138961484928

Names of 138961484928

• Cardinal: 138961484928 can be written as One hundred thirty-eight billion, nine hundred sixty-one million, four hundred eighty-four thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38961484928 × 10¹¹

Factors of 138961484928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 535

Divisors of 138961484928

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 128 144 147 162 168 189 192 196 216 224 252 288 294 324 336 378 384 392 432 441 448 504 523 567 576 588 648 672 756 784 864 882 896 1008 1046 1134 1152 1176 1296 1323 1344 1512 1568 1569 1728 1764 2016 2092 2268 2352 2592 2646 2688 3024 3136 3138 3456 3528 3661 3969 4032 4184 4536 4704 4707 5184 5292 6048 6272 6276 7056 7322 7938 8064 8368 9072 9408 9414 10368 10584 10983 12096 12552 14112 14121 14644 15876 16736 18144 18816 18828 21168 21966 24192 25104 25627 28224 28242 29288 31752 32949 33472 36288 37656 42336 42363 43932 50208 51254 56448 56484 58576 63504 65898 66944 72576 75312 76881 84672 84726 87864 98847 100416 102508 112968 117152 127008 131796 150624 153762 169344 169452 175728 197694 200832 205016 225936 230643 234304 254016 263592 273529 296541 301248 307524 338904 351456 395388 410032 451872 461286 468608 508032 527184 547058 593082 602496 615048 677808 691929 702912 790776 820064 820587 903744 922572 1054368 1094116 1186164 1230096 1355616 1383858 1405824 1581552 1640128 1641174 1807488 1845144 1914703 2075787 2108736 2188232 2372328 2460192 2461761 2711232 2767716 3163104 3280256 3282348 3690288 3829406 4151574 4217472 4376464 4744656 4920384 4923522 5422464 5535432 5744109 6326208 6564696 7380576 7385283 7658812 8303148 8752928 9489312 9840768 9847044 11070864 11488218 12652416 13129392 13402921 14761152 14770566 15317624 16606296 17232327 17505856 18978624 19694088 22141728 22155849 22976436 26258784 26805842 29522304 29541132 30635248 33212592 34464654 35011712 37957248 39388176 40208763 44283456 44311698 45952872 51696981 52517568 53611684 59082264 61270496 66425184 68929308 78776352 80417526 88566912 88623396 91905744 103393962 105035136 107223368 118164528 120626289 122540992 132850368 137858616 155090943 157552704 160835052 177246792 183811488 206787924 214446736 236329056 241252578 245081984 265700736 275717232 310181886 315105408 321670104 354493584 361878867 367622976 413575848 428893472 472658112 482505156 551434464 620363772 643340208 708987168 723757734 735245952 827151696 857786944 945316224 965010312 1085636601 1102868928 1240727544 1286680416 1417974336 1447515468 1654303392 1715573888 1930020624 2171273202 2205737856 2481455088 2573360832 2835948672 2895030936 3308606784 3860041248 4342546404 4962910176 5146721664 5790061872 6617213568 7720082496 8685092808 9925820352 11580123744 15440164992 17370185616 19851640704 23160247488 34740371232 46320494976 69480742464 138961484928
• Sum of all divisors σ(n): 481986602955
• Sum of proper divisors (its aliquot sum) s(n): 343025118027
• 138961484928 is an abundant number, because the sum of its proper divisors (343025118027) is greater than itself. Its abundance is 204063633099

Bases of 138961484928

• Binary: 10000001011010101111111111110010000000₂
• Hexadecimal: 0x205ABFFC80
• Base-36: 1RU62W00

Squares and roots of 138961484928

• 138961484928 squared (138961484928²) is 19310294293394771165184
• 138961484928 cubed (138961484928³) is 2683387169406821903224725414346752
• The square root of 138961484928 is 372775.3813330489
• The cube root of 138961484928 is 5179.6229771855

Scales and comparisons

• 138,961,484,928 seconds is equal to 4,418 years, 28 weeks, 2 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 138,961,484,928 would take you about eight thousand, eight hundred thirty-seven 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 138961484928 cubic inches would be around 431.6 feet tall.

Recreational maths with 138961484928

• 138961484928 backwards is 829484169831
• 138961484928 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138961484928's digits is 63
• More coming soon!