864156921 is an odd 9-digits composite number following 864156920
and preceding 864156922 . In scientific notation, it is written as 8.64156921 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 573119232 positive integers (up to 864156921) that are relatively prime to 864156921.
864156921 has 8 divisors, whose sum is 1158180000
The reverse of 864156921 is 129651468
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
eight hundred sixty-four million one hundred fifty-six thousand nine hundred twenty-one
Scientific notation
8.64156921 × 10^8
Engineering notation
8.64156921 × 10^6
Prime Factorization
3 × 193 × 1492499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
864156921
Product of the distinct prime numbers
The prime factorization of 864156921 is 3 × 193 × 1492499.
Since it has a total of 3 prime factors.
2 , 7 , 46 , 48 , 438 , 379 , 8294 , 6904 , 65649 , 32940 , 828426 , 748896 , 7664751 , 9130471 , 39724459 , 30230676 , 693024489 , 5741765 , 4527603921 , 523240110
n×2
1728313842
n×3
2592470763
n×4
3456627684
n×5
4320784605
n÷2
432078460.5
n÷3
288052307
n÷3
216039230.25
n÷5
172831384.2
n2
746767184112200241
n3
6.4532403052624E+26
n4
5.5766122726686E+35
n5
4.8190680911602E+44
2 √n
29396.546072626
3 √n
952.49828893128
4 √n
171.45420984224
5 √n
61.279966965716
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
-864156920
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 864156921 can be divided by 8 positive divisors.
The sum of these divisors (counting 864156921) is 1, the average is 0.125.
Base
System
Value
2
Binary
110011100000011111110011111001
3
Ternary
2020020001201102220
4
Quaternary
303200133303321
5
Quinary
3232211010141
6
Senary
221425514253
8
Octal
6340376371
10
Decimal
864156921
12
Duodecimal
2014a2989
16
Hexadecimal
3381fcf9
20
Vigesimal
da0jc61
36
Base36
eahvqx
md5
cbfabaebbe6db63ab11de8b61f42c1a9
sha1
c910ed2e1beeed958e0ce73c58ed728b9bc5c5d2
sha256
01f5b92897f892a068e0d955265426d2d390095c035b59aee078580a3a8d2f2f
sha512
b06d12dcb13afc2c5383e85b31cf32a09ea71aa2de971a0ab2bd999660c5cef3c952248aa94e11770f567ca9b76c09e2560401b9a5e7b9b7d9b37f898267e980
ripemd-160
89a111d04f52f3dcb6e3227172adb0f79fa647c4
Diameter
1728313842
Circumference
5429658069.1248
Area
2.3460382995488E+18
Volume
2.7031269779816E+27
Surface area
9.3841531981953E+18
Circumference
5429658069.1248
Perimeter
3456627684
Area
746767184112200241
Diagonal
1222102437.6968
Surface area
4480603104673201446
Volume
6.4532403052624E+26
Space diagonal
1496763692.8843
Perimeter
2592470763
Area
3.2335967607687E+17
Altitude
748381846.44214
Surface area
3.2335967607687E+17
Volume
7.605216634129E+25
Height
407367479.23226