3942923985

Names of 3942923985

• Cardinal: 3942923985 can be written as Three billion, nine hundred forty-two million, nine hundred twenty-three thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 3.942923985 × 10⁹

Factors of 3942923985

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 346

Divisors of 3942923985

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 7 9 11 13 15 17 19 21 33 35 39 45 51 55 57 63 65 77 85 91 95 99 105 117 119 133 143 153 165 171 187 195 209 221 231 247 255 271 273 285 315 323 357 385 399 429 455 495 561 585 595 627 663 665 693 715 741 765 813 819 855 935 969 1001 1045 1071 1105 1155 1197 1235 1287 1309 1355 1365 1463 1547 1615 1683 1729 1785 1881 1897 1989 1995 2145 2223 2261 2431 2439 2717 2805 2907 2981 3003 3135 3315 3465 3523 3553 3705 3927 4065 4095 4199 4389 4607 4641 4845 5005 5149 5187 5355 5691 5985 6435 6545 6783 7293 7315 7735 8151 8415 8645 8943 9009 9405 9485 9945 10569 10659 11115 11305 11781 12155 12195 12597 13167 13585 13821 13923 14535 14905 15015 15447 15561 17017 17073 17615 17765 19019 19635 20349 20867 20995 21879 21945 23035 23205 24453 24661 24871 25745 25935 26829 28455 29393 31707 31977 32249 33915 36043 36465 37791 38753 40755 41463 44715 45045 46189 46341 50677 51051 52845 53295 56639 57057 58905 59891 62601 62985 65835 66937 69105 69615 73983 74613 77235 77805 85085 85365 87533 88179 95095 96747 101745 104335 108129 109395 116259 122265 123305 124355 134145 138567 146965 152031 153153 158535 159885 161245 169917 171171 179673 180215 187803 188955 193765 200811 207315 221949 223839 230945 231705 253385 255255 262599 264537 271271 283195 285285 290241 299455 313005 323323 324387 334685 348777 354739 369915 373065 396473 415701 419237 437665 440895 456093 468559 483735 509751 539019 540645 581295 602433 612731 658801 692835 736307 760155 765765 787797 813813 849585 855855 898365 939015 962863 969969 1004055 1064217 1109745 1119195 1137929 1189419 1257711 1312995 1322685 1356355 1405677 1451205 1616615 1621935 1743885 1773695 1838193 1976403 1982365 2078505 2096185 2208921 2280465 2342795 2441439 2548755 2695095 2888589 2909907 3012165 3063655 3192651 3294005 3413787 3568257 3681535 3773133 3938985 4069065 4217031 4611607 4814315 4849845 5154149 5321085 5514579 5689645 5929209 5947095 6288555 6626763 6740041 7028385 7965503 8665767 9190965 9882015 10241361 11044605 12207195 12517219 13834821 14442945 14549535 15462447 15963255 17068935 17841285 18865665 20220123 21085155 23058035 23896509 25770745 27572895 29646045 33133815 33700205 37551657 39827515 41504463 43328835 46387341 51206805 60660369 62586095 69174105 71689527 77312235 87620533 101100615 112654971 119482545 187758285 207522315 231936705 262861599 303301845 358447635 438102665 563274855 788584797 1314307995 3942923985
• Sum of all divisors σ(n): 10265149440
• Sum of proper divisors (its aliquot sum) s(n): 6322225455
• 3942923985 is an abundant number, because the sum of its proper divisors (6322225455) is greater than itself. Its abundance is 2379301470

Bases of 3942923985

• Binary: 11101011000001000011111011010001₂
• Hexadecimal: 0xEB043ED1
• Base-36: 1T7IJM9

Squares and roots of 3942923985

• 3942923985 squared (3942923985²) is 15546649551488280225
• 3942923985 cubed (3942923985³) is 61299257402952632545553696625
• The square root of 3942923985 is 62792.7064634103
• The cube root of 3942923985 is 1579.8146427059

Scales and comparisons

• 3,942,923,985 seconds is equal to 125 years, 19 weeks, 2 days, 16 hours, 39 minutes, 45 seconds.
• To count from 1 to 3,942,923,985 would take you about two hundred fifty 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 3942923985 cubic inches would be around 131.7 feet tall.

Recreational maths with 3942923985

• 3942923985 backwards is 5893292493
• The number of decimal digits it has is: 10
• The sum of 3942923985's digits is 54
• More coming soon!