3855407140

Names of 3855407140

• Cardinal: 3855407140 can be written as Three billion, eight hundred fifty-five million, four hundred seven thousand, one hundred forty.

Scientific notation

• Scientific notation: 3.85540714 × 10⁹

Factors of 3855407140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4994

Divisors of 3855407140

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 13 20 26 52 65 130 169 241 260 338 482 676 845 964 1205 1690 2410 3133 3380 4733 4820 6266 9466 12532 15665 18932 23665 31330 40729 47330 61529 62660 81458 94660 123058 162916 203645 246116 307645 407290 615290 799877 814580 1140653 1230580 1599754 2281306 3199508 3999385 4562612 5703265 7998770 11406530 14828489 15997540 22813060 29656978 59313956 74142445 148284890 192770357 296569780 385540714 771081428 963851785 1927703570 3855407140
• Sum of all divisors σ(n): 8805296808
• Sum of proper divisors (its aliquot sum) s(n): 4949889668
• 3855407140 is an abundant number, because the sum of its proper divisors (4949889668) is greater than itself. Its abundance is 1094482528

Bases of 3855407140

• Binary: 11100101110011001101100000100100₂
• Hexadecimal: 0xE5CCD824
• Base-36: 1RRER6S

Squares and roots of 3855407140

• 3855407140 squared (3855407140²) is 14864164215162979600
• 3855407140 cubed (3855407140³) is 57307404845271847813514344000
• The square root of 3855407140 is 62091.9249178185
• The cube root of 3855407140 is 1568.0385989605

Scales and comparisons

• 3,855,407,140 seconds is equal to 122 years, 30 weeks, 4 days, 18 hours, 25 minutes, 40 seconds.
• To count from 1 to 3,855,407,140 would take you about two hundred forty-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 3855407140 cubic inches would be around 130.7 feet tall.

Recreational maths with 3855407140

• 3855407140 backwards is 0417045583
• The number of decimal digits it has is: 10
• The sum of 3855407140's digits is 37
• More coming soon!