6781520121 is an odd 10-digits composite number following 6781520120
and preceding 6781520122 . In scientific notation, it is written as 6.781520121 × 10^9.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 4371520320 positive integers (up to 6781520121) that are relatively prime to 6781520121.
6781520121 has 16 divisors, whose sum is 9346038720
The reverse of 6781520121 is 1210251876
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 33
Digital Root 6
Name
six billion seven hundred eighty-one million five hundred twenty thousand one hundred twenty-one
Scientific notation
6.781520121 × 10^9
Engineering notation
6.781520121 × 10^9
Prime Factorization
3 × 59 × 61 × 628093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6781520121
Product of the distinct prime numbers
The prime factorization of 6781520121 is 3 × 59 × 61 × 628093.
Since it has a total of 4 prime factors.
9 , 7 , 11 , 96 , 409 , 986 , 8957 , 5052 , 4071 , 16400 , 262042 , 541040 , 5370333 , 4824968 , 40243448 , 33602919 , 627548317 , 247081011 , 7928553194 , 3519262217
n×2
13563040242
n×3
20344560363
n×4
27126080484
n×5
33907600605
n÷2
3390760060.5
n÷3
2260506707
n÷3
1695380030.25
n÷5
1356304024.2
n2
4.5989015151528E+19
n3
3.1187543159506E+29
n4
2.1149895146075E+39
n5
1.4342843949015E+49
2 √n
82349.985555554
3 √n
1892.8187014188
4 √n
286.96687187819
5 √n
92.526345860752
1 , 3 , 59 , 61 , 177 , 183 , 3599 , 10797 , 628093 , 1884279 , 37057487 , 38313673 , 111172461 , 114941019 , 2260506707 , 6781520121
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-6781520120
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6781520121 can be divided by 16 positive divisors.
The sum of these divisors (counting 6781520121) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010100001101011100100011111001
3
Ternary
122111121121220201220
4
Quaternary
12110031130203321
5
Quinary
102342032120441
6
Senary
3040531302253
8
Octal
62415344371
10
Decimal
6781520121
12
Duodecimal
139314a989
16
Hexadecimal
19435c8f9
20
Vigesimal
55j4a061
36
Base36
345jiex
md5
3cd0011b955241b022b2634427207d3d
sha1
86a6d5edad56e7e179b4823f37612938071bcbf4
sha256
77f9c13fb9e08b4d63e612d174b43023f233705578b8429c6bf374a66112c9a0
sha512
d80d34e417efdefbf4a38175543ac27075b75b4899bda9b5a5b1def364082e62b643d6d5e75e2febb1e5ec26fe7623518851f3cbcf1c4ad452d9b1d92f2d7a8f
ripemd-160
2c14591d6aa92d0d448e4bc76e9233e5ba8440ef
Diameter
13563040242
Circumference
42609547584.61
Area
1.4447875214587E+20
Volume
1.3063807529789E+30
Surface area
5.7791500858348E+20
Circumference
42609547584.61
Perimeter
27126080484
Area
4.5989015151528E+19
Diagonal
9590517728.6242
Surface area
2.7593409090917E+20
Volume
3.1187543159506E+29
Space diagonal
11745937402.123
Perimeter
20344560363
Area
1.9913827708125E+19
Altitude
5872968701.0613
Surface area
1.9913827708125E+19
Volume
3.6754872094391E+28
Height
3196839242.8747