988891921 (number)

988891921 is an odd 9-digits composite number following 988891920 and preceding 988891922. In scientific notation, it is written as 9.88891921 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 930721792 positive integers (up to 988891921) that are relatively prime to 988891921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.88891921 × 10^8
Engineering notation 9.88891921 × 10^6

Prime Factorization of 988891921

Prime Factorization 17 × 58170113

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 988891921
Product of the distinct prime numbers

The prime factorization of 988891921 is 17 × 58170113. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 57, 87, 236, 261, 2303, 4780, 37294, 96976, 223833, 691962, 7685663, 8324843, 86437358, 98281876, 62471810, 837306143, 9398001392, 1317887995

Basic calculations (n = 988891921)

Multiplication

n×y
n×2 1977783842
n×3 2966675763
n×4 3955567684
n×5 4944459605

Division

n÷y
n÷2 494445960.5
n÷3 329630640.33333
n÷3 247222980.25
n÷5 197778384.2

Exponentiation

ny
n2 977907231419070241
n3 9.670445606378E+26
n4 9.5630255326171E+35
n5 9.4567986895218E+44

Nth Root

y√n
2√n 31446.651983955
3√n 996.28351182672
4√n 177.33203879715
5√n 62.954932956172

Divisors of 988891921

1, 17, 58170113, 988891921

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 -988891920
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 988891921 can be divided by 4 positive divisors. The sum of these divisors (counting 988891921) is 1, the average is 0.25.

Base conversion 988891921

Base System Value
2 Binary 111010111100010100101100010001
3 Ternary 2112220202220200201
4 Quaternary 322330110230101
5 Quinary 4011124020141
6 Senary 242043215201
8 Octal 7274245421
10 Decimal 988891921
12 Duodecimal 237217501
16 Hexadecimal 3af14b11
20 Vigesimal f90b9g1
36 Base36 gcrdw1

Cryptographic Hash Functions

md5 b2d1d849f38e3a3c54b12b0540085b5b
sha1 cd3fc8218f9b873b964dc6cc93d4a15fdb5d6dd1
sha256 42a9c60c8893ea2aeae0c3ca8b0c2ed5f09073bd01c2c8c9763d1d23a913487e
sha512 69b17d1a1b79a3b22c6c409b029161c1c040bc9ed3a8df4e958f437e28a8f0aea292196dbc3a493daa4025dbeed48ad6407e772f586eb18c42b9d808c717163e
ripemd-160 c91577af63a4f4e1b0c75d64105dc50b0875145b

988891921 as geometric shapes

Circle

Radius = n
Diameter 1977783842
Circumference 6213391188.4158
Area 3.0721861741185E+18

Sphere

Radius = n
Volume 4.0507467831916E+27
Surface area 1.2288744696474E+19
Circumference 6213391188.4158

Square

Length = n
Perimeter 3955567684
Area 977907231419070241
Diagonal 1398504366.3994

Cube

Length = n
Surface area 5867443388514421446
Volume 9.670445606378E+26
Space diagonal 1712811050.3664

Equilateral Triangle

Length = n
Perimeter 2966675763
Area 4.2344625247671E+17
Altitude 856405525.18319

Triangular Pyramid

Length = n
Surface area 4.2344625247671E+17
Volume 1.1396729442276E+26
Height 466168122.13313