20157621 (number)

20157621 is an odd 8-digits composite number following 20157620 and preceding 20157622. In scientific notation, it is written as 2.0157621 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 12216720 positive integers (up to 20157621) that are relatively prime to 20157621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0157621 × 10^7
Engineering notation 2.0157621 × 10^6

Prime Factorization of 20157621

Prime Factorization 3 × 11 × 610837

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20157621
Product of the distinct prime numbers

The prime factorization of 20157621 is 3 × 11 × 610837. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157621)

Multiplication

n×y
n×2 40315242
n×3 60472863
n×4 80630484
n×5 100788105

Division

n÷y
n÷2 10078810.5
n÷3 6719207
n÷3 5039405.25
n÷5 4031524.2

Exponentiation

ny
n2 406329684379641
n3 8.1906397787744E+21
n4 1.6510381240806E+29
n5 3.3281000761767E+36

Nth Root

y√n
2√n 4489.7239336066
3√n 272.15297857206
4√n 67.005402271806
5√n 28.899335380816

Divisors of 20157621

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20157620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157621 can be divided by 8 positive divisors. The sum of these divisors (counting 20157621) is 1, the average is 0.125.

Base conversion 20157621

Base System Value
2 Binary 1001100111001010010110101
3 Ternary 1101221010001120
4 Quaternary 1030321102311
5 Quinary 20130020441
6 Senary 2000014153
8 Octal 114712265
10 Decimal 20157621
12 Duodecimal 6901359
16 Hexadecimal 13394b5
20 Vigesimal 65je11
36 Base36 c01px

Cryptographic Hash Functions

md5 ceca79276a3889388103409a5165ceed
sha1 2673343a1b48c2ee117f7ea9a3390de4c2b467d7
sha256 7c473b67b4ce92f3e5effd287799158c8b24f0e6ff465a0d806e13481dc7e857
sha512 30dbd01fc022641e288d84f415c0c0978ec61aed4d50e4c860cde1659e82fd91e9404a137654a1d8d5ace128310a95c8a28eb424666d4c987ce7db4df7186c8b
ripemd-160 b83e434e99ee7cfa7176cd8458c635c714512177

20157621 as geometric shapes

Circle

Radius = n
Diameter 40315242
Circumference 126654068.09489
Area 1.2765223513825E+15

Sphere

Radius = n
Volume 3.4308871676264E+22
Surface area 5.1060894055302E+15
Circumference 126654068.09489

Square

Length = n
Perimeter 80630484
Area 406329684379641
Diagonal 28507181.003377

Cube

Length = n
Surface area 2437978106277846
Volume 8.1906397787744E+21
Space diagonal 34914023.731717

Equilateral Triangle

Length = n
Perimeter 60472863
Area 1.7594591449224E+14
Altitude 17457011.865859

Triangular Pyramid

Length = n
Surface area 1.7594591449224E+14
Volume 9.6527615497128E+20
Height 9502393.6677922