12721870 (number)

12721870 is an even 8-digits composite number following 12721869 and preceding 12721871. In scientific notation, it is written as 1.2721870 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 4360608 positive integers (up to 12721870) that are relatively prime to 12721870.

Interesting facts

Basic properties

Name

Name twelve million seven hundred twenty-one thousand eight hundred seventy

Notation

Scientific notation 1.2721870 × 10^7
Engineering notation 1.2721870 × 10^6

Prime Factorization of 12721870

Prime Factorization 2 × 35 × 7 × 7 × 3709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1817410
Product of the distinct prime numbers

The prime factorization of 12721870 is 2 × 35 × 7 × 7 × 3709. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 2, 98, 72, 491, 223, 4964, 3629, 84429, 29411, 868426, 719484, 7106212, 9867155, 7061812, 91789003, 971463888, 411474673, 8680561294, 428788777

Basic calculations (n = 12721870)

Multiplication

n×y
n×2 25443740
n×3 38165610
n×4 50887480
n×5 63609350

Division

n÷y
n÷2 6360935
n÷3 4240623.3333333
n÷3 3180467.5
n÷5 2544374

Exponentiation

ny
n2 161845976296900
n3 2.0589834704722E+21
n4 2.6194120043497E+28
n5 3.3323818995776E+35

Nth Root

y√n
2√n 3566.7730513729
3√n 233.44450258171
4√n 59.722466889546
5√n 26.357862656944

Divisors of 12721870

1, 2, 7, 14, 35, 49, 70, 98, 245, 490, 1715, 3430, 3709, 7418, 25963, 51926, 129815, 181741, 259630, 363482, 908705, 1817410, 6360935, 12721870

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12721869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12721870 can be divided by 24 positive divisors. The sum of these divisors (counting 12721870) is 1, the average is 0.041666666666667.

Base conversion 12721870

Base System Value
2 Binary 110000100001111011001110
3 Ternary 212221100010101
4 Quaternary 300201323032
5 Quinary 11224044440
6 Senary 1132401314
8 Octal 60417316
10 Decimal 12721870
12 Duodecimal 431623a
16 Hexadecimal c21ece
20 Vigesimal 3ja4da
36 Base36 7ko9a

Cryptographic Hash Functions

md5 43dc4fc9b1e541ae123832f5a04be2f1
sha1 0655d5da6691c9faf6350039eff361ca8caf673f
sha256 e89f71d48360dc49d6972b46247700fa3610560b736cec3195fed16b53f523cc
sha512 9693d42fea16869a35df46e82a5eac4b6c6e0aa64bbfd58fbaf3328343d918ef12b801859ea9408e8fe2e2fcbc6216f3147e193b725fe0d0d984672601c1687b
ripemd-160 858fb1252b372c87456005ff48ab304222715c82

12721870 as geometric shapes

Circle

Radius = n
Diameter 25443740
Circumference 79933866.663849
Area 5.0845413014741E+14

Sphere

Radius = n
Volume 8.6246497929312E+21
Surface area 2.0338165205896E+15
Circumference 79933866.663849

Square

Length = n
Perimeter 50887480
Area 161845976296900
Diagonal 17991441.092747

Cube

Length = n
Surface area 971075857781400
Volume 2.0589834704722E+21
Space diagonal 22034925.207286

Equilateral Triangle

Length = n
Perimeter 38165610
Area 70081363486705
Altitude 11017462.603643

Triangular Pyramid

Length = n
Surface area 70081363486705
Volume 2.4265352905366E+20
Height 5997147.0309158