138436862784

Names of 138436862784

• Cardinal: 138436862784 can be written as One hundred thirty-eight billion, four hundred thirty-six million, eight hundred sixty-two thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 1.38436862784 × 10¹¹

Factors of 138436862784

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 53

Divisors of 138436862784

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 37 44 48 64 66 74 88 96 111 121 132 148 176 192 222 242 264 296 352 363 407 444 484 528 592 704 726 814 888 968 1056 1184 1221 1331 1452 1628 1776 1936 2112 2368 2442 2662 2904 3256 3552 3872 3993 4477 4884 5324 5808 6512 7104 7744 7986 8954 9768 10648 11616 13024 13431 14641 15972 17908 19536 21296 23232 26048 26862 29282 31944 35816 39072 42592 43923 49247 53724 58564 63888 71632 78144 85184 87846 98494 107448 117128 127776 143264 147741 161051 175692 196988 214896 234256 255552 286528 295482 322102 351384 393976 429792 468512 483153 541717 590964 644204 702768 787952 859584 937024 966306 1083434 1181928 1288408 1405536 1575904 1625151 1771561 1932612 2166868 2363856 2576816 2811072 3151808 3250302 3543122 3865224 4333736 4727712 5153632 5314683 5958887 6500604 7086244 7730448 8667472 9455424 10307264 10629366 11917774 13001208 14172488 15460896 17334944 17876661 19487171 21258732 23835548 26002416 28344976 30921792 34669888 35753322 38974342 42517464 47671096 52004832 56689952 58461513 65547757 71506644 77948684 85034928 95342192 104009664 113379904 116923026 131095514 143013288 155897368 170069856 190684384 196643271 233846052 262191028 286026576 311794736 340139712 381368768 393286542 467692104 524382056 572053152 623589472 721025327 786573084 935384208 1048764112 1144106304 1247178944 1442050654 1573146168 1870768416 2097528224 2163075981 2884101308 3146292336 3741536832 4195056448 4326151962 5768202616 6292584672 8652303924 11536405232 12585169344 17304607848 23072810464 34609215696 46145620928 69218431392 138436862784
• Sum of all divisors σ(n): 413798381952
• Sum of proper divisors (its aliquot sum) s(n): 275361519168
• 138436862784 is an abundant number, because the sum of its proper divisors (275361519168) is greater than itself. Its abundance is 136924656384

Bases of 138436862784

• Binary: 10000000111011011110101110001101000000₂
• Hexadecimal: 0x203B7AE340
• Base-36: 1RLHQEYO

Squares and roots of 138436862784

• 138436862784 squared (138436862784²) is 19164764977476044230656
• 138436862784 cubed (138436862784³) is 2653109939474459985806439518306304
• The square root of 138436862784 is 372071.0453448373
• The cube root of 138436862784 is 5173.0965364093

Scales and comparisons

• 138,436,862,784 seconds is equal to 4,401 years, 44 weeks, 6 days, 12 hours, 6 minutes, 24 seconds.
• To count from 1 to 138,436,862,784 would take you about eight thousand, eight hundred 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 138436862784 cubic inches would be around 431.1 feet tall.

Recreational maths with 138436862784

• 138436862784 backwards is 487268634831
• The number of decimal digits it has is: 12
• The sum of 138436862784's digits is 60
• More coming soon!