987989997 (number)

987989997 is an odd 9-digits composite number following 987989996 and preceding 987989998. In scientific notation, it is written as 9.87989997 × 10^8. The sum of its digits is 75. It has a total of 3 prime factors and 8 positive divisors. There are 642595040 positive integers (up to 987989997) that are relatively prime to 987989997.

Interesting facts

Basic properties

Name

Name nine hundred eighty-seven million nine hundred eighty-nine thousand nine hundred ninety-seven

Notation

Scientific notation 9.87989997 × 10^8
Engineering notation 9.87989997 × 10^6

Prime Factorization of 987989997

Prime Factorization 3 × 41 × 8032439

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 987989997
Product of the distinct prime numbers

The prime factorization of 987989997 is 3 × 41 × 8032439. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 8, 83, 604, 81, 7605, 6483, 13275, 38259, 207523, 973887, 1300815, 164534, 96568465, 49906772, 947828701, 869255746, 9745733620, 5940201028

Basic calculations (n = 987989997)

Multiplication

n×y
n×2 1975979994
n×3 2963969991
n×4 3951959988
n×5 4939949985

Division

n÷y
n÷2 493994998.5
n÷3 329329999
n÷3 246997499.25
n÷5 197597999.4

Exponentiation

ny
n2 976124234172060009
n3 9.6440097919128E+26
n4 9.5281852053799E+35
n5 9.4137516724787E+44

Nth Root

y√n
2√n 31432.308171689
3√n 995.98053118345
4√n 177.29159080929
5√n 62.943445089825

Divisors of 987989997

1, 3, 41, 123, 8032439, 24097317, 329329999, 987989997

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 -987989996
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 987989997 can be divided by 8 positive divisors. The sum of these divisors (counting 987989997) is 1, the average is 0.125.

Base conversion 987989997

Base System Value
2 Binary 111010111000111000011111101101
3 Ternary 2112212002002111010
4 Quaternary 322320320133231
5 Quinary 4010411134442
6 Senary 242012015433
8 Octal 7270703755
10 Decimal 987989997
12 Duodecimal 236a61579
16 Hexadecimal 3ae387ed
20 Vigesimal f8eiejh
36 Base36 gc81yl

Cryptographic Hash Functions

md5 783e5bee20c363785a8fbfb496e63895
sha1 637228e539cb95296dfddc90858498bd80c6eb52
sha256 99e24cac918e893776f2abcf82f0f96de2bcfc3ecb7f4cd9ca1f8d012ba37ae2
sha512 339a0cca597c6bfa706c78f5fd7f3231b19adc4e3dc4ef94c22b1da55986a091a49ea8827596de7cf061bbe95edd8ce231d39ab24697d1281a0b1f23e95719a3
ripemd-160 62ad8a43cf33a1b237eeda9984da1f5a2a0daed1

987989997 as geometric shapes

Circle

Radius = n
Diameter 1975979994
Circumference 6207724232.7908
Area 3.0665847230659E+18

Sphere

Radius = n
Volume 4.0396733751228E+27
Surface area 1.2266338892264E+19
Circumference 6207724232.7908

Square

Length = n
Perimeter 3951959988
Area 976124234172060009
Diagonal 1397228853.2464

Cube

Length = n
Surface area 5856745405032360054
Volume 9.6440097919128E+26
Space diagonal 1711248872.1738

Equilateral Triangle

Length = n
Perimeter 2963969991
Area 4.2267419202132E+17
Altitude 855624436.08691

Triangular Pyramid

Length = n
Surface area 4.2267419202132E+17
Volume 1.1365574536152E+26
Height 465742951.08212