989899981 (number)

989899981 is an odd 9-digits composite number following 989899980 and preceding 989899982. In scientific notation, it is written as 9.89899981 × 10^8. The sum of its digits is 70. It has a total of 4 prime factors and 16 positive divisors. There are 799727040 positive integers (up to 989899981) that are relatively prime to 989899981.

Interesting facts

Basic properties

Name

Name nine hundred eighty-nine million eight hundred ninety-nine thousand nine hundred eighty-one

Notation

Scientific notation 9.89899981 × 10^8
Engineering notation 9.89899981 × 10^6

Prime Factorization of 989899981

Prime Factorization 19 × 7 × 197 × 37781

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 989899981
Product of the distinct prime numbers

The prime factorization of 989899981 is 19 × 7 × 197 × 37781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 47, 8, 877, 796, 1048, 6445, 18962, 71511, 175471, 260833, 1116224, 7170408, 33970566, 76655074, 579303392, 218985101, 2538228435, 3044241924

Basic calculations (n = 989899981)

Multiplication

n×y
n×2 1979799962
n×3 2969699943
n×4 3959599924
n×5 4949499905

Division

n÷y
n÷2 494949990.5
n÷3 329966660.33333
n÷3 247474995.25
n÷5 197979996.2

Exponentiation

ny
n2 979901972383800361
n3 9.7000494384459E+26
n4 9.6020787548166E+35
n5 9.5050975769535E+44

Nth Root

y√n
2√n 31462.675998713
3√n 996.62192848229
4√n 177.37721386557
5√n 62.967762768449

Divisors of 989899981

1, 7, 19, 133, 197, 1379, 3743, 26201, 37781, 264467, 717839, 5024873, 7442857, 52099999, 141414283, 989899981

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 -989899980
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 989899981 can be divided by 16 positive divisors. The sum of these divisors (counting 989899981) is 1, the average is 0.0625.

Base conversion 989899981

Base System Value
2 Binary 111011000000001010110011001101
3 Ternary 2112222200010111021
4 Quaternary 323000022303031
5 Quinary 4011403244411
6 Senary 242120554141
8 Octal 7300126315
10 Decimal 989899981
12 Duodecimal 237622951
16 Hexadecimal 3b00accd
20 Vigesimal f96h9j1
36 Base36 gdczpp

Cryptographic Hash Functions

md5 d471f796d182a292bda2a6a1ebecf58b
sha1 af61109e5a0d1e120d016ea66ba571c0ee736338
sha256 410721122ade3af9c1a2a94a81a1f0c09ebb2038c8b05011defb2a9f173cd80a
sha512 33768cd8ae1bad1aa0d19e34494c54dd1e8cc421c57e3bf42f20c046f7fa7e751f8e40aa3c8924f208c56830c568a8152edf70613715358fdc92a97528bc2bee
ripemd-160 d28f5f271865ad71005fd3f1a13cb267e9a778df

989899981 as geometric shapes

Circle

Radius = n
Diameter 1979799962
Circumference 6219725016.1966
Area 3.0784528376791E+18

Sphere

Radius = n
Volume 4.0631472073706E+27
Surface area 1.2313811350716E+19
Circumference 6219725016.1966

Square

Length = n
Perimeter 3959599924
Area 979901972383800361
Diagonal 1399929978.5231

Cube

Length = n
Surface area 5879411834302802166
Volume 9.7000494384459E+26
Space diagonal 1714557061.5035

Equilateral Triangle

Length = n
Perimeter 2969699943
Area 4.2431000065142E+17
Altitude 857278530.75173

Triangular Pyramid

Length = n
Surface area 4.2431000065142E+17
Volume 1.143161789295E+26
Height 466643326.17436