2155407 is an odd 7-digits composite number following 2155406
and preceding 2155408 . In scientific notation, it is written as 2.155407 × 10^6.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 1428288 positive integers (up to 2155407) that are relatively prime to 2155407.
2155407 has 8 divisors, whose sum is 2891184
The reverse of 2155407 is 7045512
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 24
Digital Root 6
Name
two million one hundred fifty-five thousand four hundred seven
Scientific notation
2.155407 × 10^6
Engineering notation
2.155407 × 10^6
Prime Factorization
3 × 173 × 4153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2155407
Product of the distinct prime numbers
The prime factorization of 2155407 is 3 × 173 × 4153.
Since it has a total of 3 prime factors.
7 , 3 , 62 , 23 , 120 , 387 , 5358 , 7850 , 51934 , 53220 , 666648 , 740777 , 1176174 , 5305739 , 19327071 , 33574689 , 787383934 , 139407280 , 3898367243 , 2235655981
n×2
4310814
n×3
6466221
n×4
8621628
n×5
10777035
n÷2
1077703.5
n÷3
718469
n÷3
538851.75
n÷5
431081.4
n2
4645779335649
n3
1.0013545300513E+19
n4
2.1583265635543E+25
n5
4.6520721833709E+31
2 √n
1468.1304437958
3 √n
129.17439306308
4 √n
38.316190361201
5 √n
18.480165565756
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
-2155406
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 2155407 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155407) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001110001110001111
3
Ternary
11001111122220
4
Quaternary
20032032033
5
Quinary
1022433112
6
Senary
114110423
8
Octal
10161617
10
Decimal
2155407
12
Duodecimal
87b413
16
Hexadecimal
20e38f
20
Vigesimal
d98a7
36
Base36
1a74f
md5
ab5d3785fde12885544b93e6f9ca3ddd
sha1
72169b75caff131db2b11012c5a403b0fde42ec7
sha256
afe890a3df2f1a732eea6f5c65e9c6c26c29c6b673da9d8de5bef5ac567a809e
sha512
0ad7ffcc6862468b8a1f75fa9ba9bc1a14f079caf3557d5f86a25bd1e4d1270b008a2aed1447b061e6eea604d06f76c200e2783ba877c9367a9c7f2d97689519
ripemd-160
be700e6746e6f4d6d907a22c8ed8984560dc4051
Diameter
4310814
Circumference
13542821.593392
Area
14595146231074
Volume
4.1944640469974E+19
Surface area
58380584924297
Circumference
13542821.593392
Perimeter
8621628
Area
4645779335649
Diagonal
3048205.8118339
Surface area
27874676013894
Volume
1.0013545300513E+19
Space diagonal
3733274.4349896
Perimeter
6466221
Area
2011681462524.4
Altitude
1866637.2174948
Surface area
2011681462524.4
Volume
1.1801076309519E+18
Height
1016068.6039446