31992990172

Names of 31992990172

• Cardinal: 31992990172 can be written as Thirty-one billion, nine hundred ninety-two million, nine hundred ninety thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 3.1992990172 × 10¹⁰

Factors of 31992990172

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 994

Divisors of 31992990172

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 11 13 19 22 26 38 44 52 53 67 76 106 134 143 209 212 247 268 286 418 494 572 583 689 737 829 836 871 988 1007 1166 1273 1378 1474 1658 1742 2014 2332 2546 2717 2756 2948 3316 3484 3551 4028 5092 5434 7102 7579 9119 9581 10777 10868 11077 13091 14003 14204 15158 15751 16549 18238 19162 21554 22154 26182 28006 30316 31502 33098 36476 38324 39061 43108 43937 44308 46163 52364 55543 56012 63004 66196 67469 78122 87874 92326 111086 118547 134938 144001 156244 173261 175748 182039 184652 204763 222172 237094 269876 288002 346522 364078 409526 474188 483307 507793 571181 576004 610973 693044 722059 728156 742159 819052 834803 877097 966614 1015586 1055317 1142362 1221946 1444118 1484318 1669606 1754194 1933228 2031172 2110634 2252393 2284724 2443892 2888236 2943779 2968636 3339212 3508388 4221268 4504786 5887558 6282991 7942649 9009572 9182833 9648067 10852439 11608487 11775116 12565982 13719121 15885298 18365666 19296134 21704878 23216974 25131964 27438242 31770596 32381569 36731332 38269127 38592268 43409756 46433948 54876484 55931801 64763138 76538254 111863602 119376829 129526276 150910331 153076508 223727204 238753658 301820662 420960397 477507316 603641324 615249811 727113413 841920794 1230499622 1454226826 1683841588 2460999244 2908453652 7998247543 15996495086 31992990172
• Sum of all divisors σ(n): 71683315200
• Sum of proper divisors (its aliquot sum) s(n): 39690325028
• 31992990172 is an abundant number, because the sum of its proper divisors (39690325028) is greater than itself. Its abundance is 7697334856

Bases of 31992990172

• Binary: 11101110010111011100100100111011100₂
• Hexadecimal: 0x772EE49DC
• Base-36: EP3ST7G

Squares and roots of 31992990172

• 31992990172 squared (31992990172²) is 1023551420145688589584
• 31992990172 cubed (31992990172³) is 32746470525257657854733453568448
• The square root of 31992990172 is 178865.8440619673
• The cube root of 31992990172 is 3174.5702659999

Scales and comparisons

• 31,992,990,172 seconds is equal to 1,017 years, 14 weeks, 3 days, 5 hours, 42 minutes, 52 seconds.
• To count from 1 to 31,992,990,172 would take you about two thousand and thirty-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 31992990172 cubic inches would be around 264.5 feet tall.

Recreational maths with 31992990172

• 31992990172 backwards is 27109929913
• 31992990172 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31992990172's digits is 52
• More coming soon!