802121945 is an odd 9-digits composite number following 802121944
and preceding 802121946 . In scientific notation, it is written as 8.02121945 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 638439424 positive integers (up to 802121945) that are relatively prime to 802121945.
802121945 has 8 divisors, whose sum is 967433544
The reverse of 802121945 is 549121208
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
eight hundred two million one hundred twenty-one thousand nine hundred forty-five
Scientific notation
8.02121945 × 10^8
Engineering notation
8.02121945 × 10^6
Prime Factorization
5 × 197 × 814337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
802121945
Product of the distinct prime numbers
The prime factorization of 802121945 is 5 × 197 × 814337.
Since it has a total of 3 prime factors.
5 , 8 , 9 , 45 , 977 , 896 , 8614 , 4350 , 39491 , 13060 , 237597 , 477046 , 1461919 , 6205183 , 68274415 , 58776504 , 336019568 , 951191691 , 8923552591 , 7145663716
n×2
1604243890
n×3
2406365835
n×4
3208487780
n×5
4010609725
n÷2
401060972.5
n÷3
267373981.66667
n÷3
200530486.25
n÷5
160424389
n2
643399614650583025
n3
5.1608495031578E+26
n4
4.1396306413252E+35
n5
3.3204885816014E+44
2 √n
28321.757449
3 √n
929.13780846603
4 √n
168.29069329289
5 √n
60.373739932933
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
-802121944
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 802121945 can be divided by 8 positive divisors.
The sum of these divisors (counting 802121945) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111110011110110100011011001
3
Ternary
2001220100000110012
4
Quaternary
233303312203121
5
Quinary
3120320400240
6
Senary
211332131305
8
Octal
5763664331
10
Decimal
802121945
12
Duodecimal
1a4766b35
16
Hexadecimal
2fcf68d9
20
Vigesimal
cad54h5
36
Base36
d9k995
md5
43e3bbbdb2eb70d0441a467acc34ab90
sha1
e636fe414abba9fd83ab9d935af5f0695c3a18d1
sha256
158f5e159a5855d121c8654f900c4e3277712d67e2ab43982fc5a5c8a3684b43
sha512
35f6d92f16e8f3ec45e7e6ae37c5014717bee388d880889ff68c5437c9d95788bb9ddd0bcf5ff323ee7211f70bbf7af26bfa2187f59a070494efa413b38215e4
ripemd-160
3a2ac6688e426a23480b22ca050700e339cf3ba9
Diameter
1604243890
Circumference
5039880819.3903
Area
2.0212995027088E+18
Volume
2.1617715847204E+27
Surface area
8.0851980108351E+18
Circumference
5039880819.3903
Perimeter
3208487780
Area
643399614650583025
Diagonal
1134371733.2961
Surface area
3860397687903498150
Volume
5.1608495031578E+26
Space diagonal
1389315962.606
Perimeter
2406365835
Area
2.7860020553626E+17
Altitude
694657981.30298
Surface area
2.7860020553626E+17
Volume
6.0821194672768E+25
Height
378123911.0987