20991937 (number)

20991937 is an odd 8-digits prime number following 20991936 and preceding 20991938. In scientific notation, it is written as 2.0991937 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 20991936 positive integers (up to 20991937) that are relatively prime to 20991937.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-one thousand nine hundred thirty-seven

Notation

Scientific notation 2.0991937 × 10^7
Engineering notation 2.0991937 × 10^6

Prime Factorization of 20991937

Prime Factorization 20991937

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20991937
Product of the distinct prime numbers

The prime factorization of 20991937 is 20991937. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 4, 72, 78, 664, 926, 1040, 230, 55072, 72045, 469374, 79760, 3273418, 7407876, 57287908, 76968681, 227155261, 785663424, 6703516066, 7586340320

Basic calculations (n = 20991937)

Multiplication

n×y
n×2 41983874
n×3 62975811
n×4 83967748
n×5 104959685

Division

n÷y
n÷2 10495968.5
n÷3 6997312.3333333
n÷3 5247984.25
n÷5 4198387.4

Exponentiation

ny
n2 440661419011969
n3 9.2503367462299E+21
n4 1.9418248620564E+29
n5 4.0762665169322E+36

Nth Root

y√n
2√n 4581.6958650701
3√n 275.85710326783
4√n 67.688225453694
5√n 29.134696802973

Divisors of 20991937

1, 20991937

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20991938
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10495969
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4581.6959741999
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999047253
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20991937 can be divided by 2 positive divisors. The sum of these divisors (counting 20991937) is 20991938, the average is 10495969.

Base conversion 20991937

Base System Value
2 Binary 1010000000100111111000001
3 Ternary 1110111111112011
4 Quaternary 1100010333001
5 Quinary 20333220222
6 Senary 2025532521
8 Octal 120047701
10 Decimal 20991937
12 Duodecimal 7044141
16 Hexadecimal 1404fc1
20 Vigesimal 6b3jgh
36 Base36 chxhd

Cryptographic Hash Functions

md5 93e27fce37641478f52483c02af67272
sha1 240508f6403e64ca2b9a06f371095d82aaafbff5
sha256 b6e30fcaaef0231d59ae044aa9d97bf41c7c86337d9a81cab45eef49ea24d050
sha512 3c16a9787e93414639b6ad269be94f7e41b0bc3ac3b5fec76f59d277cfa184bf38db854718066742f4fc587bf877a8c8da933ca110dcc5526cf0cfb6c7088d89
ripemd-160 d1d733480232191bdd62eaac1e2ff660273e7f7f

20991937 as geometric shapes

Circle

Radius = n
Diameter 41983874
Circumference 131896230.12764
Area 1.3843786766885E+15

Sphere

Radius = n
Volume 3.8747719953583E+22
Surface area 5.5375147067538E+15
Circumference 131896230.12764

Square

Length = n
Perimeter 83967748
Area 440661419011969
Diagonal 29687082.005882

Cube

Length = n
Surface area 2643968514071814
Volume 9.2503367462299E+21
Space diagonal 36359101.433285

Equilateral Triangle

Length = n
Perimeter 62975811
Area 1.9081199166603E+14
Altitude 18179550.716642

Triangular Pyramid

Length = n
Surface area 1.9081199166603E+14
Volume 1.090162640253E+21
Height 9895694.0019605