138648510

Names of 138648510

• Cardinal: 138648510 can be written as One hundred thirty-eight million, six hundred forty-eight thousand, five hundred ten.

Scientific notation

• Scientific notation: 1.3864851 × 10⁸

Factors of 138648510

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 60

Divisors of 138648510

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 13 14 15 18 19 21 22 26 27 30 33 35 38 39 42 45 54 55 57 63 65 66 70 77 78 81 90 91 95 99 105 110 114 117 126 130 133 135 143 154 162 165 171 182 189 190 195 198 209 210 231 234 243 247 266 270 273 285 286 297 315 330 342 351 378 385 390 399 405 418 429 455 462 486 494 495 513 546 567 570 585 594 627 630 665 693 702 715 729 741 770 798 810 819 855 858 891 910 945 990 1001 1026 1045 1053 1134 1155 1170 1197 1215 1235 1254 1287 1330 1365 1386 1430 1458 1463 1482 1485 1539 1638 1701 1710 1729 1755 1782 1881 1890 1995 2002 2079 2090 2106 2145 2223 2310 2394 2430 2457 2470 2565 2574 2673 2717 2730 2835 2926 2970 3003 3078 3135 3159 3402 3458 3465 3510 3591 3645 3705 3762 3861 3990 4095 4158 4290 4389 4446 4455 4617 4914 5005 5103 5130 5187 5265 5346 5434 5643 5670 5985 6006 6237 6270 6318 6435 6669 6930 7182 7290 7315 7371 7410 7695 7722 8019 8151 8190 8505 8645 8778 8910 9009 9234 9405 9477 10010 10206 10374 10395 10530 10773 11115 11286 11583 11970 12285 12474 12870 13167 13338 13365 13585 13851 14630 14742 15015 15390 15561 15795 16038 16302 16929 17010 17290 17955 18018 18711 18810 18954 19019 19305 20007 20790 21546 21945 22113 22230 23085 23166 24453 24570 25515 25935 26334 26730 27027 27170 27702 28215 30030 31122 31185 31590 32319 33345 33858 34749 35910 36855 37422 38038 38610 39501 40014 40095 40755 43890 44226 45045 46170 46683 47385 48906 50787 51030 51870 53865 54054 56133 56430 57057 57915 60021 62370 64638 65835 66339 66690 69255 69498 73359 73710 77805 79002 80190 81081 81510 84645 90090 93366 93555 94770 95095 96957 100035 101574 104247 107730 110565 112266 114114 115830 118503 120042 122265 131670 132678 135135 138510 140049 146718 152361 155610 161595 162162 169290 171171 173745 180063 187110 190190 193914 197505 200070 208494 220077 221130 233415 237006 243243 244530 253935 270270 280098 280665 285285 300105 304722 323190 331695 342342 347490 355509 360126 366795 395010 405405 420147 440154 466830 484785 486486 507870 513513 521235 561330 570570 592515 600210 660231 663390 700245 711018 729729 733590 761805 810810 840294 855855 900315 969570 1027026 1042470 1066527 1100385 1185030 1216215 1260441 1320462 1400490 1459458 1523610 1540539 1711710 1777545 1800630 1980693 2100735 2133054 2200770 2432430 2520882 2567565 3081078 3301155 3555090 3648645 3961386 4201470 4621617 5135130 5332635 6302205 6602310 7297290 7702695 9243234 9903465 10665270 12604410 13864851 15405390 19806930 23108085 27729702 46216170 69324255 138648510
• Sum of all divisors σ(n): 528837120
• Sum of proper divisors (its aliquot sum) s(n): 390188610
• 138648510 is an abundant number, because the sum of its proper divisors (390188610) is greater than itself. Its abundance is 251540100

Bases of 138648510

• Binary: 1000010000111001101110111110₂
• Hexadecimal: 0x8439BBE
• Base-36: 2AJPVI

Squares and roots of 138648510

• 138648510 squared (138648510²) is 19223409325220100
• 138648510 cubed (138648510³) is 2665297060061872287051000
• The square root of 138648510 is 11774.9101907403
• The cube root of 138648510 is 517.5731465603

Scales and comparisons

• 138,648,510 seconds is equal to 4 years, 21 weeks, 1 day, 17 hours, 28 minutes, 30 seconds.
• To count from 1 to 138,648,510 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 138648510 cubic inches would be around 43.1 feet tall.

Recreational maths with 138648510

• 138648510 backwards is 015846831
• The number of decimal digits it has is: 9
• The sum of 138648510's digits is 36
• More coming soon!