127990635940

Names of 127990635940

• Cardinal: 127990635940 can be written as One hundred twenty-seven billion, nine hundred ninety million, six hundred thirty-five thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.2799063594 × 10¹¹

Factors of 127990635940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2750

Divisors of 127990635940

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 19 20 38 47 76 94 95 188 190 235 380 470 893 940 1786 2677 3572 4465 5354 8930 10708 13385 17860 26770 50863 53540 101726 125819 203452 251638 254315 503276 508630 629095 1017260 1258190 2390561 2516380 4781122 7166329 9562244 11952805 14332658 23905610 28665316 35831645 47811220 71663290 136160251 143326580 272320502 336817463 544641004 673634926 680801255 1347269852 1361602510 1684087315 2723205020 3368174630 6399531797 6736349260 12799063594 25598127188 31997658985 63995317970 127990635940
• Sum of all divisors σ(n): 289054362240
• Sum of proper divisors (its aliquot sum) s(n): 161063726300
• 127990635940 is an abundant number, because the sum of its proper divisors (161063726300) is greater than itself. Its abundance is 33073090360

Bases of 127990635940

• Binary: 1110111001100110101100001110110100100₂
• Hexadecimal: 0x1DCCD61DA4
• Base-36: 1MSQBIQS

Squares and roots of 127990635940

• 127990635940 squared (127990635940²) is 16381602888325619683600
• 127990635940 cubed (127990635940³) is 2096691771393336865098545588584000
• The square root of 127990635940 is 357757.7894889223
• The cube root of 127990635940 is 5039.5613009959

Scales and comparisons

• 127,990,635,940 seconds is equal to 4,069 years, 36 weeks, 5 days, 2 hours, 25 minutes, 40 seconds.
• To count from 1 to 127,990,635,940 would take you about eight thousand, one hundred thirty-nine 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 127990635940 cubic inches would be around 420 feet tall.

Recreational maths with 127990635940

• 127990635940 backwards is 049536099721
• The number of decimal digits it has is: 12
• The sum of 127990635940's digits is 55
• More coming soon!