138456968832

Names of 138456968832

• Cardinal: 138456968832 can be written as One hundred thirty-eight billion, four hundred fifty-six million, nine hundred sixty-eight thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.38456968832 × 10¹¹

Factors of 138456968832

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1320776

Divisors of 138456968832

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 48 52 56 63 64 72 78 84 91 96 104 112 117 126 128 144 156 168 182 192 208 224 234 252 273 288 312 336 364 384 416 448 468 504 546 576 624 672 728 819 832 896 936 1008 1092 1152 1248 1344 1456 1638 1664 1872 2016 2184 2496 2688 2912 3276 3744 4032 4368 4992 5824 6552 7488 8064 8736 11648 13104 14976 17472 26208 34944 52416 104832 1320751 2641502 3962253 5283004 7924506 9245257 10566008 11886759 15849012 17169763 18490514 21132016 23773518 27735771 31698024 34339526 36981028 42264032 47547036 51509289 55471542 63396048 68679052 73962056 83207313 84528064 95094072 103018578 110943084 120188341 126792096 137358104 147924112 154527867 166414626 169056128 190188144 206037156 221886168 240376682 253584192 274716208 295848224 309055734 332829252 360565023 380376288 412074312 443772336 480753364 507168384 549432416 591696448 618111468 665658504 721130046 760752576 824148624 887544672 961506728 1081695069 1098864832 1183392896 1236222936 1331317008 1442260092 1521505152 1648297248 1775089344 1923013456 2163390138 2197729664 2472445872 2662634016 2884520184 3296594496 3550178688 3846026912 4326780276 4944891744 5325268032 5769040368 6593188992 7692053824 8653560552 9889783488 10650536064 11538080736 15384107648 17307121104 19779566976 23076161472 34614242208 46152322944 69228484416 138456968832
• Sum of all divisors σ(n): 490368802560
• Sum of proper divisors (its aliquot sum) s(n): 351911833728
• 138456968832 is an abundant number, because the sum of its proper divisors (351911833728) is greater than itself. Its abundance is 213454864896

Bases of 138456968832

• Binary: 10000000111100101011011010111010000000₂
• Hexadecimal: 0x203CADAE80
• Base-36: 1RLTPCW0

Squares and roots of 138456968832

• 138456968832 squared (138456968832²) is 19170332218145419444224
• 138456968832 cubed (138456968832³) is 2654266090426845764832489130426368
• The square root of 138456968832 is 372098.0634617707
• The cube root of 138456968832 is 5173.3469646315

Scales and comparisons

• 138,456,968,832 seconds is equal to 4,402 years, 26 weeks, 1 day, 5 hours, 7 minutes, 12 seconds.
• To count from 1 to 138,456,968,832 would take you about eight thousand, eight hundred five 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 138456968832 cubic inches would be around 431.1 feet tall.

Recreational maths with 138456968832

• 138456968832 backwards is 238869654831
• 138456968832 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138456968832's digits is 63
• More coming soon!