128384480520

Names of 128384480520

• Cardinal: 128384480520 can be written as One hundred twenty-eight billion, three hundred eighty-four million, four hundred eighty thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.2838448052 × 10¹¹

Factors of 128384480520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1674370

Divisors of 128384480520

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 71 72 90 108 120 135 142 180 213 216 270 284 355 360 426 540 568 639 710 852 1065 1080 1278 1420 1704 1917 2130 2556 2840 3195 3834 4260 5112 6390 7668 8520 9585 12780 15336 19170 25560 38340 76680 1674289 3348578 5022867 6697156 8371445 10045734 13394312 15068601 16742890 20091468 25114335 30137202 33485780 40182936 45205803 50228670 60274404 66971560 75343005 90411606 100457340 118874519 120548808 150686010 180823212 200914680 226029015 237749038 301372020 356623557 361646424 452058030 475498076 594372595 602744040 713247114 904116060 950996152 1069870671 1188745190 1426494228 1783117785 1808232120 2139741342 2377490380 2852988456 3209612013 3566235570 4279482684 4754980760 5349353355 6419224026 7132471140 8558965368 10698706710 12838448052 14264942280 16048060065 21397413420 25676896104 32096120130 42794826840 64192240260 128384480520
• Sum of all divisors σ(n): 433975968000
• Sum of proper divisors (its aliquot sum) s(n): 305591487480
• 128384480520 is an abundant number, because the sum of its proper divisors (305591487480) is greater than itself. Its abundance is 177207006960

Bases of 128384480520

• Binary: 1110111100100010011111011010100001000₂
• Hexadecimal: 0x1DE44FB508
• Base-36: 1MZ8SZ60

Squares and roots of 128384480520

• 128384480520 squared (128384480520²) is 16482574838390259470400
• 128384480520 cubed (128384480520³) is 2116106808258756415135314316608000
• The square root of 128384480520 is 358307.8013663671
• The cube root of 128384480520 is 5044.7251463181

Scales and comparisons

• 128,384,480,520 seconds is equal to 4,082 years, 11 weeks, 6 days, 11 hours, 42 minutes.
• To count from 1 to 128,384,480,520 would take you about eight thousand, one hundred sixty-four 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 128384480520 cubic inches would be around 420.4 feet tall.

Recreational maths with 128384480520

• 128384480520 backwards is 025084483821
• 128384480520 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128384480520's digits is 45
• More coming soon!