138924784240

Names of 138924784240

• Cardinal: 138924784240 can be written as One hundred thirty-eight billion, nine hundred twenty-four million, seven hundred eighty-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.3892478424 × 10¹¹

Factors of 138924784240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19745

Divisors of 138924784240

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 40 44 55 59 80 88 110 118 137 176 220 236 274 295 440 472 548 590 649 685 880 944 1096 1180 1298 1370 1507 2192 2360 2596 2740 3014 3245 4720 5192 5480 6028 6490 7535 8083 10384 10960 12056 12980 15070 16166 19531 24112 25960 30140 32332 39062 40415 51920 60280 64664 78124 80830 88913 97655 120560 129328 156248 161660 177826 195310 214841 312496 323320 355652 390620 429682 444565 646640 711304 781240 859364 889130 1074205 1152329 1422608 1562480 1718728 1778260 2148410 2304658 2675747 3437456 3556520 4296820 4609316 5351494 5761645 7113040 8593640 9218632 10702988 11523290 12675619 13378735 17187280 18437264 21405976 23046580 25351238 26757470 29433217 42811952 46093160 50702476 53514940 58866434 63378095 92186320 101404952 107029880 117732868 126756190 147166085 157869073 202809904 214059760 235465736 253512380 294332170 315738146 470931472 507024760 588664340 631476292 789345365 1014049520 1177328680 1262952584 1578690730 1736559803 2354657360 2525905168 3157381460 3473119606 6314762920 6946239212 8682799015 12629525840 13892478424 17365598030 27784956848 34731196060 69462392120 138924784240
• Sum of all divisors σ(n): 360970110720
• Sum of proper divisors (its aliquot sum) s(n): 222045326480
• 138924784240 is an abundant number, because the sum of its proper divisors (222045326480) is greater than itself. Its abundance is 83120542240

Bases of 138924784240

• Binary: 10000001011000100011111111101001110000₂
• Hexadecimal: 0x20588FFA70
• Base-36: 1RTK89KG

Squares and roots of 138924784240

• 138924784240 squared (138924784240²) is 19300095676130552377600
• 138924784240 cubed (138924784240³) is 2681261627617793907130099009024000
• The square root of 138924784240 is 372726.1518058535
• The cube root of 138924784240 is 5179.1669456345

Scales and comparisons

• 138,924,784,240 seconds is equal to 4,417 years, 19 weeks, 4 days, 17 hours, 50 minutes, 40 seconds.
• To count from 1 to 138,924,784,240 would take you about eight thousand, eight hundred thirty-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 138924784240 cubic inches would be around 431.6 feet tall.

Recreational maths with 138924784240

• 138924784240 backwards is 042487429831
• The number of decimal digits it has is: 12
• The sum of 138924784240's digits is 52
• More coming soon!