243906985 (number)

243906985 is an odd 9-digits composite number following 243906984 and preceding 243906986. In scientific notation, it is written as 2.43906985 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 165523968 positive integers (up to 243906985) that are relatively prime to 243906985.

Interesting facts

Basic properties

Name

Name two hundred forty-three million nine hundred six thousand nine hundred eighty-five

Notation

Scientific notation 2.43906985 × 10^8
Engineering notation 2.43906985 × 10^6

Prime Factorization of 243906985

Prime Factorization 7 × 5 × 97 × 71843

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 243906985
Product of the distinct prime numbers

The prime factorization of 243906985 is 7 × 5 × 97 × 71843. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 36, 99, 960, 979, 3820, 6614, 11183, 69506, 159519, 64430, 6180697, 1414553, 28969811, 87087849, 522846690, 811970142, 7202369960, 5645905511

Basic calculations (n = 243906985)

Multiplication

n×y
n×2 487813970
n×3 731720955
n×4 975627940
n×5 1219534925

Division

n÷y
n÷2 121953492.5
n÷3 81302328.333333
n÷3 60976746.25
n÷5 48781397

Exponentiation

ny
n2 59490617331790225
n3 1.4510177109186E+25
n4 3.5391335505175E+33
n5 8.6321939381907E+41

Nth Root

y√n
2√n 15617.521730415
3√n 624.80056356694
4√n 124.97008334164
5√n 47.582236095468

Divisors of 243906985

1, 5, 7, 35, 97, 485, 679, 3395, 71843, 359215, 502901, 2514505, 6968771, 34843855, 48781397, 243906985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -243906984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 243906985 can be divided by 16 positive divisors. The sum of these divisors (counting 243906985) is 1, the average is 0.0625.

Base conversion 243906985

Base System Value
2 Binary 1110100010011011100110101001
3 Ternary 121222221202111001
4 Quaternary 32202123212221
5 Quinary 444420010420
6 Senary 40111435001
8 Octal 1642334651
10 Decimal 243906985
12 Duodecimal 69825a61
16 Hexadecimal e89b9a9
20 Vigesimal 3g48795
36 Base36 417ru1

Cryptographic Hash Functions

md5 8ab4bfe1a2cd233df91749dee50a6651
sha1 c695a5720e74f8e6dc3be722981ea8cc6d0f71a3
sha256 4a7bbdc30bdaa446134a1e9f2e59204a9b0483ad323356960b477fe0a63c5079
sha512 94ee4724e2456d60c77639455d65a93cb174f4965d12b2e0d269c6c1a1a037035440f0ec7010c82c88f00d62772e607e8f5e52e242d426afd4ba64a966751fad
ripemd-160 3501b81c007393470e56f348c2c73968851aa217

243906985 as geometric shapes

Circle

Radius = n
Diameter 487813970
Circumference 1532512784.4705
Area 1.8689528636707E+17

Sphere

Radius = n
Volume 6.0780087744673E+25
Surface area 7.475811454683E+17
Circumference 1532512784.4705

Square

Length = n
Perimeter 975627940
Area 59490617331790225
Diagonal 344936566.14453

Cube

Length = n
Surface area 356943703990741350
Volume 1.4510177109186E+25
Space diagonal 422459290.34094

Equilateral Triangle

Length = n
Perimeter 731720955
Area 2.5760192948075E+16
Altitude 211229645.17047

Triangular Pyramid

Length = n
Surface area 2.5760192948075E+16
Volume 1.7100407716872E+24
Height 114978855.38151