128389310700

Names of 128389310700

• Cardinal: 128389310700 can be written as One hundred twenty-eight billion, three hundred eighty-nine million, three hundred ten thousand, seven hundred.

Scientific notation

• Scientific notation: 1.283893107 × 10¹¹

Factors of 128389310700

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 571505

Divisors of 128389310700

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 107 140 150 175 210 214 300 321 350 420 428 525 535 642 700 749 1050 1070 1284 1498 1605 2100 2140 2247 2675 2996 3210 3745 4494 5350 6420 7490 8025 8988 10700 11235 14980 16050 18725 22470 32100 37450 44940 56175 74900 112350 224700 571381 1142762 1714143 2285524 2856905 3428286 3999667 5713810 6856572 7999334 8570715 11427620 11999001 14284525 15998668 17141430 19998335 23998002 28569050 34282860 39996670 42853575 47996004 57138100 59995005 61137767 79993340 85707150 99991675 119990010 122275534 171414300 183413301 199983350 239980020 244551068 299975025 305688835 366826602 399966700 427964369 599950050 611377670 733653204 855928738 917066505 1199900100 1222755340 1283893107 1528444175 1711857476 1834133010 2139821845 2567786214 3056888350 3668266020 4279643690 4585332525 5135572428 6113776700 6419465535 8559287380 9170665050 10699109225 12838931070 18341330100 21398218450 25677862140 32097327675 42796436900 64194655350 128389310700
• Sum of all divisors σ(n): 428509073664
• Sum of proper divisors (its aliquot sum) s(n): 300119762964
• 128389310700 is an abundant number, because the sum of its proper divisors (300119762964) is greater than itself. Its abundance is 171730452264

Bases of 128389310700

• Binary: 1110111100100100110010110100011101100₂
• Hexadecimal: 0x1DE49968EC
• Base-36: 1MZBOI5O

Squares and roots of 128389310700

• 128389310700 squared (128389310700²) is 16483815102021134490000
• 128389310700 cubed (128389310700³) is 2116345658654743634003096043000000
• The square root of 128389310700 is 358314.5415692755
• The cube root of 128389310700 is 5044.7884110389

Scales and comparisons

• 128,389,310,700 seconds is equal to 4,082 years, 19 weeks, 6 days, 9 hours, 25 minutes.
• To count from 1 to 128,389,310,700 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 128389310700 cubic inches would be around 420.4 feet tall.

Recreational maths with 128389310700

• 128389310700 backwards is 007013983821
• 128389310700 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128389310700's digits is 42
• More coming soon!