20121720 (number)

20121720 is an even 8-digits composite number following 20121719 and preceding 20121721. In scientific notation, it is written as 2.0121720 × 10^7. The sum of its digits is 15. It has a total of 6 prime factors and 32 positive divisors. There are 5289984 positive integers (up to 20121720) that are relatively prime to 20121720.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121720 × 10^7
Engineering notation 2.0121720 × 10^6

Prime Factorization of 20121720

Prime Factorization 2 × 2 × 2 × 219 × 5 × 2297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5030430
Product of the distinct prime numbers

The prime factorization of 20121720 is 2 × 2 × 2 × 219 × 5 × 2297. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 3, 33, 69, 824, 545, 7741, 7984, 23196, 11961, 710189, 832281, 4279033, 8923432, 73334505, 56060606, 184866164, 88291764, 4313580523, 7855216884

Basic calculations (n = 20121720)

Multiplication

n×y
n×2 40243440
n×3 60365160
n×4 80486880
n×5 100608600

Division

n÷y
n÷2 10060860
n÷3 6707240
n÷3 5030430
n÷5 4024344

Exponentiation

ny
n2 404883615758400
n3 8.1469547488781E+21
n4 1.639307423096E+29
n5 3.2985684961458E+36

Nth Root

y√n
2√n 4485.7240218275
3√n 271.99131315971
4√n 66.975547939733
5√n 28.889034016764

Divisors of 20121720

1, 2, 4, 5, 8, 10, 20, 40, 219, 438, 876, 1095, 1752, 2190, 2297, 4380, 4594, 8760, 9188, 11485, 18376, 22970, 45940, 91880, 503043, 1006086, 2012172, 2515215, 4024344, 5030430, 10060860, 20121720

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121720 can be divided by 32 positive divisors. The sum of these divisors (counting 20121720) is 1, the average is 0.03125.

Base conversion 20121720

Base System Value
2 Binary 1001100110000100001111000
3 Ternary 1101212021210220
4 Quaternary 1030300201320
5 Quinary 20122343340
6 Senary 1555140040
8 Octal 114604170
10 Decimal 20121720
12 Duodecimal 68a4620
16 Hexadecimal 1330878
20 Vigesimal 65f460
36 Base36 bza0o

Cryptographic Hash Functions

md5 0ef590ae62682df0cfe8360d51815e69
sha1 d27107e85963c69d783bf17250ccbdf1fa64e086
sha256 6ab95feb1c53b8d63795997fe84724a340c31d17f2992632120f6c7dcdd51ca6
sha512 e43d9cbf3f2cb8e06f72ba87d626b00f6f8c5a28585d2347b886e5fd11525350772b5d6baa3f494c91881f1bb6f2212af8a5aad709b1cca32a229144c194a922
ripemd-160 612d3007a43c31a48a12fe9146cb442d450cbda4

20121720 as geometric shapes

Circle

Radius = n
Diameter 40243440
Circumference 126428495.45918
Area 1.2719793928255E+15

Sphere

Radius = n
Volume 3.4125884250939E+22
Surface area 5.0879175713018E+15
Circumference 126428495.45918

Square

Length = n
Perimeter 80486880
Area 404883615758400
Diagonal 28456409.322274

Cube

Length = n
Surface area 2429301694550400
Volume 8.1469547488781E+21
Space diagonal 34851841.375675

Equilateral Triangle

Length = n
Perimeter 60365160
Area 1.7531974841144E+14
Altitude 17425920.687837

Triangular Pyramid

Length = n
Surface area 1.7531974841144E+14
Volume 9.6012782482528E+20
Height 9485469.7740913