987993889 is an odd 9-digits prime number following 987993888
and preceding 987993890 . In scientific notation, it is written as 9.87993889 × 10^8.
The sum of its digits is 70. It has a total of 1 prime factors and 2 positive divisors.
There are 987993888 positive integers (up to 987993889) that are relatively prime to 987993889.
987993889 has 2 divisors, whose sum is 987993890
The reverse of 987993889 is 988399789
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 70
Digital Root 7
Name
nine hundred eighty-seven million nine hundred ninety-three thousand eight hundred eighty-nine
Scientific notation
9.87993889 × 10^8
Engineering notation
9.87993889 × 10^6
Prime Factorization
987993889
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
987993889
Product of the distinct prime numbers
The prime factorization of 987993889 is 987993889.
Since it has a total of 1 prime factors.
4 , 8 , 21 , 98 , 41 , 933 , 6069 , 5674 , 20716 , 38244 , 222513 , 38610 , 4762023 , 9950856 , 31424839 , 16033195 , 717137917 , 471286508 , 8312519871 , 5791492556
n×2
1975987778
n×3
2963981667
n×4
3951975556
n×5
4939969445
n÷2
493996944.5
n÷3
329331296.33333
n÷3
246998472.25
n÷5
197598777.8
n2
976131924701344321
n3
9.6441237646274E+26
n4
9.5283353442115E+35
n5
9.4139370924237E+44
2 √n
31432.370082448
3 √n
995.98183900747
4 √n
177.29176541072
5 √n
62.94349468051
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
987993890
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
493996945
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
31432.370098356
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999979757
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987993889 can be divided by 2 positive divisors.
The sum of these divisors (counting 987993889) is 987993890, the average is 493996945.
Base
System
Value
2
Binary
111010111000111001011100100001
3
Ternary
2112212002021211021
4
Quaternary
322320321130201
5
Quinary
4010411301024
6
Senary
242012045441
8
Octal
7270713441
10
Decimal
987993889
12
Duodecimal
236a63881
16
Hexadecimal
3ae39721
20
Vigesimal
f8ej4e9
36
Base36
gc84yp
md5
a7be177ec0b75373ad3777f648967b53
sha1
3bc8b8d8740a7801788057b747227bac58c4ab12
sha256
547ffe25479826cbf8b080d9e52eeacec4091d601dcdb483a7c57ab8b3699c79
sha512
c917b850ed8e12727189cf056668b0a5570576da98913e6c733cd3f77f04697b25fa4651a781b902d2b5b34eb71d41dc12b6827844675cc2db4d17dfd189bf12
ripemd-160
2ed2a7e5b2f71882189e03c4878dd82595e20ccd
Diameter
1975987778
Circumference
6207748686.948
Area
3.0666088835762E+18
Volume
4.0397211159019E+27
Surface area
1.2266435534305E+19
Circumference
6207748686.948
Perimeter
3951975556
Area
976131924701344321
Diagonal
1397234357.3655
Surface area
5856791548208065926
Volume
9.6441237646274E+26
Space diagonal
1711255613.3156
Perimeter
2963981667
Area
4.2267752211818E+17
Altitude
855627806.65778
Surface area
4.2267752211818E+17
Volume
1.1365708854284E+26
Height
465744785.78851