1318938390

Names of 1318938390

• Cardinal: 1318938390 can be written as One billion, three hundred eighteen million, nine hundred thirty-eight thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.31893839 × 10⁹

Factors of 1318938390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 100

Divisors of 1318938390

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 19 21 22 27 30 33 35 38 42 45 49 53 54 55 57 63 66 70 77 81 90 95 98 99 105 106 110 114 126 133 135 147 154 159 162 165 171 189 190 198 209 210 231 243 245 265 266 270 285 294 297 315 318 330 342 371 378 385 399 405 418 441 462 477 486 490 495 513 530 539 567 570 583 594 627 630 665 693 735 742 770 795 798 810 855 882 891 931 945 954 990 1007 1026 1045 1078 1113 1134 1155 1166 1197 1215 1254 1323 1330 1386 1431 1463 1470 1485 1539 1590 1617 1701 1710 1749 1782 1855 1862 1881 1890 1995 2014 2079 2090 2205 2226 2310 2385 2394 2430 2565 2597 2646 2673 2695 2793 2835 2862 2915 2926 2970 3021 3078 3135 3234 3339 3402 3465 3498 3591 3710 3762 3969 3990 4081 4158 4293 4389 4410 4455 4617 4655 4770 4851 5035 5130 5194 5247 5346 5390 5565 5586 5643 5670 5830 5985 6042 6237 6270 6615 6678 6930 7049 7155 7182 7315 7695 7791 7938 8085 8162 8379 8505 8586 8745 8778 8910 9063 9234 9310 9405 9702 10017 10070 10241 10395 10494 10773 11077 11130 11286 11907 11970 12243 12474 12879 12985 13167 13230 13365 13965 14098 14310 14553 14630 15105 15390 15582 15741 16170 16695 16758 16929 17010 17490 17955 18126 18711 18810 19845 20034 20405 20482 20790 21147 21465 21546 21945 22154 23085 23373 23814 24255 24486 25137 25758 25970 26235 26334 26730 27189 27930 28215 28567 29106 30051 30210 30723 31185 31482 32319 33231 33390 33858 35245 35910 36729 37422 38955 39501 39690 40810 41895 42294 42930 43659 43890 45315 46170 46746 47223 48510 49343 50085 50274 50787 51205 52470 53865 54378 55385 56430 57134 59535 60102 61215 61446 62370 63441 64395 64638 65835 66462 70119 70490 72765 73458 75411 77539 77910 78705 79002 81567 83790 84645 85701 87318 90153 90630 92169 93555 94446 98686 99693 100170 101574 102410 105735 107730 110187 110770 116865 118503 119070 122430 125685 126882 128790 130977 131670 135945 140238 141669 142835 145530 148029 150255 150822 153615 155078 157410 161595 163134 166155 169290 171402 180306 183645 184338 187110 190323 197505 199386 210357 211470 218295 220374 226233 232617 233730 236115 237006 244701 246715 251370 253935 257103 261954 271890 276507 283338 285670 296058 299079 300510 307230 317205 323190 330561 332310 350595 355509 367290 377055 380646 387695 395010 407835 420714 428505 436590 444087 450765 452466 460845 465234 472230 489402 493430 498465 507870 514206 542773 550935 553014 570969 592515 598158 631071 634410 654885 661122 697851 701190 708345 711018 740145 754110 771309 775390 815670 829521 857010 888174 897237 901530 921690 951615 991683 996930 1051785 1085546 1101870 1131165 1141938 1163085 1185030 1223505 1262142 1285515 1309770 1332261 1382535 1395702 1416690 1480290 1495395 1542618 1628319 1652805 1659042 1712907 1777545 1794474 1903230 1983366 2093553 2103570 2220435 2262330 2313927 2326170 2447010 2488563 2571030 2664522 2691711 2713865 2765070 2854845 2990790 3155355 3256638 3305610 3425814 3489255 3555090 3856545 3996783 4147605 4187106 4440870 4486185 4627854 4884957 4958415 4977126 5383422 5427730 5709690 6280659 6310710 6661305 6941781 6978510 7713090 7993566 8141595 8295210 8564535 8972370 9769914 9916830 10467765 11569635 11990349 12442815 12561318 13322610 13458555 13883562 14654871 16283190 17129070 18841977 19983915 20935530 23139270 23980698 24424785 24885630 26917110 29309742 31403295 34708905 37683954 39967830 43964613 48849570 59951745 62806590 69417810 73274355 87929226 94209885 119903490 131893839 146548710 188419770 219823065 263787678 439646130 659469195 1318938390
• Sum of all divisors σ(n): 4840093440
• Sum of proper divisors (its aliquot sum) s(n): 3521155050
• 1318938390 is an abundant number, because the sum of its proper divisors (3521155050) is greater than itself. Its abundance is 2202216660

Bases of 1318938390

• Binary: 1001110100111010110011100010110₂
• Hexadecimal: 0x4E9D6716
• Base-36: LT9FDI

Squares and roots of 1318938390

• 1318938390 squared (1318938390²) is 1739598476615792100
• 1318938390 cubed (1318938390³) is 2294423213994085480948719000
• The square root of 1318938390 is 36317.1913836959
• The cube root of 1318938390 is 1096.6671545695

Scales and comparisons

• 1,318,938,390 seconds is equal to 41 years, 48 weeks, 5 days, 11 hours, 46 minutes, 30 seconds.
• To count from 1 to 1,318,938,390 would take you about eighty-three 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 1318938390 cubic inches would be around 91.4 feet tall.

Recreational maths with 1318938390

• 1318938390 backwards is 0938398131
• 1318938390 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1318938390's digits is 45
• More coming soon!