20993970 is an even 8-digits composite number following 20993969
and preceding 20993971 . In scientific notation, it is written as 2.0993970 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 5300736 positive integers (up to 20993970) that are relatively prime to 20993970.
20993970 has 32 divisors, whose sum is 35424000
The reverse of 20993970 is 07939902
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million nine hundred ninety-three thousand nine hundred seventy
Scientific notation
2.0993970 × 10^7
Engineering notation
2.0993970 × 10^6
Prime Factorization
2 × 15 × 29 × 59 × 409
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20993970
Product of the distinct prime numbers
The prime factorization of 20993970 is 2 × 15 × 29 × 59 × 409.
Since it has a total of 5 prime factors.
1 , 8 , 86 , 86 , 668 , 567 , 9742 , 318 , 2576 , 76574 , 408084 , 121612 , 3107832 , 7547391 , 64683643 , 92748308 , 288109307 , 891641133 , 7729200980 , 6526559656
n×2
41987940
n×3
62981910
n×4
83975880
n×5
104969850
n÷2
10496985
n÷3
6997990
n÷3
5248492.5
n÷5
4198794
n2
440746776360900
n3
9.2530246005174E+21
n4
1.9425772087253E+29
n5
4.0782407642662E+36
2 √n
4581.9177207802
3 √n
275.86600826451
4 √n
67.689864239635
5 √n
29.13526110101
1 , 2 , 15 , 29 , 30 , 58 , 59 , 118 , 409 , 435 , 818 , 870 , 885 , 1711 , 1770 , 3422 , 6135 , 11861 , 12270 , 23722 , 24131 , 25665 , 48262 , 51330 , 177915 , 355830 , 361965 , 699799 , 723930 , 1399598 , 10496985 , 20993970
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20993969
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20993970 can be divided by 32 positive divisors.
The sum of these divisors (counting 20993970) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000101011110110010
3
Ternary
1110111121022110
4
Quaternary
1100011132302
5
Quinary
20333301340
6
Senary
2025550150
8
Octal
120053662
10
Decimal
20993970
12
Duodecimal
7045356
16
Hexadecimal
14057b2
20
Vigesimal
6b44ia
36
Base36
chz1u
md5
6aa1ea2f55796735f3ffd98947e1b1f4
sha1
05a88802089b12b35147b4c43f353083ef72baa4
sha256
f0397d87476b4e60e7c00718e383ab7ded513eec6cf720231ea0df45cb5095cc
sha512
83bc4682724dbab86a210d7f42c63098f853b57810f678ed6fb5438532ed7b1c3420f063d863bc7a183a82c1e27fe56b12ab3f02ea249423abffb57252857d4f
ripemd-160
52f02313f531dbf133a1031bad2c0587c2e5f622
Diameter
41987940
Circumference
131909003.84337
Area
1.3846468347088E+15
Volume
3.8758978811295E+22
Surface area
5.5385873388351E+15
Circumference
131909003.84337
Perimeter
83975880
Area
440746776360900
Diagonal
29689957.102054
Surface area
2644480658165400
Volume
9.2530246005174E+21
Space diagonal
36362622.692577
Perimeter
62981910
Area
1.9084895248232E+14
Altitude
18181311.346288
Surface area
1.9084895248232E+14
Volume
1.0904794069186E+21
Height
9896652.3673513