1213902021 is an odd 10-digits composite number following 1213902020
and preceding 1213902022 . In scientific notation, it is written as 1.213902021 × 10^9.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 804796560 positive integers (up to 1213902021) that are relatively prime to 1213902021.
1213902021 has 8 divisors, whose sum is 1627478944
The reverse of 1213902021 is 1202093121
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 21
Digital Root 3
Name
one billion two hundred thirteen million nine hundred two thousand twenty-one
Scientific notation
1.213902021 × 10^9
Engineering notation
1.213902021 × 10^9
Prime Factorization
3 × 181 × 2235547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1213902021
Product of the distinct prime numbers
The prime factorization of 1213902021 is 3 × 181 × 2235547.
Since it has a total of 3 prime factors.
3 , 2 , 5 , 92 , 421 , 424 , 6489 , 3063 , 32556 , 94961 , 685598 , 693428 , 7399811 , 3799066 , 16209433 , 30573911 , 872343975 , 729079299 , 5028206878 , 4580506730
n×2
2427804042
n×3
3641706063
n×4
4855608084
n×5
6069510105
n÷2
606951010.5
n÷3
404634007
n÷3
303475505.25
n÷5
242780404.2
n2
1473558116587884441
n3
1.788755175787E+27
n4
2.171373522962E+36
n5
2.6358347078695E+45
2 √n
34841.096724988
3 √n
1066.7464628563
4 √n
186.65769934559
5 √n
65.589863470887
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
-1213902020
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 1213902021 can be divided by 8 positive divisors.
The sum of these divisors (counting 1213902021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000010110101010110011000101
3
Ternary
10010121011121112010
4
Quaternary
1020112222303011
5
Quinary
4441224331041
6
Senary
320242044433
8
Octal
11026526305
10
Decimal
1213902021
12
Duodecimal
29a649719
16
Hexadecimal
485aacc5
20
Vigesimal
ij6hf11
36
Base36
k2q4sl
md5
e7f5254af20766d4fc831c0f65502cab
sha1
7adeb103159e7d02033d0ca31b32af8652dab3e8
sha256
338f2c2ec34496e79dd0a939e8f7a2f97a72f42a8ffac6f0cbe5294dacc63ce1
sha512
e235a31e3064d9d88d3b8f4a1060ebc78fbf47bfe01b6b581af87c80448547d842fd5159c9d57eb28350875d311127d1d61caf5862d1f2882d0e0a00b6c536a9
ripemd-160
d6acec879b529ee54682756fbaef27e8639e58fe
Diameter
2427804042
Circumference
7627171342.7028
Area
4.6293193537101E+18
Volume
7.4927201590975E+27
Surface area
1.851727741484E+19
Circumference
7627171342.7028
Perimeter
4855608084
Area
1473558116587884441
Diagonal
1716716701.4903
Surface area
8841348699527306646
Volume
1.788755175787E+27
Space diagonal
2102539975.7825
Perimeter
3641706063
Area
6.3806938145893E+17
Altitude
1051269987.8913
Surface area
6.3806938145893E+17
Volume
2.1080681911359E+26
Height
572238900.49677