20993988 (number)

20993988 is an even 8-digits composite number following 20993987 and preceding 20993989. In scientific notation, it is written as 2.0993988 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors. There are 6997992 positive integers (up to 20993988) that are relatively prime to 20993988.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-three thousand nine hundred eighty-eight

Notation

Scientific notation 2.0993988 × 10^7
Engineering notation 2.0993988 × 10^6

Prime Factorization of 20993988

Prime Factorization 2 × 2 × 3 × 1749499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10496994
Product of the distinct prime numbers

The prime factorization of 20993988 is 2 × 2 × 3 × 1749499. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 44, 60, 840, 921, 7498, 6702, 12564, 6155, 974550, 609177, 2246362, 2805744, 56703259, 34782096, 41918834, 887284743, 7168597436, 4869864091

Basic calculations (n = 20993988)

Multiplication

n×y
n×2 41987976
n×3 62981964
n×4 83975952
n×5 104969940

Division

n÷y
n÷2 10496994
n÷3 6997996
n÷3 5248497
n÷5 4198797.6

Exponentiation

ny
n2 440747532144144
n3 9.2530484008638E+21
n4 1.9425838709115E+29
n5 4.078258247491E+36

Nth Root

y√n
2√n 4581.9196850229
3√n 275.86608710598
4√n 67.689878748768
5√n 29.135266097059

Divisors of 20993988

1, 2, 3, 4, 6, 12, 1749499, 3498998, 5248497, 6997996, 10496994, 20993988

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 -20993987
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 20993988 can be divided by 12 positive divisors. The sum of these divisors (counting 20993988) is 1, the average is 0.083333333333333.

Base conversion 20993988

Base System Value
2 Binary 1010000000101011111000100
3 Ternary 1110111121100010
4 Quaternary 1100011133010
5 Quinary 20333301423
6 Senary 2025550220
8 Octal 120053704
10 Decimal 20993988
12 Duodecimal 7045370
16 Hexadecimal 14057c4
20 Vigesimal 6b44j8
36 Base36 chz2c

Cryptographic Hash Functions

md5 055c831c4ccdcfcf56f5710024baa918
sha1 fb23318cc9c07e55fbb0dbc05d99ad7ac712ea14
sha256 cead0b47664f553b57fbf67b0a6aeaad6d1aa29a71bb126bc8c201be993794cb
sha512 abb84dc10a3e6b068b8676a1f83b5a56e8e9153b9d2db12e222e2d136d3c0aa17e6872c9c9f29f6d6ed5d1d723381533129dbe28c68b471e61a48eda301f82a6
ripemd-160 f633b01ecdf1bfaec3a6842a4800022f547ed305

20993988 as geometric shapes

Circle

Radius = n
Diameter 41987976
Circumference 131909116.9407
Area 1.3846492090719E+15

Sphere

Radius = n
Volume 3.8759078505953E+22
Surface area 5.5385968362875E+15
Circumference 131909116.9407

Square

Length = n
Perimeter 83975952
Area 440747532144144
Diagonal 29689982.557898

Cube

Length = n
Surface area 2644485192864864
Volume 9.2530484008638E+21
Space diagonal 36362653.869491

Equilateral Triangle

Length = n
Perimeter 62981964
Area 1.9084927974606E+14
Altitude 18181326.934746

Triangular Pyramid

Length = n
Surface area 1.9084927974606E+14
Volume 1.0904822118164E+21
Height 9896660.8526327