1215207728 (number)

1215207728 is an even 10-digits composite number following 1215207727 and preceding 1215207729. In scientific notation, it is written as 1.215207728 × 10^9. The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors. There are 520803264 positive integers (up to 1215207728) that are relatively prime to 1215207728.

Interesting facts

Basic properties

Name

Name one billion two hundred fifteen million two hundred seven thousand seven hundred twenty-eight

Notation

Scientific notation 1.215207728 × 10^9
Engineering notation 1.215207728 × 10^9

Prime Factorization of 1215207728

Prime Factorization 2 × 2 × 2 × 2 × 7 × 10850069

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 151900966
Product of the distinct prime numbers

The prime factorization of 1215207728 is 2 × 2 × 2 × 2 × 7 × 10850069. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 5, 30, 5, 856, 204, 4038, 9661, 35085, 90797, 943288, 706256, 3675411, 7587016, 26130751, 37068682, 2466239, 862024697, 9425151833, 3986223644

Basic calculations (n = 1215207728)

Multiplication

n×y
n×2 2430415456
n×3 3645623184
n×4 4860830912
n×5 6076038640

Division

n÷y
n÷2 607603864
n÷3 405069242.66667
n÷3 303801932
n÷5 243041545.6

Exponentiation

ny
n2 1476729822190921984
n3 1.7945334920945E+27
n4 2.180730967748E+36
n5 2.6500411246963E+45

Nth Root

y√n
2√n 34859.82971846
3√n 1067.1287999255
4√n 186.70787267402
5√n 65.603967462632

Divisors of 1215207728

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 10850069, 21700138, 43400276, 75950483, 86800552, 151900966, 173601104, 303801932, 607603864, 1215207728

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1215207727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1215207728 can be divided by 20 positive divisors. The sum of these divisors (counting 1215207728) is 1, the average is 0.05.

Base conversion 1215207728

Base System Value
2 Binary 1001000011011101001100100110000
3 Ternary 10010200121221121122
4 Quaternary 1020123221210300
5 Quinary 4442043121403
6 Senary 320330041412
8 Octal 11033514460
10 Decimal 1215207728
12 Duodecimal 29ab79268
16 Hexadecimal 486e9930
20 Vigesimal ijf0j68
36 Base36 k3i4a8

Cryptographic Hash Functions

md5 f5ad84e6ba4bc963af9f6968b3b1aa75
sha1 9e2dc1c0f533ae28273f79c2e02364793d3c14f9
sha256 376265225c00c174fc89f3b48d9f80b3880aef32aad1344ef8e31e41ef222cdd
sha512 55e8257d3d6f47911385e7027d20f47ae24ba3e09dc62ec054ab35006ed4d15c46b429bbb5b5354dcb722c3b0b56ceb6a663897d5b4da504ada0b36bbf557adb
ripemd-160 aaa4add95915cdeaa81c50104fd874eff6872135

1215207728 as geometric shapes

Circle

Radius = n
Diameter 2430415456
Circumference 7635375341.7407
Area 4.639283560732E+18

Sphere

Radius = n
Volume 7.5169243138464E+27
Surface area 1.8557134242928E+19
Circumference 7635375341.7407

Square

Length = n
Perimeter 4860830912
Area 1476729822190921984
Diagonal 1718563250.0382

Cube

Length = n
Surface area 8860378933145531904
Volume 1.7945334920945E+27
Space diagonal 2104801526.6463

Equilateral Triangle

Length = n
Perimeter 3645623184
Area 6.3944277027171E+17
Altitude 1052400763.3232

Triangular Pyramid

Length = n
Surface area 6.3944277027171E+17
Volume 2.1148780022106E+26
Height 572854416.6794