20007985 (number)

20007985 is an odd 8-digits composite number following 20007984 and preceding 20007986. In scientific notation, it is written as 2.0007985 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 16006384 positive integers (up to 20007985) that are relatively prime to 20007985.

Interesting facts

Basic properties

Name

Name twenty million seven thousand nine hundred eighty-five

Notation

Scientific notation 2.0007985 × 10^7
Engineering notation 2.0007985 × 10^6

Prime Factorization of 20007985

Prime Factorization 5 × 4001597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20007985
Product of the distinct prime numbers

The prime factorization of 20007985 is 5 × 4001597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20007985)

Multiplication

n×y
n×2 40015970
n×3 60023955
n×4 80031940
n×5 100039925

Division

n÷y
n÷2 10003992.5
n÷3 6669328.3333333
n÷3 5001996.25
n÷5 4001597

Exponentiation

ny
n2 400319463760225
n3 8.0095858261226E+21
n4 1.6025567306527E+29
n5 3.2063931028549E+36

Nth Root

y√n
2√n 4473.0286160498
3√n 271.47788122745
4√n 66.880704362692
5√n 28.856301742035

Divisors of 20007985

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 -20007984
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 20007985 can be divided by 4 positive divisors. The sum of these divisors (counting 20007985) is 1, the average is 0.25.

Base conversion 20007985

Base System Value
2 Binary 1001100010100110000110001
3 Ternary 1101122111210111
4 Quaternary 1030110300301
5 Quinary 20110223420
6 Senary 1552501321
8 Octal 114246061
10 Decimal 20007985
12 Duodecimal 684a841
16 Hexadecimal 1314c31
20 Vigesimal 650jj5
36 Base36 bwu9d

Cryptographic Hash Functions

md5 6d75cfb52a9d00236b24bcc75cf447dd
sha1 6c17e7e3869d6fc7245f292f17f88ae49c5cba3e
sha256 6643b25b1a45d03d8bbb01d2e3d5b050b35a7e925d38565cda26be3fb7befed4
sha512 90376bb21667aca95707088b4ac9b012161cbf76ffd14746f3e46cb2a1caac23c61bf02b6e9b29c7921c48cdd2b0a56b5c81a6be0a94944da82009a7b97fc989
ripemd-160 8c1fda3a9c0ce94e98e932e33ebad0b6a0b421ae

20007985 as geometric shapes

Circle

Radius = n
Diameter 40015970
Circumference 125713877.37827
Area 1.2576406864381E+15

Sphere

Radius = n
Volume 3.3550474652858E+22
Surface area 5.0305627457525E+15
Circumference 125713877.37827

Square

Length = n
Perimeter 80031940
Area 400319463760225
Diagonal 28295563.742757

Cube

Length = n
Surface area 2401916782561350
Volume 8.0095858261226E+21
Space diagonal 34654846.577076

Equilateral Triangle

Length = n
Perimeter 60023955
Area 1.7334341262286E+14
Altitude 17327423.288538

Triangular Pyramid

Length = n
Surface area 1.7334341262286E+14
Volume 9.4393874202449E+20
Height 9431854.5809192