20147421 (number)

20147421 is an odd 8-digits composite number following 20147420 and preceding 20147422. In scientific notation, it is written as 2.0147421 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 11475648 positive integers (up to 20147421) that are relatively prime to 20147421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0147421 × 10^7
Engineering notation 2.0147421 × 10^6

Prime Factorization of 20147421

Prime Factorization 3 × 7 × 349 × 2749

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20147421
Product of the distinct prime numbers

The prime factorization of 20147421 is 3 × 7 × 349 × 2749. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 58, 93, 86, 538, 6393, 9941, 1318, 63833, 290326, 514228, 6695478, 2918453, 26895305, 14524647, 840616134, 5295828, 6151960093, 9157754752

Basic calculations (n = 20147421)

Multiplication

n×y
n×2 40294842
n×3 60442263
n×4 80589684
n×5 100737105

Division

n÷y
n÷2 10073710.5
n÷3 6715807
n÷3 5036855.25
n÷5 4029484.2

Exponentiation

ny
n2 405918572951241
n3 8.1782123809679E+21
n4 1.6476988786677E+29
n5 3.3196882989746E+36

Nth Root

y√n
2√n 4488.5878625688
3√n 272.10706659438
4√n 66.996924276931
5√n 28.896410106028

Divisors of 20147421

1, 3, 7, 21, 349, 1047, 2443, 2749, 7329, 8247, 19243, 57729, 959401, 2878203, 6715807, 20147421

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20147420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20147421 can be divided by 16 positive divisors. The sum of these divisors (counting 20147421) is 1, the average is 0.0625.

Base conversion 20147421

Base System Value
2 Binary 1001100110110110011011101
3 Ternary 1101220121001210
4 Quaternary 1030312303131
5 Quinary 20124204141
6 Senary 1555455033
8 Octal 114666335
10 Decimal 20147421
12 Duodecimal 68b7479
16 Hexadecimal 1336cdd
20 Vigesimal 65i8b1
36 Base36 bztul

Cryptographic Hash Functions

md5 37ea020e134a00066f24a36ca6780cb8
sha1 6e017c9641bc19f7ab9c61edf0b7638549e38e5d
sha256 67429025ee81c57543e1711d0d48025e29d993a725b4d3522fa039ccaee50b05
sha512 48006b47eadc94cde186f09fa2f87c8fe6a15befa2ff8c9fe7065dc1e97764f9c620c5f849fb11b4e905f3984abeddf2c967d089215c8545f68bdd3447b880cf
ripemd-160 e4b5a7bf8b277ff17dedab65693129442718f423

20147421 as geometric shapes

Circle

Radius = n
Diameter 40294842
Circumference 126589979.60476
Area 1.2752308067393E+15

Sphere

Radius = n
Volume 3.4256815914061E+22
Surface area 5.1009232269571E+15
Circumference 126589979.60476

Square

Length = n
Perimeter 80589684
Area 405918572951241
Diagonal 28492756.025041

Cube

Length = n
Surface area 2435511437707446
Volume 8.1782123809679E+21
Space diagonal 34896356.81348

Equilateral Triangle

Length = n
Perimeter 60442263
Area 1.7576789802185E+14
Altitude 17448178.40674

Triangular Pyramid

Length = n
Surface area 1.7576789802185E+14
Volume 9.6381157209436E+20
Height 9497585.3416802