84657921 is an odd 8-digits composite number following 84657920
and preceding 84657922 . In scientific notation, it is written as 8.4657921 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 56438612 positive integers (up to 84657921) that are relatively prime to 84657921.
84657921 has 4 divisors, whose sum is 112877232
The reverse of 84657921 is 12975648
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-four million six hundred fifty-seven thousand nine hundred twenty-one
Scientific notation
8.4657921 × 10^7
Engineering notation
8.4657921 × 10^6
Prime Factorization
3 × 28219307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
84657921
Product of the distinct prime numbers
The prime factorization of 84657921 is 3 × 28219307.
Since it has a total of 2 prime factors.
1 , 8 , 26 , 30 , 858 , 398 , 339 , 8083 , 5901 , 56598 , 868182 , 449201 , 2014838 , 6692847 , 92637974 , 25568035 , 607191454 , 429609504 , 9994746919 , 6872713894
n×2
169315842
n×3
253973763
n×4
338631684
n×5
423289605
n÷2
42328960.5
n÷3
28219307
n÷3
21164480.25
n÷5
16931584.2
n2
7166963588042241
n3
6.0674023724636E+23
n4
5.1365367072323E+31
n5
4.3484851877447E+39
2 √n
9200.9739158417
3 √n
439.09234552926
4 √n
95.921707219178
5 √n
38.506453365906
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
-84657920
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 84657921 can be divided by 4 positive divisors.
The sum of these divisors (counting 84657921) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000010111100011100000001
3
Ternary
12220022001211120
4
Quaternary
11002330130001
5
Quinary
133133023141
6
Senary
12222302453
8
Octal
502743401
10
Decimal
84657921
12
Duodecimal
24427a29
16
Hexadecimal
50bc701
20
Vigesimal
16924g1
36
Base36
1eeigx
md5
1a8446e3bcaaf043106dd83f8f427ec8
sha1
6b4665a85012efd2456239c138229e9b5333e2c7
sha256
a4c573241be6509265fd26b55e5a9ef955af7d78854e80598b4b6c72c22f3470
sha512
6b7bd1d0190ee7606faf156cda2801ada6ec3ae296faeece1e74757de3254a87be0b3543c27f71210b667ddbe189a3d2d79436c0e983df841538d8baa32bca25
ripemd-160
8aa7bd6419d76fad4a3a69ac1800c424b87318eb
Diameter
169315842
Circumference
531921405.36357
Area
2.2515680156739E+16
Volume
2.5415075626273E+24
Surface area
9.0062720626956E+16
Circumference
531921405.36357
Perimeter
338631684
Area
7166963588042241
Diagonal
119724380.04051
Surface area
43001781528253446
Volume
6.0674023724636E+23
Space diagonal
146631820.43515
Perimeter
253973763
Area
3.1033862676213E+15
Altitude
73315910.217576
Surface area
3.1033862676213E+15
Volume
7.1505022695939E+22
Height
39908126.68017