1221570894 is an even 10-digits composite number following 1221570893
and preceding 1221570895 . In scientific notation, it is written as 1.221570894 × 10^9.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 389486328 positive integers (up to 1221570894) that are relatively prime to 1221570894.
1221570894 has 16 divisors, whose sum is 2549365632
The reverse of 1221570894 is 4980751221
Previous prime number is 23
Is Prime? no
Number parity even
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion two hundred twenty-one million five hundred seventy thousand eight hundred ninety-four
Scientific notation
1.221570894 × 10^9
Engineering notation
1.221570894 × 10^9
Prime Factorization
2 × 3 × 23 × 8851963
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1221570894
Product of the distinct prime numbers
The prime factorization of 1221570894 is 2 × 3 × 23 × 8851963.
Since it has a total of 4 prime factors.
9 , 4 , 53 , 64 , 284 , 341 , 6669 , 6756 , 96464 , 71511 , 357786 , 879648 , 9854082 , 3822323 , 1893890 , 26419674 , 124489220 , 497076948 , 5281267261 , 1110945552
n×2
2443141788
n×3
3664712682
n×4
4886283576
n×5
6107854470
n÷2
610785447
n÷3
407190298
n÷3
305392723.5
n÷5
244314178.8
n2
1492235449067959236
n3
1.8228713915764E+27
n4
2.2267666354551E+36
n5
2.7201533096022E+45
2 √n
34950.97844124
3 √n
1068.9881528304
4 √n
186.95180780415
5 √n
65.672528139308
1 , 2 , 3 , 6 , 23 , 46 , 69 , 138 , 8851963 , 17703926 , 26555889 , 53111778 , 203595149 , 407190298 , 610785447 , 1221570894
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
-1221570893
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 1221570894 can be divided by 16 positive divisors.
The sum of these divisors (counting 1221570894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000110011111011000101001110
3
Ternary
10011010121020020110
4
Quaternary
1020303323011032
5
Quinary
10000210232034
6
Senary
321114300450
8
Octal
11063730516
10
Decimal
1221570894
12
Duodecimal
2a1127726
16
Hexadecimal
48cfb14e
20
Vigesimal
j1eg74e
36
Base36
k7ai4u
md5
b69e0a0235925a18aa50a4081d50018a
sha1
e752f7b41cf58de67efbb626ca1f939545e6035c
sha256
f01b918178422cc34957607cde3954646361d3b0f68eac80f804750bb21a1fe4
sha512
49bffd5f95c3898daaf30dcca7b9e808f1b7e4e2f2fed94ecf24e227060e3b9ae5a82df1728d94040ed7beb12ca3d83de8f8c6b7f62ac2d2e10510cb13de3748
ripemd-160
e9fe2e46cc450172d31c45c702cbea26788a793f
Diameter
2443141788
Circumference
7675356292.859
Area
4.6879959242182E+18
Volume
7.6356258296207E+27
Surface area
1.8751983696873E+19
Circumference
7675356292.859
Perimeter
4886283576
Area
1492235449067959236
Diagonal
1727562125.695
Surface area
8953412694407755416
Volume
1.8228713915764E+27
Space diagonal
2115822853.4553
Perimeter
3664712682
Area
6.4615690366027E+17
Altitude
1057911426.7277
Surface area
6.4615690366027E+17
Volume
2.1482745370244E+26
Height
575854041.89834