2721388 is an even 7-digits composite number following 2721387
and preceding 2721389 . In scientific notation, it is written as 2.721388 × 10^6.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 1360692 positive integers (up to 2721388) that are relatively prime to 2721388.
2721388 has 6 divisors, whose sum is 4762436
The reverse of 2721388 is 8831272
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 31
Digital Root 4
Name
two million seven hundred twenty-one thousand three hundred eighty-eight
Scientific notation
2.721388 × 10^6
Engineering notation
2.721388 × 10^6
Prime Factorization
2 × 2 × 680347
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1360694
Product of the distinct prime numbers
The prime factorization of 2721388 is 2 × 2 × 680347.
Since it has a total of 3 prime factors.
1 , 1 , 20 , 16 , 453 , 889 , 2830 , 2358 , 33961 , 27101 , 572243 , 578438 , 137700 , 7821283 , 32502612 , 50373152 , 37531049 , 540210896 , 8169133837 , 3655564504
n×2
5442776
n×3
8164164
n×4
10885552
n×5
13606940
n÷2
1360694
n÷3
907129.33333333
n÷3
680347
n÷5
544277.6
n2
7405952646544
n3
2.0154470660873E+19
n4
5.4848134602852E+25
n5
1.4926305533059E+32
2 √n
1649.6629958873
3 √n
139.61438099481
4 √n
40.616043577475
5 √n
19.362351194025
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2721387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2721388 can be divided by 6 positive divisors.
The sum of these divisors (counting 2721388) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010011000011001101100
3
Ternary
12010021001011
4
Quaternary
22120121230
5
Quinary
1144041023
6
Senary
134155004
8
Octal
12303154
10
Decimal
2721388
12
Duodecimal
ab2a64
16
Hexadecimal
29866c
20
Vigesimal
h0398
36
Base36
1mbu4
md5
42c29c8a20632947ae982de4903c89ae
sha1
143cd8e8169e714e4cda45dc87370859e9a22b82
sha256
ee39dbbe8ec913bf2dab0e5708dfa2a057d5a2da553e2112ba07543b46381fed
sha512
2478df5e43cf82bb4eab6347742468d5b1b8ea747b90a8be719479b1f88f3dd8666c8729ebb42697a96c5de043fce2b81735b2468db917eb9192ec4ea891ae6a
ripemd-160
42cfae4d62e71da31892a144ccdf3fc395b5c921
Diameter
5442776
Circumference
17098985.096735
Area
23266486427217
Volume
8.442284928692E+19
Surface area
93065945708866
Circumference
17098985.096735
Perimeter
10885552
Area
7405952646544
Diagonal
3848623.8180794
Surface area
44435715879264
Volume
2.0154470660873E+19
Space diagonal
4713582.2831083
Perimeter
8164164
Area
3206871565565.8
Altitude
2356791.1415541
Surface area
3206871565565.8
Volume
2.3752271459214E+18
Height
1282874.6060265