764420721 is an odd 9-digits composite number following 764420720
and preceding 764420722 . In scientific notation, it is written as 7.64420721 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 507038400 positive integers (up to 764420721) that are relatively prime to 764420721.
764420721 has 16 divisors, whose sum is 1024394688
The reverse of 764420721 is 127024467
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
seven hundred sixty-four million four hundred twenty thousand seven hundred twenty-one
Scientific notation
7.64420721 × 10^8
Engineering notation
7.64420721 × 10^6
Prime Factorization
3 × 661 × 397 × 971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
764420721
Product of the distinct prime numbers
The prime factorization of 764420721 is 3 × 661 × 397 × 971.
Since it has a total of 4 prime factors.
6 , 3 , 3 , 89 , 311 , 22 , 9177 , 1228 , 35352 , 25137 , 963643 , 667382 , 8752683 , 7151853 , 37173144 , 65888601 , 340106256 , 184786202 , 3134036497 , 5200378189
n×2
1528841442
n×3
2293262163
n×4
3057682884
n×5
3822103605
n÷2
382210360.5
n÷3
254806907
n÷3
191105180.25
n÷5
152884144.2
n2
584339038694159841
n3
4.4668086926704E+26
n4
3.4145211214201E+35
n5
2.6101306975057E+44
2 √n
27648.159450495
3 √n
914.34652137313
4 √n
166.27735699877
5 √n
59.795223040483
1 , 3 , 397 , 661 , 971 , 1191 , 1983 , 2913 , 262417 , 385487 , 641831 , 787251 , 1156461 , 1925493 , 254806907 , 764420721
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
-764420720
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 764420721 can be divided by 16 positive divisors.
The sum of these divisors (counting 764420721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101101100100000010001001110001
3
Ternary
1222021101121002120
4
Quaternary
231210002021301
5
Quinary
3031142430341
6
Senary
203504104453
8
Octal
5544021161
10
Decimal
764420721
12
Duodecimal
194005129
16
Hexadecimal
2d902271
20
Vigesimal
bihcbg1
36
Base36
cn46sx
md5
cda31dbe1efe8ca3c66a6061957d9eca
sha1
6e97a793c4ae086400102da790ef9206b085f791
sha256
b4e80a372856a6e7cbe1c9a97d6777e69e6855d70b1c5070da32f99f73a0acdb
sha512
904f3b2fa296d3181231d4a380a50fcddf20dc22d1c9aaf73c9ac93a7ee7bf5afd380befe57bd208f5461846728ea606b477fbc6af2edf7d0e962875e4b4d384
ripemd-160
ef38af5aa17ab919109a8d2096eaf12d81cc42c6
Diameter
1528841442
Circumference
4802997042.6908
Area
1.8357552311673E+18
Volume
1.8710524498512E+27
Surface area
7.3430209246692E+18
Circumference
4802997042.6908
Perimeter
3057682884
Area
584339038694159841
Diagonal
1081054150.9972
Surface area
3506034232164959046
Volume
4.4668086926704E+26
Space diagonal
1324015527.1304
Perimeter
2293262163
Area
2.5302622596606E+17
Altitude
662007763.56522
Surface area
2.5302622596606E+17
Volume
5.2641845280837E+25
Height
360351383.66574