20797991 (number)

20797991 is an odd 8-digits composite number following 20797990 and preceding 20797992. In scientific notation, it is written as 2.0797991 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 20722632 positive integers (up to 20797991) that are relatively prime to 20797991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0797991 × 10^7
Engineering notation 2.0797991 × 10^6

Prime Factorization of 20797991

Prime Factorization 277 × 75083

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20797991
Product of the distinct prime numbers

The prime factorization of 20797991 is 277 × 75083. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 4, 79, 57, 307, 87, 6446, 7931, 91414, 18729, 459736, 635441, 4959138, 1035421, 31645759, 89539166, 954043185, 813174465, 6573166729, 5574255301

Basic calculations (n = 20797991)

Multiplication

n×y
n×2 41595982
n×3 62393973
n×4 83191964
n×5 103989955

Division

n÷y
n÷2 10398995.5
n÷3 6932663.6666667
n÷3 5199497.75
n÷5 4159598.2

Exponentiation

ny
n2 432556429636081
n3 8.9963047305633E+21
n4 1.8710506481951E+29
n5 3.8914094541707E+36

Nth Root

y√n
2√n 4560.4814438829
3√n 275.00491892028
4√n 67.531336754746
5√n 29.080661229382

Divisors of 20797991

1, 277, 75083, 20797991

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 -20797990
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 20797991 can be divided by 4 positive divisors. The sum of these divisors (counting 20797991) is 1, the average is 0.25.

Base conversion 20797991

Base System Value
2 Binary 1001111010101101000100111
3 Ternary 1110010122110222
4 Quaternary 1033111220213
5 Quinary 20311013431
6 Senary 2021434555
8 Octal 117255047
10 Decimal 20797991
12 Duodecimal 6b6ba5b
16 Hexadecimal 13d5a27
20 Vigesimal 69jejb
36 Base36 cdrtz

Cryptographic Hash Functions

md5 63dc76d0f341c510168b33e3802d1f63
sha1 062e889761b0863c63dfb6e47301aaf00f13e438
sha256 a2d6cdf4d4f77c3a4352dabf06ce1f7e8dc1878b2526a50794a1dbde3a33e9fd
sha512 1e32214b45b642cdb86924a672f5fcc3028bf487b02855dc72370251a47a70baca2f7d038ab0ce6ad7bcb8b233e2c6a569588dbe2f9fc908cfaae296bca22aed
ripemd-160 1644b1aebceeea5240822f2ccf391c20629c8c5e

20797991 as geometric shapes

Circle

Radius = n
Diameter 41595982
Circumference 130677631.47005
Area 1.3589161016077E+15

Sphere

Radius = n
Volume 3.7683633134657E+22
Surface area 5.435664406431E+15
Circumference 130677631.47005

Square

Length = n
Perimeter 83191964
Area 432556429636081
Diagonal 29412800.942314

Cube

Length = n
Surface area 2595338577816486
Volume 8.9963047305633E+21
Space diagonal 36023177.10736

Equilateral Triangle

Length = n
Perimeter 62393973
Area 1.8730242831757E+14
Altitude 18011588.55368

Triangular Pyramid

Length = n
Surface area 1.8730242831757E+14
Volume 1.0602246801003E+21
Height 9804266.9807712