20991012 (number)

20991012 is an even 8-digits composite number following 20991011 and preceding 20991013. In scientific notation, it is written as 2.0991012 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 72 positive divisors. There are 5785920 positive integers (up to 20991012) that are relatively prime to 20991012.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-one thousand twelve

Notation

Scientific notation 2.0991012 × 10^7
Engineering notation 2.0991012 × 10^6

Prime Factorization of 20991012

Prime Factorization 2 × 2 × 3 × 7 × 7 × 29 × 1231

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1499358
Product of the distinct prime numbers

The prime factorization of 20991012 is 2 × 2 × 3 × 7 × 7 × 29 × 1231. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 9, 58, 13, 916, 338, 8921, 9042, 95127, 35072, 945989, 132800, 3485316, 4026661, 90418241, 53828737, 415098008, 221520824, 6197637721, 3145745781

Basic calculations (n = 20991012)

Multiplication

n×y
n×2 41982024
n×3 62973036
n×4 83964048
n×5 104955060

Division

n÷y
n÷2 10495506
n÷3 6997004
n÷3 5247753
n÷5 4198202.4

Exponentiation

ny
n2 440622584784144
n3 9.249113964675E+21
n4 1.9414826222186E+29
n5 4.0753685020782E+36

Nth Root

y√n
2√n 4581.5949188028
3√n 275.85305136974
4√n 67.687479778781
5√n 29.134440037058

Divisors of 20991012

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 58, 84, 87, 98, 116, 147, 174, 196, 203, 294, 348, 406, 588, 609, 812, 1218, 1231, 1421, 2436, 2462, 2842, 3693, 4263, 4924, 5684, 7386, 8526, 8617, 14772, 17052, 17234, 25851, 34468, 35699, 51702, 60319, 71398, 103404, 107097, 120638, 142796, 180957, 214194, 241276, 249893, 361914, 428388, 499786, 723828, 749679, 999572, 1499358, 1749251, 2998716, 3498502, 5247753, 6997004, 10495506, 20991012

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20991011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20991012 can be divided by 72 positive divisors. The sum of these divisors (counting 20991012) is 1, the average is 0.013888888888889.

Base conversion 20991012

Base System Value
2 Binary 1010000000100110000100100
3 Ternary 1110111110020220
4 Quaternary 1100010300210
5 Quinary 20333203022
6 Senary 2025524340
8 Octal 120046044
10 Decimal 20991012
12 Duodecimal 70436b0
16 Hexadecimal 1404c24
20 Vigesimal 6b3hac
36 Base36 chwro

Cryptographic Hash Functions

md5 5b3bbcab7e48832cd12030f8e09ee733
sha1 65929c04a54bcb4672a700937133e5b47c6da2b2
sha256 4c0da2773e8d2e3671110413b884c35f20192b22677d2c90ef7f516bfb530e74
sha512 07e7e669cc0b8b06f3092931d2b7f599654716b164eaf77717ff7b6c932e93d191e388183f3a07c03b033bf502c2239824dd1c5e872b90a6e2d6512032c55f8b
ripemd-160 7408f9b65fc387aef79f83f4462fa8c6feb65df7

20991012 as geometric shapes

Circle

Radius = n
Diameter 41982024
Circumference 131890418.18123
Area 1.3842566753636E+15

Sphere

Radius = n
Volume 3.8742597978184E+22
Surface area 5.5370267014544E+15
Circumference 131890418.18123

Square

Length = n
Perimeter 83964048
Area 440622584784144
Diagonal 29685773.858336

Cube

Length = n
Surface area 2643735508704864
Volume 9.249113964675E+21
Space diagonal 36357499.286288

Equilateral Triangle

Length = n
Perimeter 62973036
Area 1.9079517595212E+14
Altitude 18178749.643144

Triangular Pyramid

Length = n
Surface area 1.9079517595212E+14
Volume 1.0900185340648E+21
Height 9895257.9527788