157021689 is an odd 9-digits composite number following 157021688
and preceding 157021690 . In scientific notation, it is written as 1.57021689 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 89902400 positive integers (up to 157021689) that are relatively prime to 157021689.
157021689 has 32 divisors, whose sum is 241367040
The reverse of 157021689 is 986120751
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred fifty-seven million twenty-one thousand six hundred eighty-nine
Scientific notation
1.57021689 × 10^8
Engineering notation
1.57021689 × 10^6
Prime Factorization
3 × 11 × 29 × 47 × 3491
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
157021689
Product of the distinct prime numbers
The prime factorization of 157021689 is 3 × 11 × 29 × 47 × 3491.
Since it has a total of 5 prime factors.
3 , 5 , 77 , 96 , 204 , 3 , 4520 , 424 , 18174 , 84216 , 897218 , 848509 , 3478995 , 4527899 , 19565505 , 83680509 , 965041996 , 408923787 , 4769490405 , 2298286548
n×2
314043378
n×3
471065067
n×4
628086756
n×5
785108445
n÷2
78510844.5
n÷3
52340563
n÷3
39255422.25
n÷5
31404337.8
n2
24655810816412721
n3
3.8714970580576E+24
n4
6.0790900701473E+32
n5
9.5454899039766E+40
2 √n
12530.829541575
3 √n
539.49391198788
4 √n
111.94118786923
5 √n
43.570438313105
1 , 3 , 11 , 29 , 33 , 47 , 87 , 141 , 319 , 517 , 957 , 1363 , 1551 , 3491 , 4089 , 10473 , 14993 , 38401 , 44979 , 101239 , 115203 , 164077 , 303717 , 492231 , 1113629 , 1804847 , 3340887 , 4758233 , 5414541 , 14274699 , 52340563 , 157021689
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
-157021688
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 157021689 can be divided by 32 positive divisors.
The sum of these divisors (counting 157021689) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001010110111111010111111001
3
Ternary
101221110112021010
4
Quaternary
21112333113321
5
Quinary
310144143224
6
Senary
23325304133
8
Octal
1126772771
10
Decimal
157021689
12
Duodecimal
44705049
16
Hexadecimal
95bf5f9
20
Vigesimal
2917e49
36
Base36
2lhipl
md5
d5d2186d422cb0c4634aa142bbebba15
sha1
aef46b4bfdb28ba7aebaf57587c967e2c31941df
sha256
558afdac3ce6a56f4a0cb4ba3b8ea6cf54b8b4f76d5cfbf1f55de1379e7a7a82
sha512
222648362647e3de2d5f14b39e878e3d67ae0c46b7c65e5d3671071f550f0132741904e57a43e8bf2b634892b72934e95a131bb68d376166747487e856dfacdb
ripemd-160
ee4a87decf3bdf8fa4b0f7957eca1a0284ac3d0a
Diameter
314043378
Circumference
986596369.23332
Area
7.7458514129142E+16
Volume
1.6216888954651E+25
Surface area
3.0983405651657E+17
Circumference
986596369.23332
Perimeter
628086756
Area
24655810816412721
Diagonal
222062202.17053
Surface area
147934864898476326
Volume
3.8714970580576E+24
Space diagonal
271969543.23828
Perimeter
471065067
Area
1.0676279258958E+16
Altitude
135984771.61914
Surface area
1.0676279258958E+16
Volume
4.5626030384938E+23
Height
74020734.056843