83705921 is an odd 8-digits composite number following 83705920
and preceding 83705922 . In scientific notation, it is written as 8.3705921 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 73344960 positive integers (up to 83705921) that are relatively prime to 83705921.
83705921 has 16 divisors, whose sum is 94832640
The reverse of 83705921 is 12950738
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-three million seven hundred five thousand nine hundred twenty-one
Scientific notation
8.3705921 × 10^7
Engineering notation
8.3705921 × 10^6
Prime Factorization
13 × 31 × 53 × 3919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
83705921
Product of the distinct prime numbers
The prime factorization of 83705921 is 13 × 31 × 53 × 3919.
Since it has a total of 4 prime factors.
5 , 1 , 32 , 37 , 442 , 292 , 1438 , 9484 , 84579 , 97139 , 388135 , 649805 , 1625448 , 8107436 , 23716239 , 96050584 , 230800500 , 293772524 , 7783427259 , 2102191708
n×2
167411842
n×3
251117763
n×4
334823684
n×5
418529605
n÷2
41852960.5
n÷3
27901973.666667
n÷3
20926480.25
n÷5
16741184.2
n2
7006681210458241
n3
5.865007038748E+23
n4
4.9093581584989E+31
n5
4.1094234617601E+39
2 √n
9149.0939988613
3 √n
437.44023521034
4 √n
95.650896487494
5 √n
38.419458181901
1 , 13 , 31 , 53 , 403 , 689 , 1643 , 3919 , 21359 , 50947 , 121489 , 207707 , 1579357 , 2700191 , 6438917 , 83705921
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
-83705920
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 83705921 can be divided by 16 positive divisors.
The sum of these divisors (counting 83705921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111111010100000001000001
3
Ternary
12211111200221022
4
Quaternary
10333110001001
5
Quinary
132412042141
6
Senary
12150035225
8
Octal
477240101
10
Decimal
83705921
12
Duodecimal
24048b15
16
Hexadecimal
4fd4041
20
Vigesimal
16334g1
36
Base36
1du3wh
md5
8f5a247695d35f0e2bbce384211fc0ca
sha1
291de32d9a12cc9616827b986f20e4f1927e3aed
sha256
1dac8158190d5c4f71fe3fd2f76dd112dffe4642c838d3a54fa8a69e59b6b7ef
sha512
91acbd9c74e3f7f4c2a74285fe2f5e143711db1fcb593561d44da60d5d5ca335ea3aae89fe4ea110d3cf2acdb1c3bb5b5a6eb9f7031939969a628e7b34c3e778
ripemd-160
9e414f7b910d111d711cd278169d5ec0dca2091d
Diameter
167411842
Circumference
525939812.95114
Area
2.2012138216821E+16
Volume
2.4567284034911E+24
Surface area
8.8048552867285E+16
Circumference
525939812.95114
Perimeter
334823684
Area
7006681210458241
Diagonal
118378048.72913
Surface area
42040087262749446
Volume
5.865007038748E+23
Space diagonal
144982908.06635
Perimeter
251117763
Area
3.033981962238E+15
Altitude
72491454.033173
Surface area
3.033981962238E+15
Volume
6.9119770813426E+22
Height
39459349.576377