25218994 is an even 8-digits composite number following 25218993
and preceding 25218995 . In scientific notation, it is written as 2.5218994 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 12061236 positive integers (up to 25218994) that are relatively prime to 25218994.
25218994 has 8 divisors, whose sum is 39473280
The reverse of 25218994 is 49981252
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-five million two hundred eighteen thousand nine hundred ninety-four
Scientific notation
2.5218994 × 10^7
Engineering notation
2.5218994 × 10^6
Prime Factorization
2 × 23 × 548239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
25218994
Product of the distinct prime numbers
The prime factorization of 25218994 is 2 × 23 × 548239.
Since it has a total of 3 prime factors.
8 , 1 , 7 , 63 , 212 , 513 , 891 , 3778 , 23605 , 11639 , 559509 , 271081 , 1869903 , 1609985 , 48215025 , 50205552 , 993181881 , 648621612 , 7768481155 , 4435031821
n×2
50437988
n×3
75656982
n×4
100875976
n×5
126094970
n÷2
12609497
n÷3
8406331.3333333
n÷3
6304748.5
n÷5
5043798.8
n2
635997658372036
n3
1.6039221130498E+22
n4
4.0449302145471E+29
n5
1.0200907081108E+37
2 √n
5021.8516505369
3 √n
293.25308267269
4 √n
70.865024169451
5 √n
30.2235553776
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
-25218993
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 25218994 can be divided by 8 positive divisors.
The sum of these divisors (counting 25218994) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000001100111110110010
3
Ternary
1202110020221211
4
Quaternary
1200030332302
5
Quinary
22424001434
6
Senary
2300310334
8
Octal
140147662
10
Decimal
25218994
12
Duodecimal
85423aa
16
Hexadecimal
180cfb2
20
Vigesimal
7hc79e
36
Base36
f0j3m
md5
acc5c101db0b0303162eeacf8d43db6c
sha1
b98e156a422c6f4d907db33cdc2bb8d5dfab22ac
sha256
f9585e98dcb1d00604b5ed019f6adbc9d7d539f34c7e2f56739d692edc1be9f4
sha512
c9dd55bc1628eab06254c50ce3064e1180edd054ddc3055a015db0d4f278df8091f5bde6a855edf90e06377f2c3b1505497bd1f70307adffdbab75547034cbe1
ripemd-160
3f647f11a08295d0cb49975271f9a2adcf27dcf6
Diameter
50437988
Circumference
158455612.56265
Area
1.9980455712419E+15
Volume
6.7184932363835E+22
Surface area
7.9921822849676E+15
Circumference
158455612.56265
Perimeter
100875976
Area
635997658372036
Diagonal
35665043.344206
Surface area
3815985950232216
Volume
1.6039221130498E+22
Space diagonal
43680578.923775
Perimeter
75656982
Area
2.753950644488E+14
Altitude
21840289.461887
Surface area
2.753950644488E+14
Volume
1.890240337721E+21
Height
11888347.781402