138795228

Names of 138795228

• Cardinal: 138795228 can be written as One hundred thirty-eight million, seven hundred ninety-five thousand, two hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38795228 × 10⁸

Factors of 138795228

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 91

Divisors of 138795228

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 11 12 13 18 19 22 26 27 33 36 38 39 43 44 52 54 57 66 76 78 86 99 108 114 117 121 129 132 143 156 171 172 198 209 228 234 242 247 258 286 297 342 351 363 387 396 418 429 468 473 484 494 513 516 559 572 594 627 684 702 726 741 774 817 836 858 946 988 1026 1089 1118 1161 1188 1254 1287 1404 1419 1452 1482 1548 1573 1634 1677 1716 1881 1892 2052 2178 2223 2236 2299 2322 2451 2508 2574 2717 2838 2964 3146 3267 3268 3354 3762 3861 4257 4356 4446 4598 4644 4719 4902 5031 5148 5203 5434 5643 5676 6149 6292 6534 6669 6708 6897 7353 7524 7722 8151 8514 8892 8987 9196 9438 9804 10062 10406 10621 10868 11286 12298 12771 13068 13338 13794 14157 14706 15093 15444 15609 16302 17028 17974 18447 18876 20124 20691 20812 21242 22059 22572 24453 24596 25542 26676 26961 27588 28314 29412 29887 30186 31218 31863 32604 35948 36894 41382 42471 42484 44118 46827 48906 51084 53922 55341 56628 59774 60372 62073 62436 63726 67639 73359 73788 80883 82764 84942 88236 89661 93654 95589 97812 98857 107844 110682 116831 119548 124146 127452 135278 140481 146718 161766 166023 169884 179322 187308 191178 197714 202917 221364 233662 242649 248292 268983 270556 280962 286767 293436 296571 323532 332046 350493 358644 382356 395428 405834 467324 485298 537966 561924 573534 593142 608751 664092 700986 806949 811668 889713 970596 1051479 1075932 1147068 1186284 1217502 1285141 1401972 1613898 1779426 1826253 2102958 2435004 2570282 2669139 3154437 3227796 3558852 3652506 3855423 4205916 5140564 5338278 6308874 7305012 7710846 10676556 11566269 12617748 15421692 23132538 34698807 46265076 69397614 138795228
• Sum of all divisors σ(n): 458796800
• Sum of proper divisors (its aliquot sum) s(n): 320001572
• 138795228 is an abundant number, because the sum of its proper divisors (320001572) is greater than itself. Its abundance is 181206344

Bases of 138795228

• Binary: 1000010001011101100011011100₂
• Hexadecimal: 0x845D8DC
• Base-36: 2AMV30

Squares and roots of 138795228

• 138795228 squared (138795228²) is 19264115315571984
• 138795228 cubed (138795228³) is 2673767277443105469692352
• The square root of 138795228 is 11781.1386546463
• The cube root of 138795228 is 517.7556476849

Scales and comparisons

• 138,795,228 seconds is equal to 4 years, 21 weeks, 3 days, 10 hours, 13 minutes, 48 seconds.
• To count from 1 to 138,795,228 would take you about six 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 138795228 cubic inches would be around 43.1 feet tall.

Recreational maths with 138795228

• 138795228 backwards is 822597831
• The number of decimal digits it has is: 9
• The sum of 138795228's digits is 45
• More coming soon!