1338891528645

Names of 1338891528645

• Cardinal: 1338891528645 can be written as One trillion, three hundred thirty-eight billion, eight hundred ninety-one million, five hundred twenty-eight thousand, six hundred forty-five.

Scientific notation

• Scientific notation: 1.338891528645 × 10¹²

Factors of 1338891528645

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5246

Divisors of 1338891528645

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 5 9 11 15 27 33 45 55 81 99 121 135 165 297 363 405 495 605 891 1089 1485 1815 3267 4455 5227 5445 9801 15681 16335 26135 47043 49005 57497 78405 141129 172491 235215 287485 423387 517473 632467 705645 862455 1552419 1897401 2116935 2587365 3162335 4657257 5692203 7762095 9487005 17076609 23286285 27321529 28461015 51229827 81964587 85383045 136607645 245893761 256149135 300536819 409822935 737681283 901610457 1229468805 1502684095 2213043849 2704831371 3305905009 3688406415 4508052285 8114494113 9917715027 11065219245 13524156855 16529525045 24343482339 29753145081 40572470565 49588575135 89259435243 121717411695 148765725405 267778305729 446297176215 1338891528645
• Sum of all divisors σ(n): 2638617002406
• Sum of proper divisors (its aliquot sum) s(n): 1299725473761
• 1338891528645 is a deficient number, because the sum of its proper divisors (1299725473761) is less than itself. Its deficiency is 39166054884

Bases of 1338891528645

• Binary: 10011011110111100001001110110100111000101₂
• Hexadecimal: 0x137BC2769C5
• Base-36: H32TG3B9

Squares and roots of 1338891528645

• 1338891528645 squared (1338891528645²) is 1792630525477344855536025
• 1338891528645 cubed (1338891528645³) is 2400137824552051871944455203116936125
• The square root of 1338891528645 is 1157104.8045207489
• The cube root of 1338891528645 is 11021.6969241487

Scales and comparisons

• 1,338,891,528,645 seconds is equal to 42,572 years, 31 weeks, 4 days, 17 hours, 30 minutes, 45 seconds.
• To count from 1 to 1,338,891,528,645 would take you about one hundred six thousand, four hundred thirty-one 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 1338891528645 cubic inches would be around 918.5 feet tall.

Recreational maths with 1338891528645

• 1338891528645 backwards is 5468251988331
• The number of decimal digits it has is: 13
• The sum of 1338891528645's digits is 63
• More coming soon!