12951985 (number)

12951985 is an odd 8-digits composite number following 12951984 and preceding 12951986. In scientific notation, it is written as 1.2951985 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 10361584 positive integers (up to 12951985) that are relatively prime to 12951985.

Interesting facts

Basic properties

Name

Name twelve million nine hundred fifty-one thousand nine hundred eighty-five

Notation

Scientific notation 1.2951985 × 10^7
Engineering notation 1.2951985 × 10^6

Prime Factorization of 12951985

Prime Factorization 5 × 2590397

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12951985
Product of the distinct prime numbers

The prime factorization of 12951985 is 5 × 2590397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12951985)

Multiplication

n×y
n×2 25903970
n×3 38855955
n×4 51807940
n×5 64759925

Division

n÷y
n÷2 6475992.5
n÷3 4317328.3333333
n÷3 3237996.25
n÷5 2590397

Exponentiation

ny
n2 167753915440225
n3 2.1727461964731E+21
n4 2.8141376145526E+28
n5 3.6448668171621E+35

Nth Root

y√n
2√n 3598.8866333909
3√n 234.84362616337
4√n 59.990721227461
5√n 26.452533103926

Divisors of 12951985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12951984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12951985 can be divided by 4 positive divisors. The sum of these divisors (counting 12951985) is 1, the average is 0.25.

Base conversion 12951985

Base System Value
2 Binary 110001011010000110110001
3 Ternary 220101000210011
4 Quaternary 301122012301
5 Quinary 11303430420
6 Senary 1141334521
8 Octal 61320661
10 Decimal 12951985
12 Duodecimal 4407441
16 Hexadecimal c5a1b1
20 Vigesimal 40ijj5
36 Base36 7pltd

Cryptographic Hash Functions

md5 bd7d17c3b7511dfb26e1be2afff025ae
sha1 92378e5ccebf288e2188229ba0f9778811b65e56
sha256 3891f1a56f0bedba163e55f0f711e3ddfd37a5eb1de4107cf35dd94e75b82eb5
sha512 dc966dbadb97a0b6c04ac4695350f6777006ef57aa5c76292c873f741ae64723bcb6e00446475fdfe086e4f5adce46b0944ee42e3146159c8b14679ee57dd0f7
ripemd-160 d38a93f253665bb663de702e95fcc6f32856e579

12951985 as geometric shapes

Circle

Radius = n
Diameter 25903970
Circumference 81379721.85081
Area 5.2701446835793E+14

Sphere

Radius = n
Volume 9.1011779852733E+21
Surface area 2.1080578734317E+15
Circumference 81379721.85081

Square

Length = n
Perimeter 51807940
Area 167753915440225
Diagonal 18316872.846653

Cube

Length = n
Surface area 1006523492641350
Volume 2.1727461964731E+21
Space diagonal 22433496.07887

Equilateral Triangle

Length = n
Perimeter 38855955
Area 72639576177771
Altitude 11216748.039435

Triangular Pyramid

Length = n
Surface area 72639576177771
Volume 2.5606059488723E+20
Height 6105624.2822176