8420978087 is an odd 10-digits composite number following 8420978086
and preceding 8420978088 . In scientific notation, it is written as 8.420978087 × 10^9.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 7818688800 positive integers (up to 8420978087) that are relatively prime to 8420978087.
8420978087 has 16 divisors, whose sum is 9041310720
The reverse of 8420978087 is 7808790248
Previous prime number is 1031
Is Prime? no Number parity odd Number length 10 Sum of Digits 53 Digital Root 8
Name
eight billion four hundred twenty million nine hundred seventy-eight thousand eighty-seven
Scientific notation
8.420978087 × 10^9
Engineering notation
8.420978087 × 10^9
Prime Factorization
19 × 53 × 1031 × 8111
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
8420978087 Product of the distinct prime numbers
The prime factorization of 8420978087 is 19 × 53 × 1031 × 8111.
Since it has a total of 4 prime factors.
8 , 1 , 76 , 58 , 757 , 837 , 1929 , 5475 , 10446 , 41749 , 150208 , 41357 , 6663969 , 4567414 , 90599171 , 94357214 , 90617210 , 64923269 , 9140099465 , 4786860863
n×2
16841956174
n×3
25262934261
n×4
33683912348
n×5
42104890435
n÷2
4210489043.5
n÷3
2806992695.6667
n÷3
2105244521.75
n÷5
1684195617.4
n2
7.0912871941734E+19
n3
5.9715574070758E+29
n4
5.0286354070248E+39
n5
4.2346028570068E+49
2 √n91765.887381968
3 √n2034.4835331496
4 √n302.92884871198
5 √n96.621217906149
1 , 19 , 53 , 1007 , 1031 , 8111 , 19589 , 54643 , 154109 , 429883 , 1038217 , 8167777 , 8362441 , 158886379 , 443209373 , 8420978087
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
-8420978086 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 8420978087 can be divided by 16 positive divisors.
The sum of these divisors (counting 8420978087) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110101111011011110110110100111
3
Ternary
210201212120000021022
4
Quaternary
13311323132312213
5
Quinary
114221232244322
6
Senary
3511334441355
8
Octal
76573366647
10
Decimal
8420978087
12
Duodecimal
177020325b
16
Hexadecimal
1f5ededa7
20
Vigesimal
6bbb2547
36
Base36
3v9ms9z
md5
109745bd86e1a09ec59c8506703ba0ed
sha1
5e380040b69eb14d282795a6df00513d6568e758
sha256
8f8340140c76132e23fbcdf48ef4a3568efad32edfe2e4e9ad03cae2acda0bb1
sha512
e8e12340ea2c3f2f42c9278f84c34a47c75e8bf95f689e492e391f510801c797594c92d7d50b2621b00161c3a7d5a85233ce609e510b970d77ec2c67937667c5
ripemd-160
605ca119d500ca67f1f218f2ceca38c2ef6bcebe
Diameter
16841956174
Circumference
52910565788.32
Area
2.2277935753711E+20
Volume
2.5013601174079E+30
Surface area
8.9111743014842E+20
Circumference
52910565788.32
Perimeter
33683912348
Area
7.0912871941734E+19
Diagonal
11909061419.082
Surface area
4.2547723165041E+20
Volume
5.9715574070758E+29
Space diagonal
14585561896.108
Perimeter
25262934261
Area
3.0706174278427E+19
Altitude
7292780948.0541
Surface area
3.0706174278427E+19
Volume
7.0375478946468E+28
Height
3969687139.694