162981789138

Names of 162981789138

• Cardinal: 162981789138 can be written as One hundred sixty-two billion, nine hundred eighty-one million, seven hundred eighty-nine thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.62981789138 × 10¹¹

Factors of 162981789138

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 562

Divisors of 162981789138

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 38 42 43 49 57 63 79 86 98 114 126 129 133 147 158 171 237 258 266 294 301 342 343 387 399 409 441 474 553 602 686 711 774 798 817 818 882 903 931 1029 1106 1197 1227 1422 1501 1634 1659 1806 1862 2058 2107 2394 2451 2454 2709 2793 2863 3002 3087 3318 3397 3681 3871 4214 4503 4902 4977 5418 5586 5719 5726 6174 6321 6517 6794 7353 7362 7742 7771 8379 8589 9006 9954 10191 10507 11438 11613 12642 13034 13509 14706 14749 15542 16758 17157 17178 17587 18963 19551 20041 20382 21014 23226 23313 23779 25767 27018 27097 29498 30573 31521 32311 34314 34839 35174 37926 39102 40033 40082 44247 46626 47558 51471 51534 52761 54194 54397 58653 60123 61146 63042 64543 64622 69678 69939 71337 73549 80066 81291 88494 94563 96933 102942 105522 108794 117306 120099 120246 123109 129086 132741 139878 140287 142674 147098 158283 162582 163191 166453 180369 189126 193629 193866 214011 220647 226177 240198 243873 246218 265482 280231 280574 290799 316566 326382 332906 334153 360297 360738 369327 380779 387258 420861 428022 441294 451801 452354 487746 489573 499359 514843 560462 580887 581598 613909 661941 668306 678531 720594 738654 761558 840693 841722 861763 903602 979146 998718 1002459 1029686 1107981 1142337 1161774 1165171 1227818 1262583 1323882 1355403 1357062 1389373 1498077 1544529 1583239 1681386 1723526 1841727 2004918 2035593 2215962 2284674 2330342 2339071 2522079 2525166 2585289 2665453 2710806 2778746 2996154 3007377 3089058 3162607 3166478 3427011 3495513 3683454 4066209 4071186 4168119 4297363 4633587 4678142 4749717 5044158 5170578 5330906 5525181 6014754 6032341 6325214 6854022 6991026 7017213 7755867 7996359 8132418 8336238 8594726 9267174 9487821 9499434 9725611 10486539 11050362 11082673 12064682 12504357 12892089 14034426 14249151 15511734 15992718 16373497 18097023 18975642 19451222 20973078 21051639 22138249 22165346 23989077 25008714 25784178 26398087 28463463 28498302 29176833 30081541 32746994 33248019 36194046 38676267 42103278 44276498 47978154 49120491 52796174 54291069 56926926 58353666 60163082 66414747 66496038 68079277 77352534 79194261 87530499 90244623 98240982 99744057 108582138 114614479 132829494 136158554 147361473 158388522 175060998 180489246 184786609 199244241 199488114 204237831 210570787 229228958 237582783 270733869 294722946 343843437 369573218 398488482 408475662 421141574 475165566 476554939 541467738 554359827 612713493 631712361 687686874 953109878 1031530311 1108719654 1225426986 1263424722 1293506263 1429664817 1663079481 1895137083 2063060622 2587012526 2859329634 3326158962 3790274166 3880518789 4288994451 7761037578 8577988902 9054543841 11641556367 18109087682 23283112734 27163631523 54327263046 81490894569 162981789138
• Sum of all divisors σ(n): 450278400000
• Sum of proper divisors (its aliquot sum) s(n): 287296610862
• 162981789138 is an abundant number, because the sum of its proper divisors (287296610862) is greater than itself. Its abundance is 124314821724

Bases of 162981789138

• Binary: 10010111110010011110001011110111010010₂
• Hexadecimal: 0x25F278BDD2
• Base-36: 22VF5DCI

Squares and roots of 162981789138

• 162981789138 squared (162981789138²) is 26563063590623494783044
• 162981789138 cubed (162981789138³) is 4329295628986283580678720265776072
• The square root of 162981789138 is 403710.0310098821
• The cube root of 162981789138 is 5462.3521325277

Scales and comparisons

• 162,981,789,138 seconds is equal to 5,182 years, 16 weeks, 3 days, 7 hours, 12 minutes, 18 seconds.
• To count from 1 to 162,981,789,138 would take you about ten thousand, three hundred sixty-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 162981789138 cubic inches would be around 455.2 feet tall.

Recreational maths with 162981789138

• 162981789138 backwards is 831987189261
• 162981789138 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 162981789138's digits is 63
• More coming soon!