21695870 is an even 8-digits composite number following 21695869
and preceding 21695871 . In scientific notation, it is written as 2.1695870 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors.
There are 7315200 positive integers (up to 21695870) that are relatively prime to 21695870.
21695870 has 32 divisors, whose sum is 45372096
The reverse of 21695870 is 07859612
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million six hundred ninety-five thousand eight hundred seventy
Scientific notation
2.1695870 × 10^7
Engineering notation
2.1695870 × 10^6
Prime Factorization
2 × 7 × 5 × 61 × 5081
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21695870
Product of the distinct prime numbers
The prime factorization of 21695870 is 2 × 7 × 5 × 61 × 5081.
Since it has a total of 5 prime factors.
8 , 6 , 22 , 8 , 29 , 884 , 9116 , 4426 , 84136 , 97339 , 604017 , 313615 , 4599311 , 9645329 , 26848093 , 49173792 , 757849423 , 820544549 , 1147876613 , 4534189962
n×2
43391740
n×3
65087610
n×4
86783480
n×5
108479350
n÷2
10847935
n÷3
7231956.6666667
n÷3
5423967.5
n÷5
4339174
n2
470710775056900
n3
1.0212479783234E+22
n4
2.2156863375467E+29
n5
4.8071242740189E+36
2 √n
4657.8825661453
3 √n
278.90674889605
4 √n
68.248681790532
5 √n
29.327525021223
1 , 2 , 5 , 7 , 10 , 14 , 35 , 61 , 70 , 122 , 305 , 427 , 610 , 854 , 2135 , 4270 , 5081 , 10162 , 25405 , 35567 , 50810 , 71134 , 177835 , 309941 , 355670 , 619882 , 1549705 , 2169587 , 3099410 , 4339174 , 10847935 , 21695870
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
-21695869
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 21695870 can be divided by 32 positive divisors.
The sum of these divisors (counting 21695870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010110000110101111110
3
Ternary
1111211021010202
4
Quaternary
1102300311332
5
Quinary
21023231440
6
Senary
2053003502
8
Octal
122606576
10
Decimal
21695870
12
Duodecimal
7323592
16
Hexadecimal
14b0d7e
20
Vigesimal
6fbjda
36
Base36
cx0n2
md5
c332fc91b7c91b2ae818401034e531cb
sha1
062f846f0458fba79c90c63fb4a83ded06e4ba5e
sha256
ae1c8c4b70ff2f00acb84abfa6171369d5c482c9ef1b25944ffa6d90a8a1ac97
sha512
dacd08dee9759cf0c4530df88e4525a07007176ca028208f4f5dfd719b04c5b930bcc59024f6394fb49ef573eafe5a40f9b075dffc2a632269a77671fe9712f3
ripemd-160
8c0c9a9fc2c1dd44f68f78e06649eac4e1bd0aad
Diameter
43391740
Circumference
136319171.61048
Area
1.4787815128843E+15
Volume
4.2777935282589E+22
Surface area
5.9151260515373E+15
Circumference
136319171.61048
Perimeter
86783480
Area
470710775056900
Diagonal
30682593.601484
Surface area
2824264650341400
Volume
1.0212479783234E+22
Space diagonal
37578349.154409
Perimeter
65087610
Area
2.0382374451717E+14
Altitude
18789174.577205
Surface area
2.0382374451717E+14
Volume
1.2035522845759E+21
Height
10227531.200495