245673987 is an odd 9-digits composite number following 245673986
and preceding 245673988 . In scientific notation, it is written as 2.45673987 × 10^8.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 139829760 positive integers (up to 245673987) that are relatively prime to 245673987.
245673987 has 32 divisors, whose sum is 290594304
The reverse of 245673987 is 789376542
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred forty-five million six hundred seventy-three thousand nine hundred eighty-seven
Scientific notation
2.45673987 × 10^8
Engineering notation
2.45673987 × 10^6
Prime Factorization
51 × 17 × 13 × 71 × 307
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
245673987
Product of the distinct prime numbers
The prime factorization of 245673987 is 51 × 17 × 13 × 71 × 307.
Since it has a total of 5 prime factors.
8 , 4 , 70 , 88 , 408 , 916 , 9436 , 5544 , 19850 , 44216 , 147251 , 344800 , 545831 , 365390 , 48266530 , 80256404 , 217662987 , 931190229 , 9718487468 , 3438914989
n×2
491347974
n×3
737021961
n×4
982695948
n×5
1228369935
n÷2
122836993.5
n÷3
81891329
n÷3
61418496.75
n÷5
49134797.4
n2
60355707888476169
n3
1.4827827395169E+25
n4
3.6428114747191E+33
n5
8.9494401888358E+41
2 √n
15673.990780908
3 √n
626.30573907968
4 √n
125.19580975779
5 √n
47.650979773835
1 , 13 , 17 , 51 , 71 , 221 , 307 , 663 , 867 , 923 , 1207 , 3621 , 3991 , 5219 , 11271 , 15657 , 15691 , 21797 , 47073 , 61557 , 67847 , 203541 , 266169 , 283361 , 370549 , 800241 , 1111647 , 3460197 , 4817137 , 14451411 , 18897999 , 245673987
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-245673986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 245673987 can be divided by 32 positive divisors.
The sum of these divisors (counting 245673987) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110101001001011000000000011
3
Ternary
122010021112100120
4
Quaternary
32221023000003
5
Quinary
1000343031422
6
Senary
40213351323
8
Octal
1651130003
10
Decimal
245673987
12
Duodecimal
6a338543
16
Hexadecimal
ea4b003
20
Vigesimal
3gf94j7
36
Base36
429n9f
md5
34e88e8cd4861a5cd59604faa2367f67
sha1
edd9b9d6e9edf5f20410444e0512dd96a8d0d5d0
sha256
dda241d31060328e024bccd3945dea7b1cea5d5e5434ac55355fcca8df85282c
sha512
828f3a0a0ba9de0f0b680f5443191f250b2bc90272c5fae094d312fd3043ddf0e3e9a4a86fcc685c89cfea8c6e0d20fde8c5388f88833d2a2c67d863327710ec
ripemd-160
9adfc71aaea0fc946be61bd7e8a16b24e35b3034
Diameter
491347974
Circumference
1543615185.4746
Area
1.8961304850465E+17
Volume
6.2110658151148E+25
Surface area
7.5845219401859E+17
Circumference
1543615185.4746
Perimeter
982695948
Area
60355707888476169
Diagonal
347435484.33767
Surface area
362134247330857014
Volume
1.4827827395169E+25
Space diagonal
425519827.58202
Perimeter
737021961
Area
2.6134788147407E+16
Altitude
212759913.79101
Surface area
2.6134788147407E+16
Volume
1.747476216898E+24
Height
115811828.11256