5a50f60b9803c1e28270c8bcb444d3d566d75ceabb3c50728707b297fbf578cab8a03c9ee2bd6f613de0ba4a0ee9931e4bcdc14a3c28fecf1
ripemd-160 ecb5ea7973104adbfd56d36ba843c450a73e9a16

21977887 as geometric shapes

Circle

Radius = n
Diameter 43955774
Circumference 138091136.68125
Area 1.5174756988411E+15

Sphere

Radius = n
Volume 4.4467879245833E+22
Surface area 6.0699027953643E+15
Circumference 138091136.68125

Square

Length = n
Perimeter 87911548
Area 483027516984769
Diagonal 31081425.867703

Cube

Length = n
Surface area 2898165101908614
Volume 1.0615924186182E+22
Space diagonal 38066816.927008

Equilateral Triangle

Length = n
Perimeter 65933661
Area 2.0915705021786E+14
Altitude 19033408.463504

Triangular Pyramid

Length = n
Surface area 2.0915705021786E+14
Volume 1.2510986634352E+21
Height 10360475.289234