1987388613 is an odd 10-digits composite number following 1987388612
and preceding 1987388614 . In scientific notation, it is written as 1.987388613 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 1107950400 positive integers (up to 1987388613) that are relatively prime to 1987388613.
1987388613 has 16 divisors, whose sum is 2585224320
The reverse of 1987388613 is 3168837891
Previous prime number is 41
Is Prime? no Number parity odd Number length 10 Sum of Digits 54 Digital Root 9
Name
one billion nine hundred eighty-seven million three hundred eighty-eight thousand six hundred thirteen
Scientific notation
1.987388613 × 10^9
Engineering notation
1.987388613 × 10^9
Prime Factorization
9 × 7 × 41 × 769411
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1987388613 Product of the distinct prime numbers
The prime factorization of 1987388613 is 9 × 7 × 41 × 769411.
Since it has a total of 4 prime factors.
5 , 6 , 86 , 17 , 851 , 981 , 2290 , 9334 , 93155 , 22193 , 840667 , 677896 , 6377850 , 5604751 , 54918414 , 27530050 , 942828831 , 463993779 , 7631018420 , 494917322
n×2
3974777226
n×3
5962165839
n×4
7949554452
n×5
9936943065
n÷2
993694306.5
n÷3
662462871
n÷3
496847153.25
n÷5
397477722.6
n2
3949713499082063769
n3
7.8496156326881E+27
n4
1.5600236724831E+37
n5
3.1003732827034E+46
2 √n44580.136978255
3 √n1257.2672386888
4 √n211.14008851532
5 √n72.386330175176
1 , 7 , 9 , 41 , 63 , 287 , 369 , 2583 , 769411 , 5385877 , 6924699 , 31545851 , 48472893 , 220820957 , 283912659 , 1987388613
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
-1987388612 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 1987388613 can be divided by 16 positive divisors.
The sum of these divisors (counting 1987388613) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110011101010010010011000101
3
Ternary
12010111121210122200
4
Quaternary
1312131102103011
5
Quinary
13032232413423
6
Senary
525112345113
8
Octal
16635222305
10
Decimal
1987388613
12
Duodecimal
4756a5199
16
Hexadecimal
767524c5
20
Vigesimal
1b113bad
36
Base36
wv8mv9
md5
f2639cc4eed8b8c1937f08684dde16f5
sha1
afb339b6e628f2841e3e328fb806e6c830b038f4
sha256
81875fcc5ad4c006ee48d73e0585c1c9280fb12c2de2f509c90b18b07d465e46
sha512
610a2f398c2668b986802fd8ccaea984ea13d8c4c93fb1bd0e0269aff15010b7e6db016c404c6aa7389065585285088166a86a03549e80dc6bf25ba6f532209b
ripemd-160
305fd11aa200855213994ec1ccd1309432076652
Diameter
3974777226
Circumference
12487130932.858
Area
1.2408390912501E+19
Volume
3.2880393073542E+28
Surface area
4.9633563650003E+19
Circumference
12487130932.858
Perimeter
7949554452
Area
3949713499082063769
Diagonal
2810591930.2105
Surface area
2.3698280994492E+19
Volume
7.8496156326881E+27
Space diagonal
3442258052.0998
Perimeter
5962165839
Area
1.7102761139377E+18
Altitude
1721129026.0499
Surface area
1.7102761139377E+18
Volume
9.2508607393028E+26
Height
936863976.73682