1985440 (number)

1985440 is an even 7-digits composite number following 1985439 and preceding 1985441. In scientific notation, it is written as 1.985440 × 10^6. The sum of its digits is 31. It has a total of 7 prime factors and 24 positive divisors. There are 794112 positive integers (up to 1985440) that are relatively prime to 1985440.

Interesting facts

Basic properties

Name

Name one million nine hundred eighty-five thousand four hundred forty

Notation

Scientific notation 1.985440 × 10^6
Engineering notation 1.985440 × 10^6

Prime Factorization of 1985440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 12409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 124090
Product of the distinct prime numbers

The prime factorization of 1985440 is 2 × 2 × 2 × 2 × 2 × 5 × 12409. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 8, 59, 5, 455, 833, 4470, 4723, 53260, 74475, 690805, 208761, 2809796, 1514781, 27002988, 43422847, 242729300, 158713076, 3801809978, 161157679

Basic calculations (n = 1985440)

Multiplication

n×y
n×2 3970880
n×3 5956320
n×4 7941760
n×5 9927200

Division

n÷y
n÷2 992720
n÷3 661813.33333333
n÷3 496360
n÷5 397088

Exponentiation

ny
n2 3941971993600
n3 7826548874973184000
n4 1.5539143198327E+25
n5 3.0852036471686E+31

Nth Root

y√n
2√n 1409.0564218654
3√n 125.6856192016
4√n 37.537400307764
5√n 18.179057086981

Divisors of 1985440

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 12409, 24818, 49636, 62045, 99272, 124090, 198544, 248180, 397088, 496360, 992720, 1985440

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 -1985439
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 1985440 can be divided by 24 positive divisors. The sum of these divisors (counting 1985440) is 1, the average is 0.041666666666667.

Base conversion 1985440

Base System Value
2 Binary 111100100101110100000
3 Ternary 10201212111211
4 Quaternary 13210232200
5 Quinary 1002013230
6 Senary 110315504
8 Octal 7445640
10 Decimal 1985440
12 Duodecimal 7b8b94
16 Hexadecimal 1e4ba0
20 Vigesimal c83c0
36 Base36 16jz4

Cryptographic Hash Functions

md5 96bc0f9f816de8813b4e0f69a8a9a656
sha1 0c2804425a137695b010d2de080ea69c0de5dffa
sha256 2ad212c66b7a451788d34b023c237c950edd16663b20b9b1fb3fecb4ddc3ae6f
sha512 095858424273a94a8c85d6c6b148534c47c2af91e493f0df5f49c920e252e3999ae19a31ba325e9f27fff1ef9304aaed6799a91d826dc8e41acc3ba2b555bd4e
ripemd-160 8f176debb8dd07e3cac954b7ed54377006a4df3b

1985440 as geometric shapes

Circle

Radius = n
Diameter 3970880
Circumference 12474887.436287
Area 12384070255750

Sphere

Radius = n
Volume 3.278377126477E+19
Surface area 49536281023002
Circumference 12474887.436287

Square

Length = n
Perimeter 7941760
Area 3941971993600
Diagonal 2807836.175278

Cube

Length = n
Surface area 23651831961600
Volume 7826548874973184000
Space diagonal 3438882.9553796

Equilateral Triangle

Length = n
Perimeter 5956320
Area 1706923943732.2
Altitude 1719441.4776898

Triangular Pyramid

Length = n
Surface area 1706923943732.2
Volume 9.2236763046358E+17
Height 935945.39175935