128693670 is an even 9-digits composite number following 128693669
and preceding 128693671 . In scientific notation, it is written as 1.28693670 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 28696320 positive integers (up to 128693670) that are relatively prime to 128693670.
128693670 has 32 divisors, whose sum is 248615136
The reverse of 128693670 is 076396821
Previous prime number is 41
Is Prime? no Number parity even Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred twenty-eight million six hundred ninety-three thousand six hundred seventy
Scientific notation
1.28693670 × 10^8
Engineering notation
1.28693670 × 10^6
Prime Factorization
2 × 5 × 21 × 41 × 14947
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
128693670 Product of the distinct prime numbers
The prime factorization of 128693670 is 2 × 5 × 21 × 41 × 14947.
Since it has a total of 5 prime factors.
3 , 5 , 42 , 37 , 980 , 805 , 277 , 3095 , 93097 , 19181 , 767132 , 969823 , 2560862 , 102934 , 98880706 , 64090962 , 120793229 , 459204684 , 9456326008 , 9358470043
n×2
257387340
n×3
386081010
n×4
514774680
n×5
643468350
n÷2
64346835
n÷3
42897890
n÷3
32173417.5
n÷5
25738734
n2
16562060698068900
n3
2.1314323739972E+24
n4
2.7430185456652E+32
n5
3.5300912351972E+40
2 √n11344.323249978
3 √n504.87716517065
4 √n106.50973312321
5 √n41.870817201951
1 , 2 , 5 , 10 , 21 , 41 , 42 , 82 , 105 , 205 , 210 , 410 , 861 , 1722 , 4305 , 8610 , 14947 , 29894 , 74735 , 149470 , 313887 , 612827 , 627774 , 1225654 , 1569435 , 3064135 , 3138870 , 6128270 , 12869367 , 25738734 , 64346835 , 128693670
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
-128693669 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 128693670 can be divided by 32 positive divisors.
The sum of these divisors (counting 128693670) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010111011010110100110
3
Ternary
22222011022112020
4
Quaternary
13222323112212
5
Quinary
230421144140
6
Senary
20434204010
8
Octal
752732646
10
Decimal
128693670
12
Duodecimal
37123606
16
Hexadecimal
7abb5a6
20
Vigesimal
2046e3a
36
Base36
24mco6
md5
5e3057d6c5e4d6507e39b97ce5cd0730
sha1
365006ee2a44da0e4add583c0db6de00c19974a6
sha256
b71cb5202c19f77bafae86091589e101ae395cf98e466ed9c50d51cd7fd2cf9e
sha512
fb0c7f54a37c943702662b603afe71bc3024aa3a5418a4751ca676acc8720206bb293f6e3b273c6aea8eb02b7b605c727d933b46004c61d036f29a2735284105
ripemd-160
6d5899bded6f377c61dbb9d84155b039a56a6b64
Diameter
257387340
Circumference
808606176.47102
Area
5.2031248217361E+16
Volume
8.9281230503643E+24
Surface area
2.0812499286945E+17
Circumference
808606176.47102
Perimeter
514774680
Area
16562060698068900
Diagonal
182000333.50557
Surface area
99372364188413400
Volume
2.1314323739972E+24
Space diagonal
222903975.0525
Perimeter
386081010
Area
7.1715826517738E+15
Altitude
111451987.52625
Surface area
7.1715826517738E+15
Volume
2.5119171421567E+23
Height
60666777.835189