30811977180

Names of 30811977180

• Cardinal: 30811977180 can be written as Thirty billion, eight hundred eleven million, nine hundred seventy-seven thousand, one hundred eighty.

Scientific notation

• Scientific notation: 3.081197718 × 10¹⁰

Factors of 30811977180

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 161

Divisors of 30811977180

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 37 45 53 54 60 61 74 81 90 106 108 111 122 135 148 159 162 180 183 185 212 222 243 244 265 270 305 318 324 333 366 370 405 444 477 486 530 540 549 555 610 636 666 732 740 795 810 915 954 972 999 1060 1098 1110 1215 1220 1332 1431 1590 1620 1647 1665 1830 1908 1961 1998 2196 2220 2257 2385 2430 2745 2809 2862 2997 3180 3233 3294 3330 3660 3922 3996 4293 4514 4770 4860 4941 4995 5490 5618 5724 5883 5994 6466 6588 6660 6771 7155 7844 8235 8427 8586 8991 9028 9540 9699 9805 9882 9990 10980 11236 11285 11766 11988 12879 12932 13542 14045 14310 14823 14985 16165 16470 16854 17172 17649 17982 19398 19610 19764 19980 20313 21465 22570 23532 24705 25281 25758 27084 28090 28620 29097 29415 29646 29970 32330 32940 33708 33855 35298 35964 38796 39220 40626 42135 42930 44955 45140 48495 49410 50562 51516 52947 56180 58194 58830 59292 59940 60939 64395 64660 67710 70596 74115 75843 81252 84270 85860 87291 88245 89910 96990 98820 101124 101565 103933 105894 116388 117660 119621 121878 126405 128790 135420 145485 148230 151686 158841 168540 171349 174582 176490 179820 182817 193980 203130 207866 211788 227529 239242 243756 252810 257580 261873 264735 290970 296460 303372 304695 311799 317682 342698 349164 352980 358863 365634 379215 406260 415732 436455 455058 476523 478484 505620 514047 519665 523746 529470 548451 581940 598105 609390 623598 635364 682587 685396 717726 731268 758430 785619 794205 856745 872910 910116 914085 935397 953046 1028094 1039330 1047492 1058940 1076589 1096902 1137645 1196210 1218780 1247196 1309365 1365174 1435452 1516860 1542141 1558995 1571238 1588410 1713490 1745820 1794315 1828170 1870794 1906092 2056188 2078660 2153178 2193804 2275290 2382615 2392420 2570235 2618730 2730348 2742255 2806191 3084282 3117990 3142476 3176820 3229767 3412935 3426980 3588630 3656340 3741588 3928095 4306356 4550580 4626423 4676985 4765230 5140470 5237460 5382945 5484510 5612382 6168564 6235980 6339913 6459534 6825870 7177260 7710705 7856190 8418573 9252846 9353970 9530460 9689301 10280940 10765890 10969020 11224764 12679826 12919068 13651740 13879269 14030955 15421410 15712380 16148835 16837146 18505692 18707940 19019739 19378602 21531780 23132115 25255719 25359652 27758538 28061910 29067903 30842820 31699565 32297670 33674292 38039478 38757204 41637807 42092865 46264230 48446505 50511438 55517076 56123820 57059217 58135806 63399130 64595340 69396345 76078956 83275614 84185730 92528460 95098695 96893010 101022876 114118434 116271612 126278595 126798260 138792690 145339515 166551228 168371460 171177651 190197390 193786020 208189035 228236868 252557190 277585380 285296085 290679030 342355302 380394780 416378070 505114380 513532953 570592170 581358060 684710604 832756140 855888255 1027065906 1141184340 1540598859 1711776510 2054131812 2567664765 3081197718 3423553020 5135329530 6162395436 7702994295 10270659060 15405988590 30811977180
• Sum of all divisors σ(n): 103121045664
• Sum of proper divisors (its aliquot sum) s(n): 72309068484
• 30811977180 is an abundant number, because the sum of its proper divisors (72309068484) is greater than itself. Its abundance is 41497091304

Bases of 30811977180

• Binary: 11100101100100010010111010111011100₂
• Hexadecimal: 0x72C8975DC
• Base-36: E5KNLR0

Squares and roots of 30811977180

• 30811977180 squared (30811977180²) is 949377937740840752400
• 30811977180 cubed (30811977180³) is 29252211352866246016962830232000
• The square root of 30811977180 is 175533.4075895527
• The cube root of 30811977180 is 3135.0166799323

Scales and comparisons

• 30,811,977,180 seconds is equal to 979 years, 37 weeks, 5 days, 2 hours, 33 minutes.
• To count from 1 to 30,811,977,180 would take you about one thousand, nine hundred fifty-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 30811977180 cubic inches would be around 261.3 feet tall.

Recreational maths with 30811977180

• 30811977180 backwards is 08177911803
• 30811977180 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30811977180's digits is 45
• More coming soon!