139405381973

Names of 139405381973

• Cardinal: 139405381973 can be written as One hundred thirty-nine billion, four hundred five million, three hundred eighty-one thousand, nine hundred seventy-three.

Scientific notation

• Scientific notation: 1.39405381973 × 10¹¹

Factors of 139405381973

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 72

Divisors of 139405381973

• Number of divisors d(n): 96
• Complete list of divisors:
  1 11 13 19 29 143 169 209 247 319 361 377 551 841 1859 2197 2717 3211 3971 4147 4693 4901 6061 6859 7163 9251 10469 10933 15979 24167 35321 41743 51623 53911 61009 63713 75449 78793 89167 93119 115159 120263 136097 142129 175769 198911 207727 303601 459173 671099 700843 793117 980837 1024309 1159171 1210547 1497067 1563419 1769261 1847677 2188021 2284997 2585843 2700451 3339611 3946813 5768419 8724287 12750881 13316017 15069223 19461871 20324447 23000393 28444273 29704961 33615959 35105863 43414943 51308569 63452609 74989447 165761453 253004323 369775549 386164493 437007467 564394259 667011397 824883917 974862811 4807082137 7337125367 10723490921 12673216543 139405381973
• Sum of all divisors σ(n): 180100502400
• Sum of proper divisors (its aliquot sum) s(n): 40695120427
• 139405381973 is a deficient number, because the sum of its proper divisors (40695120427) is less than itself. Its deficiency is 98710261546

Bases of 139405381973

• Binary: 10000001110101001101010101000101010101₂
• Hexadecimal: 0x2075355155
• Base-36: 1S1ID55H

Squares and roots of 139405381973

• 139405381973 squared (139405381973²) is 19433860523038033372729
• 139405381973 cubed (139405381973³) is 2709184749424122608732007726414317
• The square root of 139405381973 is 373370.3014073293
• The cube root of 139405381973 is 5185.1323586043

Scales and comparisons

• 139,405,381,973 seconds is equal to 4,432 years, 34 weeks, 2 days, 5 hours, 12 minutes, 53 seconds.
• To count from 1 to 139,405,381,973 would take you about eight thousand, eight hundred sixty-five 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 139405381973 cubic inches would be around 432.1 feet tall.

Recreational maths with 139405381973

• 139405381973 backwards is 379183504931
• The number of decimal digits it has is: 12
• The sum of 139405381973's digits is 53
• More coming soon!