20143945 (number)

20143945 is an odd 8-digits composite number following 20143944 and preceding 20143946. In scientific notation, it is written as 2.0143945 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 15769600 positive integers (up to 20143945) that are relatively prime to 20143945.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-three thousand nine hundred forty-five

Notation

Scientific notation 2.0143945 × 10^7
Engineering notation 2.0143945 × 10^6

Prime Factorization of 20143945

Prime Factorization 5 × 113 × 101 × 353

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20143945
Product of the distinct prime numbers

The prime factorization of 20143945 is 5 × 113 × 101 × 353. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 11, 14, 595, 380, 7624, 5599, 44368, 24602, 372965, 290839, 5004709, 5505209, 81908147, 56211708, 219550088, 157172359, 906677534, 3777236914

Basic calculations (n = 20143945)

Multiplication

n×y
n×2 40287890
n×3 60431835
n×4 80575780
n×5 100719725

Division

n÷y
n÷2 10071972.5
n÷3 6714648.3333333
n÷3 5035986.25
n÷5 4028789

Exponentiation

ny
n2 405778520163025
n3 8.1739801923454E+21
n4 1.6465620742569E+29
n5 3.3168255862918E+36

Nth Root

y√n
2√n 4488.2006416826
3√n 272.09141697247
4√n 66.994034373835
5√n 28.895412947593

Divisors of 20143945

1, 5, 101, 113, 353, 505, 565, 1765, 11413, 35653, 39889, 57065, 178265, 199445, 4028789, 20143945

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 -20143944
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 20143945 can be divided by 16 positive divisors. The sum of these divisors (counting 20143945) is 1, the average is 0.0625.

Base conversion 20143945

Base System Value
2 Binary 1001100110101111101001001
3 Ternary 1101220102022001
4 Quaternary 1030311331021
5 Quinary 20124101240
6 Senary 1555431001
8 Octal 114657511
10 Decimal 20143945
12 Duodecimal 68b5461
16 Hexadecimal 1335f49
20 Vigesimal 65hjh5
36 Base36 bzr61

Cryptographic Hash Functions

md5 e8e65452f40468473a06ddc3e95063dd
sha1 b0fc968d7ff67ab7016914c5e993e7666d2d438c
sha256 2dd599b745d1c31e6a90cad19428b82a1306e0f251f016e8ac5cc8a14a930a17
sha512 ee26089de4670697c2e6b8616d455d4af8bc207aff6526fb3f551960403195a84f3696008a564ebbd3da814a3a702d239e2a2b411ceca0005737bf3212a13dd2
ripemd-160 79923fea8d96ad8761656bdc4246c479f290f75e

20143945 as geometric shapes

Circle

Radius = n
Diameter 40287890
Circumference 126568139.25263
Area 1.2747908179287E+15

Sphere

Radius = n
Volume 3.4239088163814E+22
Surface area 5.0991632717148E+15
Circumference 126568139.25263

Square

Length = n
Perimeter 80575780
Area 405778520163025
Diagonal 28487840.218698

Cube

Length = n
Surface area 2434671120978150
Volume 8.1739801923454E+21
Space diagonal 34890336.204873

Equilateral Triangle

Length = n
Perimeter 60431835
Area 1.7570725338562E+14
Altitude 17445168.102437

Triangular Pyramid

Length = n
Surface area 1.7570725338562E+14
Volume 9.6331280388199E+20
Height 9495946.7395659