68985220 is an even 8-digits composite number following 68985219
and preceding 68985221 . In scientific notation, it is written as 6.8985220 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 27594080 positive integers (up to 68985220) that are relatively prime to 68985220.
68985220 has 12 divisors, whose sum is 144869004
The reverse of 68985220 is 02258986
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million nine hundred eighty-five thousand two hundred twenty
Scientific notation
6.8985220 × 10^7
Engineering notation
6.8985220 × 10^6
Prime Factorization
2 × 2 × 5 × 3449261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34492610
Product of the distinct prime numbers
The prime factorization of 68985220 is 2 × 2 × 5 × 3449261.
Since it has a total of 4 prime factors.
2 , 2 , 75 , 39 , 99 , 559 , 7128 , 3208 , 81240 , 19472 , 455211 , 583264 , 9843142 , 3883077 , 20932851 , 2583100 , 154828277 , 177469896 , 7006864078 , 5956968606
n×2
137970440
n×3
206955660
n×4
275940880
n×5
344926100
n÷2
34492610
n÷3
22995073.333333
n÷3
17246305
n÷5
13797044
n2
4758960578448400
n3
3.2829794247559E+23
n4
2.2647705787226E+31
n5
1.5623569662271E+39
2 √n
8305.7341638172
3 √n
410.12730530194
4 √n
91.135800670303
5 √n
36.961638124575
1 , 2 , 4 , 5 , 10 , 20 , 3449261 , 6898522 , 13797044 , 17246305 , 34492610 , 68985220
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68985219
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68985220 can be divided by 12 positive divisors.
The sum of these divisors (counting 68985220) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000111001010000110000100
3
Ternary
11210210210221011
4
Quaternary
10013022012010
5
Quinary
120130011340
6
Senary
10502332004
8
Octal
407120604
10
Decimal
68985220
12
Duodecimal
1b12a004
16
Hexadecimal
41ca184
20
Vigesimal
11b3310
36
Base36
152lc4
md5
0b3c1f9d7ed9b33ab0c7de87b21c0219
sha1
38ef11a7bd001896491f9c3c9ee646f471868fbd
sha256
c90bd24baa4a4196e5f7af902b79c7561c773c40cf4a85029b8526b4b6e77e0b
sha512
f3ad58f32b1d3ac2b5d01e9ace227b2b217be279c8062462360bc1bfd9c2684bc27f2451e7450c8de06e9cabbeb5939ae1aa825b8531882d2b793c2dbc05c925
ripemd-160
3e092bc4cb8d9c4bdb545bb83089639dca84379c
Diameter
137970440
Circumference
433446920.71655
Area
1.4950715591977E+16
Volume
1.3751712056933E+24
Surface area
5.9802862367908E+16
Circumference
433446920.71655
Perimeter
275940880
Area
4758960578448400
Diagonal
97559833.727292
Surface area
28553763470690400
Volume
3.2829794247559E+23
Space diagonal
119485906.01132
Perimeter
206955660
Area
2.0606903782725E+15
Altitude
59742953.005658
Surface area
2.0606903782725E+15
Volume
3.8690283562347E+22
Height
32519944.575764