3881742345

Names of 3881742345

• Cardinal: 3881742345 can be written as Three billion, eight hundred eighty-one million, seven hundred forty-two thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 3.881742345 × 10⁹

Factors of 3881742345

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1468

Divisors of 3881742345

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 9 13 15 17 27 31 39 45 51 65 81 85 93 117 135 153 155 195 221 255 279 351 403 405 459 465 527 585 663 765 837 1053 1105 1209 1377 1395 1399 1581 1755 1989 2015 2295 2511 2635 3315 3627 4185 4197 4743 5265 5967 6045 6851 6885 6995 7905 9945 10881 12555 12591 14229 17901 18135 18187 20553 20985 23715 23783 29835 32643 34255 37773 42687 43369 54405 54561 61659 62955 71145 71349 89505 90935 102765 113319 118915 130107 163215 163683 184977 188865 213435 214047 216845 272805 308295 309179 356745 390321 491049 554931 563797 566595 642141 650535 737273 818415 924885 927537 1070235 1170963 1473147 1545895 1691391 1926423 1951605 2211819 2455245 2774655 2782611 2818985 3210705 3512889 3686365 4637685 5074173 5854815 6635457 7365735 8347833 8456955 9584549 9632115 11059095 13913055 15222519 17564445 19906371 25043499 25370865 28753647 33177285 41739165 45667557 47922745 59719113 76112595 86260941 99531855 125217495 143768235 228337785 258782823 298595565 431304705 776348469 1293914115 3881742345
• Sum of all divisors σ(n): 8196249600
• Sum of proper divisors (its aliquot sum) s(n): 4314507255
• 3881742345 is an abundant number, because the sum of its proper divisors (4314507255) is greater than itself. Its abundance is 432764910

Bases of 3881742345

• Binary: 11100111010111101011000000001001₂
• Hexadecimal: 0xE75EB009
• Base-36: 1S737K9

Squares and roots of 3881742345

• 3881742345 squared (3881742345²) is 15067923632966099025
• 3881742345 cubed (3881742345³) is 58489797217310744534805713625
• The square root of 3881742345 is 62303.6302714377
• The cube root of 3881742345 is 1571.6007777965

Scales and comparisons

• 3,881,742,345 seconds is equal to 123 years, 22 weeks, 1 day, 13 hours, 45 minutes, 45 seconds.
• To count from 1 to 3,881,742,345 would take you about two hundred forty-six 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 3881742345 cubic inches would be around 131 feet tall.

Recreational maths with 3881742345

• 3881742345 backwards is 5432471883
• 3881742345 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3881742345's digits is 45
• More coming soon!