868993921 is an odd 9-digits composite number following 868993920
and preceding 868993922 . In scientific notation, it is written as 8.68993921 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 856754500 positive integers (up to 868993921) that are relatively prime to 868993921.
868993921 has 4 divisors, whose sum is 881233344
The reverse of 868993921 is 129399868
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
eight hundred sixty-eight million nine hundred ninety-three thousand nine hundred twenty-one
Scientific notation
8.68993921 × 10^8
Engineering notation
8.68993921 × 10^6
Prime Factorization
71 × 12239351
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
868993921
Product of the distinct prime numbers
The prime factorization of 868993921 is 71 × 12239351.
Since it has a total of 2 prime factors.
7 , 3 , 27 , 77 , 7 , 247 , 4972 , 6376 , 3224 , 60819 , 374553 , 709368 , 4804582 , 9772408 , 44299182 , 78792562 , 575931977 , 875521246 , 1637453958 , 8295903054
n×2
1737987842
n×3
2606981763
n×4
3475975684
n×5
4344969605
n÷2
434496960.5
n÷3
289664640.33333
n÷3
217248480.25
n÷5
173798784.2
n2
755150434734954241
n3
6.5622113722518E+26
n4
5.7025217908039E+35
n5
4.9554567705786E+44
2 √n
29478.702837812
3 √n
954.27214297041
4 √n
171.69363074329
5 √n
61.348415129401
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
-868993920
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 868993921 can be divided by 4 positive divisors.
The sum of these divisors (counting 868993921) is 1, the average is 0.25.
Base
System
Value
2
Binary
110011110010111100101110000001
3
Ternary
2020120011110120001
4
Quaternary
303302330232001
5
Quinary
3234430301141
6
Senary
222121320001
8
Octal
6362745601
10
Decimal
868993921
12
Duodecimal
203036001
16
Hexadecimal
33cbcb81
20
Vigesimal
dbb44g1
36
Base36
eddk01
md5
c0ba059c48cddb86ad6cd9a1c5e3f8d9
sha1
987a70cb9dd34c948f8b5590d46daf140ebac836
sha256
fb7b4461a1d4aafd7413fc111f879ad571f198014eb11b2688708b8a7e378d65
sha512
f943b8427aa343dfe09daa7de2a2874725d9a78fef52ea5709c6a6f70a26e218b63ed23c210f729dc479afd7ff7be48f8a9e2ef2d5d769b3e906af3cc0dd82e1
ripemd-160
9ff1045ffa6657010b2676b838f770315c5c609d
Diameter
1737987842
Circumference
5460049836.4556
Area
2.3723750581185E+18
Volume
2.7487726717826E+27
Surface area
9.4895002324739E+18
Circumference
5460049836.4556
Perimeter
3475975684
Area
755150434734954241
Diagonal
1228942988.698
Surface area
4530902608409725446
Volume
6.5622113722518E+26
Space diagonal
1505141622.6405
Perimeter
2606981763
Area
3.2698973007967E+17
Altitude
752570811.32025
Surface area
3.2698973007967E+17
Volume
7.7336402681646E+25
Height
409647662.89932