138996947584

Names of 138996947584

• Cardinal: 138996947584 can be written as One hundred thirty-eight billion, nine hundred ninety-six million, nine hundred forty-seven thousand, five hundred eighty-four.

Scientific notation

• Scientific notation: 1.38996947584 × 10¹¹

Factors of 138996947584

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 205

Divisors of 138996947584

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 89 103 121 128 176 178 206 242 352 356 412 484 704 712 824 968 979 1133 1331 1408 1424 1648 1936 1958 2266 2662 2848 3296 3872 3916 4532 5324 5696 6592 7744 7832 7921 9064 9167 10648 10769 11392 12463 13184 15488 15664 15842 18128 18334 21296 21538 24926 31328 31684 36256 36668 42592 43076 49852 62656 63368 72512 73336 85184 86152 87131 99704 100837 118459 125312 126736 137093 145024 146672 170368 172304 174262 199408 201674 236918 253472 274186 293344 344608 348524 398816 403348 473836 506944 548372 586688 689216 697048 797632 806696 815863 947672 958441 1013888 1096744 1109207 1173376 1378432 1394096 1595264 1613392 1631726 1895344 1916882 2193488 2218414 2788192 3226784 3263452 3790688 3833764 4386976 4436828 5576384 6453568 6526904 7581376 7667528 8773952 8873656 8974493 10542851 11152768 12201277 12907136 13053808 15162752 15335056 17547904 17747312 17948986 21085702 24402554 26107616 30670112 35494624 35897972 42171404 48805108 52215232 61340224 70989248 71795944 84342808 97610216 98719423 104430464 122680448 141978496 143591888 168685616 195220432 197438846 287183776 337371232 390440864 394877692 574367552 674742464 780881728 789755384 1085913653 1148735104 1349484928 1561763456 1579510768 2171827306 3159021536 4343654612 6318043072 8687309224 12636086144 17374618448 34749236896 69498473792 138996947584
• Sum of all divisors σ(n): 311029318080
• Sum of proper divisors (its aliquot sum) s(n): 172032370496
• 138996947584 is an abundant number, because the sum of its proper divisors (172032370496) is greater than itself. Its abundance is 33035422912

Bases of 138996947584

• Binary: 10000001011100110111010001101010000000₂
• Hexadecimal: 0x205CDD1A80
• Base-36: 1RUR6Z5S

Squares and roots of 138996947584

• 138996947584 squared (138996947584²) is 19320151437669243437056
• 138996947584 cubed (138996947584³) is 2685442076696654073149408835272704
• The square root of 138996947584 is 372822.9440149841
• The cube root of 138996947584 is 5180.0635490581

Scales and comparisons

• 138,996,947,584 seconds is equal to 4,419 years, 34 weeks, 6 days, 23 hours, 13 minutes, 4 seconds.
• To count from 1 to 138,996,947,584 would take you about eight thousand, eight hundred thirty-nine 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 138996947584 cubic inches would be around 431.7 feet tall.

Recreational maths with 138996947584

• 138996947584 backwards is 485749699831
• The number of decimal digits it has is: 12
• The sum of 138996947584's digits is 73
• More coming soon!