47921891 is an odd 8-digits composite number following 47921890
and preceding 47921892 . In scientific notation, it is written as 4.7921891 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 46269384 positive integers (up to 47921891) that are relatively prime to 47921891.
47921891 has 4 divisors, whose sum is 49574400
The reverse of 47921891 is 19812974
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
forty-seven million nine hundred twenty-one thousand eight hundred ninety-one
Scientific notation
4.7921891 × 10^7
Engineering notation
4.7921891 × 10^6
Prime Factorization
29 × 1652479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
47921891
Product of the distinct prime numbers
The prime factorization of 47921891 is 29 × 1652479.
Since it has a total of 2 prime factors.
1 , 8 , 51 , 18 , 409 , 682 , 7846 , 2330 , 32605 , 95535 , 145108 , 111769 , 2085117 , 6115451 , 29946391 , 51897699 , 654080818 , 720901060 , 2976378030 , 8447426458
n×2
95843782
n×3
143765673
n×4
191687564
n×5
239609455
n÷2
23960945.5
n÷3
15973963.666667
n÷3
11980472.75
n÷5
9584378.2
n2
2296507637015881
n3
1.1005298866174E+23
n4
5.2739473268723E+30
n5
2.5273752893811E+38
2 √n
6922.5639036415
3 √n
363.22688171903
4 √n
83.201946513537
5 √n
34.364243632802
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
-47921890
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 47921891 can be divided by 4 positive divisors.
The sum of these divisors (counting 47921891) is 1, the average is 0.25.
Base
System
Value
2
Binary
10110110110011101011100011
3
Ternary
10100011200110212
4
Quaternary
2312303223203
5
Quinary
44232000031
6
Senary
4431044335
8
Octal
266635343
10
Decimal
47921891
12
Duodecimal
140706ab
16
Hexadecimal
2db3ae3
20
Vigesimal
eja4eb
36
Base36
sj4rn
md5
a1d0847e85fb9bffdfd0cc4b977e3fa8
sha1
fbfa1144fa1403c1782e5f77a111344112dbe376
sha256
e4278757ea92a0eae31df3ee2c88f8d6ddf4c719ae80406b1f1d9218a39afe12
sha512
dd28e1ffb6375fdacfd3c8e373830f93c673467ec4efc668c0d8420c67c1b2b1f2a0c819b1a247b88a51a3ce5074998eee52e4f0dd2bae6afca8f28f63599f20
ripemd-160
3737a8246a10aeb453ea03a2a248b12149056dd5
Diameter
95843782
Circumference
301102121.42346
Area
7.2146915213619E+15
Volume
4.6098888091378E+23
Surface area
2.8858766085448E+16
Circumference
301102121.42346
Perimeter
191687564
Area
2296507637015881
Diagonal
67771788.186765
Surface area
13779045822095286
Volume
1.1005298866174E+23
Space diagonal
83003150.006778
Perimeter
143765673
Area
9.9441697682036E+14
Altitude
41501575.003389
Surface area
9.9441697682036E+14
Volume
1.2969869095427E+22
Height
22590596.062255