31211718930

Names of 31211718930

• Cardinal: 31211718930 can be written as Thirty-one billion, two hundred eleven million, seven hundred eighteen thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 3.121171893 × 10¹⁰

Factors of 31211718930

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1660

Divisors of 31211718930

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 29 30 35 42 45 54 58 63 70 87 90 105 126 135 145 174 189 203 210 261 270 290 315 378 406 435 521 522 609 630 783 870 945 1015 1042 1093 1218 1305 1563 1566 1827 1890 2030 2186 2605 2610 3045 3126 3279 3647 3654 3915 4689 5210 5465 5481 6090 6558 7294 7651 7815 7830 9135 9378 9837 10930 10941 10962 14067 15109 15302 15630 16395 18235 18270 19674 21882 22953 23445 27405 28134 29511 30218 31697 32790 32823 36470 38255 45327 45906 46890 49185 54705 54810 59022 63394 65646 68859 70335 75545 76510 90654 95091 98370 98469 105763 109410 114765 135981 137718 140670 147555 151090 158485 164115 190182 196938 206577 211526 221879 226635 229530 271962 285273 295110 316970 317289 328230 344295 407943 413154 443758 453270 475455 492345 528815 569453 570546 634578 665637 679905 688590 815886 855819 950910 951867 984690 1032885 1057630 1109395 1138906 1331274 1359810 1426365 1586445 1708359 1711638 1903734 1996911 2039715 2065770 2218790 2847265 2852730 2855601 3172890 3328185 3416718 3986171 3993822 4079430 4279095 4759335 5125077 5694530 5711202 5990733 6656370 7972342 8541795 8558190 9518670 9984555 10250154 11958513 11981466 14278005 15375231 16514137 17083590 19930855 19969110 23917026 25625385 28556010 29953665 30750462 33028274 35875539 39861710 49542411 51250770 59792565 59907330 71751078 76876155 82570685 99084822 107626617 115598959 119585130 148627233 153752310 165141370 179377695 215253234 231197918 247712055 297254466 346796877 358755390 445881699 495424110 538133085 577994795 693593754 743136165 891763398 1040390631 1076266170 1155989590 1486272330 1733984385 2080781262 2229408495 3121171893 3467968770 4458816990 5201953155 6242343786 10403906310 15605859465 31211718930
• Sum of all divisors σ(n): 98680550400
• Sum of proper divisors (its aliquot sum) s(n): 67468831470
• 31211718930 is an abundant number, because the sum of its proper divisors (67468831470) is greater than itself. Its abundance is 36257112540

Bases of 31211718930

• Binary: 11101000100010111010000100100010010₂
• Hexadecimal: 0x7445D0912
• Base-36: EC6NGGI

Squares and roots of 31211718930

• 31211718930 squared (31211718930²) is 974171398565320344900
• 31211718930 cubed (31211718930³) is 30405563881665783850429458957000
• The square root of 31211718930 is 176668.3869004299
• The cube root of 31211718930 is 3148.5159358411

Scales and comparisons

• 31,211,718,930 seconds is equal to 992 years, 22 weeks, 4 days, 17 hours, 55 minutes, 30 seconds.
• To count from 1 to 31,211,718,930 would take you about one thousand, nine hundred eighty-four 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 31211718930 cubic inches would be around 262.4 feet tall.

Recreational maths with 31211718930

• 31211718930 backwards is 03981711213
• The number of decimal digits it has is: 11
• The sum of 31211718930's digits is 36
• More coming soon!