20121505 (number)

20121505 is an odd 8-digits composite number following 20121504 and preceding 20121506. In scientific notation, it is written as 2.0121505 × 10^7. The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors. There are 15422400 positive integers (up to 20121505) that are relatively prime to 20121505.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand five hundred five

Notation

Scientific notation 2.0121505 × 10^7
Engineering notation 2.0121505 × 10^6

Prime Factorization of 20121505

Prime Factorization 5 × 151 × 29 × 919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121505
Product of the distinct prime numbers

The prime factorization of 20121505 is 5 × 151 × 29 × 919. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 40, 14, 443, 266, 6674, 3190, 20577, 59300, 283040, 288850, 4736622, 6427282, 61820762, 74841123, 46543437, 534971738, 7162124378, 3140574513

Basic calculations (n = 20121505)

Multiplication

n×y
n×2 40243010
n×3 60364515
n×4 80486020
n×5 100607525

Division

n÷y
n÷2 10060752.5
n÷3 6707168.3333333
n÷3 5030376.25
n÷5 4024301

Exponentiation

ny
n2 404874963465025
n3 8.1466936017363E+21
n4 1.6392373604081E+29
n5 3.2983922743637E+36

Nth Root

y√n
2√n 4485.7000568473
3√n 271.99034441647
4√n 66.975369031065
5√n 28.888972280801

Divisors of 20121505

1, 5, 29, 145, 151, 755, 919, 4379, 4595, 21895, 26651, 133255, 138769, 693845, 4024301, 20121505

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 -20121504
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 20121505 can be divided by 16 positive divisors. The sum of these divisors (counting 20121505) is 1, the average is 0.0625.

Base conversion 20121505

Base System Value
2 Binary 1001100110000011110100001
3 Ternary 1101212021111221
4 Quaternary 1030300132201
5 Quinary 20122342010
6 Senary 1555135041
8 Octal 114603641
10 Decimal 20121505
12 Duodecimal 68a4481
16 Hexadecimal 13307a1
20 Vigesimal 65f3f5
36 Base36 bz9up

Cryptographic Hash Functions

md5 0d290b18487e8d61de7c6c7403a534d7
sha1 99182df4aeabcbef5a68b7ed85c9d3695a188aac
sha256 04ebf476465b1d65c3ae22fb24037c534b447e179a121b520882ba72bcaf4516
sha512 8c281cfe7e751e27b1737e31f13a66761f6b2a4f67b467e6ebaa718b6ee4bd18065f7634aad3175844e49c38a4d3ba1612b4398a52c66cbc1276cf0363af1132
ripemd-160 108162f21de294af0f24e21c516cca0f9c05fb89

20121505 as geometric shapes

Circle

Radius = n
Diameter 40243010
Circumference 126427144.57434
Area 1.2719522108442E+15

Sphere

Radius = n
Volume 3.4124790360349E+22
Surface area 5.0878088433766E+15
Circumference 126427144.57434

Square

Length = n
Perimeter 80486020
Area 404874963465025
Diagonal 28456105.266358

Cube

Length = n
Surface area 2429249780790150
Volume 8.1466936017363E+21
Space diagonal 34851468.984751

Equilateral Triangle

Length = n
Perimeter 60364515
Area 1.753160018585E+14
Altitude 17425734.492376

Triangular Pyramid

Length = n
Surface area 1.753160018585E+14
Volume 9.6009704833947E+20
Height 9485368.4221193