55729128

Names of 55729128

• Cardinal: 55729128 can be written as Fifty-five million, seven hundred twenty-nine thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 5.5729128 × 10⁷

Factors of 55729128

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 140

Divisors of 55729128

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 17 19 21 24 26 28 34 38 39 42 51 52 56 57 68 76 78 79 84 91 102 104 114 119 133 136 152 156 158 168 182 204 221 228 237 238 247 266 273 312 316 323 357 364 399 408 442 456 474 476 494 532 546 553 632 646 663 714 728 741 798 884 948 952 969 988 1027 1064 1092 1106 1292 1326 1343 1428 1482 1501 1547 1596 1659 1729 1768 1896 1938 1976 2054 2184 2212 2261 2584 2652 2686 2856 2964 3002 3081 3094 3192 3318 3458 3876 4029 4108 4199 4424 4503 4522 4641 5187 5304 5372 5928 6004 6162 6188 6636 6783 6916 7189 7752 8058 8216 8398 9006 9044 9282 9401 10374 10507 10744 12008 12324 12376 12597 13272 13566 13832 14378 16116 16796 17459 18012 18088 18564 18802 19513 20748 21014 21567 24648 25194 25517 27132 28203 28756 29393 31521 32232 33592 34918 36024 37128 37604 39026 41496 42028 43134 50388 51034 52377 54264 56406 57512 58539 58786 63042 69836 75208 76551 78052 84056 86268 88179 100776 102068 104754 112812 117078 117572 122213 126084 136591 139672 153102 156104 172536 176358 178619 204136 209508 225624 234156 235144 244426 252168 273182 306204 331721 352716 357238 366639 409773 419016 468312 488852 535857 546364 612408 663442 705432 714476 733278 819546 977704 995163 1071714 1092728 1326884 1428952 1466556 1639092 1990326 2143428 2322047 2653768 2933112 3278184 3980652 4286856 4644094 6966141 7961304 9288188 13932282 18576376 27864564 55729128
• Sum of all divisors σ(n): 193536000
• Sum of proper divisors (its aliquot sum) s(n): 137806872
• 55729128 is an abundant number, because the sum of its proper divisors (137806872) is greater than itself. Its abundance is 82077744

Bases of 55729128

• Binary: 11010100100101101111101000₂
• Hexadecimal: 0x3525BE8
• Base-36: X6GVC

Squares and roots of 55729128

• 55729128 squared (55729128²) is 3105735707640384
• 55729128 cubed (55729128³) is 173079942785261537905152
• The square root of 55729128 is 7465.1944381913
• The cube root of 55729128 is 381.9683827527

Scales and comparisons

• 55,729,128 seconds is equal to 1 year, 40 weeks, 1 day, 18 minutes, 48 seconds.
• To count from 1 to 55,729,128 would take you about two 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 55729128 cubic inches would be around 31.8 feet tall.

Recreational maths with 55729128

• 55729128 backwards is 82192755
• 55729128 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 55729128's digits is 39
• More coming soon!