12961840 (number)

12961840 is an even 8-digits composite number following 12961839 and preceding 12961841. In scientific notation, it is written as 1.2961840 × 10^7. The sum of its digits is 31. It has a total of 8 prime factors and 80 positive divisors. There are 4838400 positive integers (up to 12961840) that are relatively prime to 12961840.

Interesting facts

Basic properties

Name

Name twelve million nine hundred sixty-one thousand eight hundred forty

Notation

Scientific notation 1.2961840 × 10^7
Engineering notation 1.2961840 × 10^6

Prime Factorization of 12961840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 37 × 29 × 151

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1620230
Product of the distinct prime numbers

The prime factorization of 12961840 is 2 × 2 × 2 × 2 × 5 × 37 × 29 × 151. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 4, 5, 38, 876, 736, 6969, 943, 61513, 39358, 995051, 515834, 7262794, 4159372, 33674886, 80908637, 16850736, 182064177, 8804493245, 1734260767

Basic calculations (n = 12961840)

Multiplication

n×y
n×2 25923680
n×3 38885520
n×4 51847360
n×5 64809200

Division

n÷y
n÷2 6480920
n÷3 4320613.3333333
n÷3 3240460
n÷5 2592368

Exponentiation

ny
n2 168009296185600
n3 2.1777096156704E+21
n4 2.8227123604781E+28
n5 3.6587545982539E+35

Nth Root

y√n
2√n 3600.2555464856
3√n 234.90317423493
4√n 60.002129516256
5√n 26.456557358243

Divisors of 12961840

1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 151, 185, 232, 290, 296, 302, 370, 464, 580, 592, 604, 740, 755, 1073, 1160, 1208, 1480, 1510, 2146, 2320, 2416, 2960, 3020, 4292, 4379, 5365, 5587, 6040, 8584, 8758, 10730, 11174, 12080, 17168, 17516, 21460, 21895, 22348, 27935, 35032, 42920, 43790, 44696, 55870, 70064, 85840, 87580, 89392, 111740, 162023, 175160, 223480, 324046, 350320, 446960, 648092, 810115, 1296184, 1620230, 2592368, 3240460, 6480920, 12961840

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12961839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12961840 can be divided by 80 positive divisors. The sum of these divisors (counting 12961840) is 1, the average is 0.0125.

Base conversion 12961840

Base System Value
2 Binary 110001011100100000110000
3 Ternary 220101112022011
4 Quaternary 301130200300
5 Quinary 11304234330
6 Senary 1141452304
8 Octal 61344060
10 Decimal 12961840
12 Duodecimal 4411094
16 Hexadecimal c5c830
20 Vigesimal 4104c0
36 Base36 7ptf4

Cryptographic Hash Functions

md5 1fbf62e9ae25701f47de7ec6f3d75959
sha1 cebfcc071711422951c6971463348afcc8f21832
sha256 61c130e4d39c4366d6295532cc102670c57799ab7d07a7d17ee410ad19c8c50a
sha512 f83e154e957d0959489db4ca4e19f2af2cb170bb68cc14e9679842a221cb2a6d603d3fc59612ab19708fe09d36bd4b829fdd867557295c16246dfdd6116dbf04
ripemd-160 f20a4e75588c25370bf058e63314816095b43a52

12961840 as geometric shapes

Circle

Radius = n
Diameter 25923680
Circumference 81441642.642013
Area 5.2781677063147E+14

Sphere

Radius = n
Volume 9.1219687069891E+21
Surface area 2.1112670825259E+15
Circumference 81441642.642013

Square

Length = n
Perimeter 51847360
Area 168009296185600
Diagonal 18330809.92131

Cube

Length = n
Surface area 1008055777113600
Volume 2.1777096156704E+21
Space diagonal 22450565.439579

Equilateral Triangle

Length = n
Perimeter 38885520
Area 72750159284337
Altitude 11225282.719789

Triangular Pyramid

Length = n
Surface area 72750159284337
Volume 2.5664553944928E+20
Height 6110269.97377