249938985 (number)

249938985 is an odd 9-digits composite number following 249938984 and preceding 249938986. In scientific notation, it is written as 2.49938985 × 10^8. The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors. There are 133216320 positive integers (up to 249938985) that are relatively prime to 249938985.

Interesting facts

Basic properties

Name

Name two hundred forty-nine million nine hundred thirty-eight thousand nine hundred eighty-five

Notation

Scientific notation 2.49938985 × 10^8
Engineering notation 2.49938985 × 10^6

Prime Factorization of 249938985

Prime Factorization 15 × 1931 × 8629

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 249938985
Product of the distinct prime numbers

The prime factorization of 249938985 is 15 × 1931 × 8629. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 4, 16, 17, 345, 612, 2040, 9571, 49131, 96124, 352098, 474117, 1549680, 9653218, 12112437, 56375493, 744285164, 526770985, 114252242, 3839427686

Basic calculations (n = 249938985)

Multiplication

n×y
n×2 499877970
n×3 749816955
n×4 999755940
n×5 1249694925

Division

n÷y
n÷2 124969492.5
n÷3 83312995
n÷3 62484746.25
n÷5 49987797

Exponentiation

ny
n2 62469496222830225
n3 1.5613562479396E+25
n4 3.9024379583342E+33
n5 9.7537138233152E+41

Nth Root

y√n
2√n 15809.458719387
3√n 629.90927138899
4√n 125.73567003594
5√n 47.815290687696

Divisors of 249938985

1, 15, 1931, 8629, 28965, 129435, 16662599, 249938985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -249938984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 249938985 can be divided by 8 positive divisors. The sum of these divisors (counting 249938985) is 1, the average is 0.125.

Base conversion 249938985

Base System Value
2 Binary 1110111001011100010000101001
3 Ternary 122102022012211110
4 Quaternary 32321130100221
5 Quinary 1002441021420
6 Senary 40445020533
8 Octal 1671342051
10 Decimal 249938985
12 Duodecimal 6b854749
16 Hexadecimal ee5c429
20 Vigesimal 3i22795
36 Base36 44t25l

Cryptographic Hash Functions

md5 83f699ddd205512a3088a8b0420fad33
sha1 ae256888ba78a21d7eb099eedc946198d20b48fe
sha256 726d02153cbdc4af70bed02c73d8ede187f6d7b9a98f5f38264825ace30309f4
sha512 0ba9d12b4d3bf4526805172d069ce170c073db2dd53c6e799e3de211d9d163ad2467ccda85db350dde5049c3ad6d1a60eb5d23d235ce13b97afca4fa12b9f4ed
ripemd-160 cc77647d655b558f2b0f8fa20a14f32adebfac2e

249938985 as geometric shapes

Circle

Radius = n
Diameter 499877970
Circumference 1570412958.2434
Area 1.962537104071E+17

Sphere

Radius = n
Volume 6.5401937575512E+25
Surface area 7.850148416284E+17
Circumference 1570412958.2434

Square

Length = n
Perimeter 999755940
Area 62469496222830225
Diagonal 353467102.35277

Cube

Length = n
Surface area 374816977336981350
Volume 1.5613562479396E+25
Space diagonal 432907020.8122

Equilateral Triangle

Length = n
Perimeter 749816955
Area 2.7050085345294E+16
Altitude 216453510.4061

Triangular Pyramid

Length = n
Surface area 2.7050085345294E+16
Volume 1.8400759846101E+24
Height 117822367.45092