2215861 is an odd 7-digits composite number following 2215860
and preceding 2215862 . In scientific notation, it is written as 2.215861 × 10^6.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 2116800 positive integers (up to 2215861) that are relatively prime to 2215861.
2215861 has 8 divisors, whose sum is 2316600
The reverse of 2215861 is 1685122
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7
Name
two million two hundred fifteen thousand eight hundred sixty-one
Scientific notation
2.215861 × 10^6
Engineering notation
2.215861 × 10^6
Prime Factorization
29 × 109 × 701
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2215861
Product of the distinct prime numbers
The prime factorization of 2215861 is 29 × 109 × 701.
Since it has a total of 3 prime factors.
5 , 2 , 36 , 87 , 7 , 189 , 3726 , 4277 , 62123 , 39692 , 68864 , 680388 , 4668415 , 4778594 , 70503464 , 52828373 , 508230811 , 485744420 , 7178742869 , 4241875079
n×2
4431722
n×3
6647583
n×4
8863444
n×5
11079305
n÷2
1107930.5
n÷3
738620.33333333
n÷3
553965.25
n÷5
443172.2
n2
4910039971321
n3
1.0879966080891E+19
n4
2.410849251997E+25
n5
5.3421068343793E+31
2 √n
1488.5768371166
3 √n
130.3709523227
4 √n
38.58207922231
5 √n
18.582686610727
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2215860
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2215861 can be divided by 8 positive divisors.
The sum of these divisors (counting 2215861) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000011100111110110101
3
Ternary
11011120120221
4
Quaternary
20130332311
5
Quinary
1031401421
6
Senary
115254341
8
Octal
10347665
10
Decimal
2215861
12
Duodecimal
8aa3b1
16
Hexadecimal
21cfb5
20
Vigesimal
dgjd1
36
Base36
1bhrp
md5
a94314ff12c4aaf6b229f5925951e574
sha1
7b5c33136613ebdfac9aca14af4ce82e0134312e
sha256
c235877c6b1b18433ccfb2342cf3a456580ca19da050ec75c3ccc8fddd88bc25
sha512
6331e68a5c9165f97f1bf47dfa944e7578d3e2d1cf47a373f423cb21dc9346044fe0c10bcfb065174564db973834bfb67063bf1c31e96f2330028e427fb8af1a
ripemd-160
f28a3aa4ef200281680bd85365a7bbdd2afa87d0
Diameter
4431722
Circumference
13922665.277952
Area
15425345502734
Volume
4.5573895348046E+19
Surface area
61701382010937
Circumference
13922665.277952
Perimeter
8863444
Area
4910039971321
Diagonal
3133700.6785336
Surface area
29460239827926
Volume
1.0879966080891E+19
Space diagonal
3837983.8345104
Perimeter
6647583
Area
2126109674380.5
Altitude
1918991.9172552
Surface area
2126109674380.5
Volume
1.2822162991463E+18
Height
1044566.8928445