71388394330

Names of 71388394330

• Cardinal: 71388394330 can be written as Seventy-one billion, three hundred eighty-eight million, three hundred ninety-four thousand, three hundred thirty.

Scientific notation

• Scientific notation: 7.138839433 × 10¹⁰

Factors of 71388394330

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 151

Divisors of 71388394330

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 5 10 11 22 29 31 55 58 62 73 110 121 145 146 155 242 290 310 319 341 365 605 638 682 730 803 841 899 961 1210 1595 1606 1682 1705 1798 1922 2117 2263 3190 3410 3509 3751 4015 4205 4234 4495 4526 4805 7018 7502 8030 8410 8833 8990 9251 9610 9889 10571 10585 11315 17545 17666 18502 18755 19778 21142 21170 22630 23287 24893 26071 27869 35090 37510 44165 46255 46574 49445 49786 52142 52855 55738 61393 65627 70153 88330 92510 98890 101761 105710 108779 116281 116435 122786 124465 130355 131254 139345 140306 203522 217558 232562 232870 248930 256157 260710 273823 278690 286781 306559 306965 328135 350765 508805 512314 543895 547646 573562 581405 613118 613930 656270 675323 701530 721897 771683 808201 1017610 1087790 1162810 1280785 1350646 1369115 1433905 1443794 1532795 1543366 1616402 1903183 2034437 2561570 2738230 2867810 3065590 3154591 3372149 3376615 3609485 3806366 3858415 4041005 4068874 6309182 6744298 6753230 7218970 7428553 7716830 7940867 8082010 8488513 8890211 9515915 10172185 14857106 15772955 15881734 16860745 16977026 17780422 19031830 20344370 20935013 22378807 31545910 33721490 37142765 39704335 41870026 42442565 44451055 44757614 58998673 74285530 79408670 84885130 88902110 97792321 104675065 111894035 117997346 195584642 209350130 223788070 230285143 246166877 294993365 460570286 488961605 492333754 589986730 648985403 977923210 1151425715 1230834385 1297970806 2302851430 2461668770 3244927015 6489854030 7138839433 14277678866 35694197165 71388394330
• Sum of all divisors σ(n): 153222755868
• Sum of proper divisors (its aliquot sum) s(n): 81834361538
• 71388394330 is an abundant number, because the sum of its proper divisors (81834361538) is greater than itself. Its abundance is 10445967208

Bases of 71388394330

• Binary: 1000010011111000101000111001101011010₂
• Hexadecimal: 0x109F14735A
• Base-36: WSMT1LM

Squares and roots of 71388394330

• 71388394330 squared (71388394330²) is 5096302845015576148900
• 71388394330 cubed (71388394330³) is 363816877125072825109815995737000
• The square root of 71388394330 is 267186.0668710103
• The cube root of 71388394330 is 4148.3545870717

Scales and comparisons

• 71,388,394,330 seconds is equal to 2,269 years, 48 weeks, 2 days, 13 hours, 32 minutes, 10 seconds.
• To count from 1 to 71,388,394,330 would take you about four thousand, five hundred thirty-nine 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 71388394330 cubic inches would be around 345.7 feet tall.

Recreational maths with 71388394330

• 71388394330 backwards is 03349388317
• The number of decimal digits it has is: 11
• The sum of 71388394330's digits is 49
• More coming soon!