64989861 is an odd 8-digits composite number following 64989860
and preceding 64989862 . In scientific notation, it is written as 6.4989861 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 37783296 positive integers (up to 64989861) that are relatively prime to 64989861.
64989861 has 32 divisors, whose sum is 98703360
The reverse of 64989861 is 16898946
Previous prime number is 47
Is Prime? no Number parity odd Number length 8 Sum of Digits 51 Digital Root 6
Name
sixty-four million nine hundred eighty-nine thousand eight hundred sixty-one
Scientific notation
6.4989861 × 10^7
Engineering notation
6.4989861 × 10^6
Prime Factorization
3 × 19 × 17 × 47 × 1427
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64989861 Product of the distinct prime numbers
The prime factorization of 64989861 is 3 × 19 × 17 × 47 × 1427.
Since it has a total of 5 prime factors.
3 , 9 , 69 , 52 , 601 , 364 , 4442 , 848 , 35372 , 30405 , 93001 , 405777 , 9419471 , 9444493 , 17891057 , 35067303 , 325993274 , 182609684 , 9469747321 , 6916009206
n×2
129979722
n×3
194969583
n×4
259959444
n×5
324949305
n÷2
32494930.5
n÷3
21663287
n÷3
16247465.25
n÷5
12997972.2
n2
4223682032799321
n3
2.7449650821983E+23
n4
1.7839489914192E+31
n5
1.1593859698342E+39
2 √n8061.6289296891
3 √n402.05166905979
4 √n89.786574328733
5 √n36.523225241459
1 , 3 , 17 , 19 , 47 , 51 , 57 , 141 , 323 , 799 , 893 , 969 , 1427 , 2397 , 2679 , 4281 , 15181 , 24259 , 27113 , 45543 , 67069 , 72777 , 81339 , 201207 , 460921 , 1140173 , 1274311 , 1382763 , 3420519 , 3822933 , 21663287 , 64989861
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-64989860 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64989861 can be divided by 32 positive divisors.
The sum of these divisors (counting 64989861) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11110111111010101010100101
3
Ternary
11112021211022220
4
Quaternary
3313322222211
5
Quinary
113114133421
6
Senary
10240542553
8
Octal
367725245
10
Decimal
64989861
12
Duodecimal
19921a59
16
Hexadecimal
3dfaaa5
20
Vigesimal
1063ed1
36
Base36
12oyhx
md5
65f3ba5a235ddfacbc8e29f83f06b7a0
sha1
7d809c1d7a3f15738fdf1d8e09567debeb7613c7
sha256
265b902400fb8774ff1f3509cf1b56aa1b0adf9c3ad175b81dead884c9b914b4
sha512
e6491be2a3d6530ccef543e7ac7d2b291f55c4e8351758a10d676773cd02b37e2910ad78aa89babe11c82e2b47fe62e06dff63597ccc7eb5dcd8c186e2a0f04c
ripemd-160
44cffddfebe855f1d41befc6a8780346e99f5853
Diameter
129979722
Circumference
408343339.75084
Area
1.3269088445342E+16
Volume
1.1498082848793E+24
Surface area
5.3076353781366E+16
Circumference
408343339.75084
Perimeter
259959444
Area
4223682032799321
Diagonal
91909542.842942
Surface area
25342092196795926
Volume
2.7449650821983E+23
Space diagonal
112565741.22884
Perimeter
194969583
Area
1.8289079689561E+15
Altitude
56282870.61442
Surface area
1.8289079689561E+15
Volume
3.2349723729045E+22
Height
30636514.280981