163390635440

Names of 163390635440

• Cardinal: 163390635440 can be written as One hundred sixty-three billion, three hundred ninety million, six hundred thirty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.6339063544 × 10¹¹

Factors of 163390635440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 17128

Divisors of 163390635440

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 37 40 74 80 148 185 296 370 592 740 1480 2960 4327 8654 12757 17308 21635 25514 34616 43270 51028 63785 69232 86540 102056 127570 160099 173080 204112 255140 320198 346160 472009 510280 640396 800495 944018 1020560 1280792 1600990 1888036 2360045 2561584 3201980 3776072 4720090 6403960 7552144 9440180 12807920 18880360 37760720 55199539 110399078 220798156 275997695 441596312 551995390 883192624 1103990780 2042382943 2207981560 4084765886 4415963120 8169531772 10211914715 16339063544 20423829430 32678127088 40847658860 81695317720 163390635440
• Sum of all divisors σ(n): 390271098432
• Sum of proper divisors (its aliquot sum) s(n): 226880462992
• 163390635440 is an abundant number, because the sum of its proper divisors (226880462992) is greater than itself. Its abundance is 63489827552

Bases of 163390635440

• Binary: 10011000001010110101110011110110110000₂
• Hexadecimal: 0x260AD73DB0
• Base-36: 2326KD68

Squares and roots of 163390635440

• 163390635440 squared (163390635440²) is 26696499749486983993600
• 163390635440 cubed (163390635440³) is 4361958058092479128723412893184000
• The square root of 163390635440 is 404216.0751875165
• The cube root of 163390635440 is 5466.9158277935

Scales and comparisons

• 163,390,635,440 seconds is equal to 5,195 years, 16 weeks, 3 days, 7 hours, 37 minutes, 20 seconds.
• To count from 1 to 163,390,635,440 would take you about ten thousand, three hundred ninety years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 163390635440 cubic inches would be around 455.6 feet tall.

Recreational maths with 163390635440

• 163390635440 backwards is 044536093361
• The number of decimal digits it has is: 12
• The sum of 163390635440's digits is 44
• More coming soon!