20155807 (number)

20155807 is an odd 8-digits composite number following 20155806 and preceding 20155808. In scientific notation, it is written as 2.0155807 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 17218656 positive integers (up to 20155807) that are relatively prime to 20155807.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand eight hundred seven

Notation

Scientific notation 2.0155807 × 10^7
Engineering notation 2.0155807 × 10^6

Prime Factorization of 20155807

Prime Factorization 7 × 7 × 937 × 439

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2879401
Product of the distinct prime numbers

The prime factorization of 20155807 is 7 × 7 × 937 × 439. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 55, 88, 407, 175, 6038, 6167, 84816, 40191, 629689, 796661, 7324930, 8590854, 18287467, 88925676, 269346122, 154499881, 5652682999, 9155655345

Basic calculations (n = 20155807)

Multiplication

n×y
n×2 40311614
n×3 60467421
n×4 80623228
n×5 100779035

Division

n÷y
n÷2 10077903.5
n÷3 6718602.3333333
n÷3 5038951.75
n÷5 4031161.4

Exponentiation

ny
n2 406256555821249
n3 8.1884287316178E+21
n4 1.6504438914774E+29
n5 3.3266028540948E+36

Nth Root

y√n
2√n 4489.5219121862
3√n 272.14481457439
4√n 67.003894753859
5√n 28.898815227357

Divisors of 20155807

1, 7, 49, 439, 937, 3073, 6559, 21511, 45913, 411343, 2879401, 20155807

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 -20155806
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 20155807 can be divided by 12 positive divisors. The sum of these divisors (counting 20155807) is 1, the average is 0.083333333333333.

Base conversion 20155807

Base System Value
2 Binary 1001100111000110110011111
3 Ternary 1101221000120101
4 Quaternary 1030320312133
5 Quinary 20124441212
6 Senary 2000001531
8 Octal 114706637
10 Decimal 20155807
12 Duodecimal 69002a7
16 Hexadecimal 1338d9f
20 Vigesimal 65j9a7
36 Base36 c00bj

Cryptographic Hash Functions

md5 85f6eef2fd47d9601b4ecd14de9a62bd
sha1 ecdf1bf9211ce05f2fd83db6372eee44ca22e697
sha256 077fde4de1338a20c4815ce99ec5198f6fcf5ff484e5ff90d5a700333281fd02
sha512 8d5b357088acc3bd5b82f839976a4247def6f0e31c6a7ca2fe79f6e9cc63767224e50d41b681a42bdfc24ebd0e00c511453d7f9da2a74a858013f5a07fe484ea
ripemd-160 cc2e23ff718938e0307613786c76247fd1218741

20155807 as geometric shapes

Circle

Radius = n
Diameter 40311614
Circumference 126642670.39675
Area 1.2762926112407E+15

Sphere

Radius = n
Volume 3.4299610063592E+22
Surface area 5.1051704449629E+15
Circumference 126642670.39675

Square

Length = n
Perimeter 80623228
Area 406256555821249
Diagonal 28504615.619975

Cube

Length = n
Surface area 2437539334927494
Volume 8.1884287316178E+21
Space diagonal 34910881.791552

Equilateral Triangle

Length = n
Perimeter 60467421
Area 1.7591424889759E+14
Altitude 17455440.895776

Triangular Pyramid

Length = n
Surface area 1.7591424889759E+14
Volume 9.6501558056495E+20
Height 9501538.5399915