12920985 (number)

12920985 is an odd 8-digits composite number following 12920984 and preceding 12920986. In scientific notation, it is written as 1.2920985 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 5322240 positive integers (up to 12920985) that are relatively prime to 12920985.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twenty thousand nine hundred eighty-five

Notation

Scientific notation 1.2920985 × 10^7
Engineering notation 1.2920985 × 10^6

Prime Factorization of 12920985

Prime Factorization 5 × 189 × 11 × 11 × 113

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1174635
Product of the distinct prime numbers

The prime factorization of 12920985 is 5 × 189 × 11 × 11 × 113. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 52, 31, 904, 555, 2407, 2844, 44556, 86306, 108908, 536684, 6926841, 7876282, 67034248, 24709871, 7022162, 371092772, 9247584903, 408067582

Basic calculations (n = 12920985)

Multiplication

n×y
n×2 25841970
n×3 38762955
n×4 51683940
n×5 64604925

Division

n÷y
n÷2 6460492.5
n÷3 4306995
n÷3 3230246.25
n÷5 2584197

Exponentiation

ny
n2 166951853370225
n3 2.1571823931189E+21
n4 2.7872921343753E+28
n5 3.6014559858881E+35

Nth Root

y√n
2√n 3594.5771656761
3√n 234.65611389178
4√n 59.954792683122
5√n 26.439858371269

Divisors of 12920985

1, 5, 11, 55, 113, 121, 189, 565, 605, 945, 1243, 2079, 6215, 10395, 13673, 21357, 22869, 68365, 106785, 114345, 234927, 1174635, 2584197, 12920985

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 -12920984
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 12920985 can be divided by 24 positive divisors. The sum of these divisors (counting 12920985) is 1, the average is 0.041666666666667.

Base conversion 12920985

Base System Value
2 Binary 110001010010100010011001
3 Ternary 220022110021000
4 Quaternary 301102202121
5 Quinary 11301432420
6 Senary 1140535213
8 Octal 61224231
10 Decimal 12920985
12 Duodecimal 43b1509
16 Hexadecimal c52899
20 Vigesimal 40f295
36 Base36 7oxw9

Cryptographic Hash Functions

md5 3dcf8b37638a28af458b819083c692b7
sha1 19744ac62700952693b20405d09268d3e793a741
sha256 1cba03e23038da0e022fb58466a30644873885b4aaa5f67e70a9a816eace1ed5
sha512 bde5569506f0e08caed3bc885bbbb7e8a289fa916054483ea15cbd11260f0eac4145ce09cf05de98f03911c9f899311502b02700664a963a0fa6e4e8b02fe462
ripemd-160 dd394bc33edd7d866fe1ee9f24c91c9df4fa00a5

12920985 as geometric shapes

Circle

Radius = n
Diameter 25841970
Circumference 81184943.106288
Area 5.244947160511E+14

Sphere

Radius = n
Volume 9.035984478234E+21
Surface area 2.0979788642044E+15
Circumference 81184943.106288

Square

Length = n
Perimeter 51683940
Area 166951853370225
Diagonal 18273032.226219

Cube

Length = n
Surface area 1001711120221350
Volume 2.1571823931189E+21
Space diagonal 22379802.503835

Equilateral Triangle

Length = n
Perimeter 38762955
Area 72292273113755
Altitude 11189901.251918

Triangular Pyramid

Length = n
Surface area 72292273113755
Volume 2.5422638307176E+20
Height 6091010.7420731