2155221615 is an odd 10-digits composite number following 2155221614
and preceding 2155221616 . In scientific notation, it is written as 2.155221615 × 10^9.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 1149451520 positive integers (up to 2155221615) that are relatively prime to 2155221615.
2155221615 has 8 divisors, whose sum is 3448354608
The reverse of 2155221615 is 5161225512
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 30
Digital Root 3
Name
two billion one hundred fifty-five million two hundred twenty-one thousand six hundred fifteen
Scientific notation
2.155221615 × 10^9
Engineering notation
2.155221615 × 10^9
Prime Factorization
5 × 3 × 143681441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2155221615
Product of the distinct prime numbers
The prime factorization of 2155221615 is 5 × 3 × 143681441.
Since it has a total of 3 prime factors.
3 , 6 , 7 , 27 , 841 , 988 , 896 , 7757 , 48523 , 17268 , 490654 , 765842 , 6382238 , 5422864 , 18431447 , 13211677 , 664104083 , 128855476 , 1329970989 , 6543338816
n×2
4310443230
n×3
6465664845
n×4
8620886460
n×5
10776108075
n÷2
1077610807.5
n÷3
718407205
n÷3
538805403.75
n÷5
431044323
n2
4644980209763208225
n3
1.0010961749329E+28
n4
2.1575841149092E+37
n5
4.6500719206329E+46
2 √n
46424.364454454
3 √n
1291.7068955814
4 √n
215.4631394333
5 √n
73.569598648506
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
-2155221614
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 2155221615 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155221615) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000011101100001001001101111
3
Ternary
12120012102121020210
4
Quaternary
2000131201021233
5
Quinary
13403214042430
6
Senary
553505513503
8
Octal
20035411157
10
Decimal
2155221615
12
Duodecimal
501942893
16
Hexadecimal
8076126f
20
Vigesimal
1dda2e0f
36
Base36
zn5vn3
md5
0f3282cad507116cbf5f921ea638821e
sha1
a33a11795aba1ed9a78fcbe6bc454847cb2ce0bd
sha256
e31ee26acb53231be8b5ced0bd2bb5b5b0d69f2b684fae51f78fdfebaef09dd7
sha512
e8fa85dab2990857a5f179b99ea1fc05390fe388d165c3b1ceabb35fa4d89058716d05074204f7fba4fc374c66f116409d85443c9dcdd6cb218bc2ade075c956
ripemd-160
d5023c2791ee271fd9f44e29172b881237d47b11
Diameter
4310443230
Circumference
13541656785.084
Area
1.4592635703062E+19
Volume
4.193381851608E+28
Surface area
5.8370542812248E+19
Circumference
13541656785.084
Perimeter
8620886460
Area
4644980209763208225
Diagonal
3047943637.8526
Surface area
2.7869881258579E+19
Volume
1.0010961749329E+28
Space diagonal
3732953338.7506
Perimeter
6465664845
Area
2.0113354308655E+18
Altitude
1866476669.3753
Surface area
2.0113354308655E+18
Volume
1.1798031565249E+27
Height
1015981212.6175