12981680 (number)

12981680 is an even 8-digits composite number following 12981679 and preceding 12981681. In scientific notation, it is written as 1.2981680 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors. There are 5164544 positive integers (up to 12981680) that are relatively prime to 12981680.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand six hundred eighty

Notation

Scientific notation 1.2981680 × 10^7
Engineering notation 1.2981680 × 10^6

Prime Factorization of 12981680

Prime Factorization 2 × 2 × 2 × 2 × 1315 × 617

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1622710
Product of the distinct prime numbers

The prime factorization of 12981680 is 2 × 2 × 2 × 2 × 1315 × 617. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 8, 62, 25, 273, 199, 7953, 517, 522, 86540, 623400, 504083, 6037143, 512142, 11985794, 24389115, 483526460, 911778414, 9766902640, 625128084

Basic calculations (n = 12981680)

Multiplication

n×y
n×2 25963360
n×3 38945040
n×4 51926720
n×5 64908400

Division

n÷y
n÷2 6490840
n÷3 4327226.6666667
n÷3 3245420
n÷5 2596336

Exponentiation

ny
n2 168524015622400
n3 2.187724843125E+21
n4 2.8400343841499E+28
n5 3.6868417564031E+35

Nth Root

y√n
2√n 3603.0098528869
3√n 235.0229644074
4√n 60.02507686698
5√n 26.464651533443

Divisors of 12981680

1, 2, 4, 8, 16, 617, 1234, 1315, 2468, 2630, 4936, 5260, 9872, 10520, 21040, 811355, 1622710, 3245420, 6490840, 12981680

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 -12981679
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 12981680 can be divided by 20 positive divisors. The sum of these divisors (counting 12981680) is 1, the average is 0.05.

Base conversion 12981680

Base System Value
2 Binary 110001100001010110110000
3 Ternary 220102112111222
4 Quaternary 301201112300
5 Quinary 11310403210
6 Senary 1142124212
8 Octal 61412660
10 Decimal 12981680
12 Duodecimal 4420668
16 Hexadecimal c615b0
20 Vigesimal 412e40
36 Base36 7q8q8

Cryptographic Hash Functions

md5 a4688947e6a59b24a69cf845f9c1c26d
sha1 bde3307e8b0697447400402f75c8847829550bc7
sha256 250c7042e276be5a268687b9602eea0044107dd6e84d2b9392b162584b238771
sha512 987bb2a07cee04c5d00c937b433e015eedec9d4337ee75649ba3b9b54974acfd65031fb64c7de862aca7951130538f2664e23876e132b982893ae8c7e224426d
ripemd-160 f8ccf36e6c672dc427166cfa85fec2e245237103

12981680 as geometric shapes

Circle

Radius = n
Diameter 25963360
Circumference 81566301.038507
Area 5.2943380943278E+14

Sphere

Radius = n
Volume 9.1639203936498E+21
Surface area 2.1177352377311E+15
Circumference 81566301.038507

Square

Length = n
Perimeter 51926720
Area 168524015622400
Diagonal 18358867.918388

Cube

Length = n
Surface area 1011144093734400
Volume 2.187724843125E+21
Space diagonal 22484929.327601

Equilateral Triangle

Length = n
Perimeter 38945040
Area 72973039338382
Altitude 11242464.6638

Triangular Pyramid

Length = n
Surface area 72973039338382
Volume 2.5782584532399E+20
Height 6119622.6394625