12978388992

Names of 12978388992

• Cardinal: 12978388992 can be written as Twelve billion, nine hundred seventy-eight million, three hundred eighty-eight thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.2978388992 × 10¹⁰

Factors of 12978388992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 105

Divisors of 12978388992

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 47 48 53 64 94 96 106 128 141 159 188 192 212 256 282 318 376 384 424 512 564 636 752 768 848 1024 1128 1272 1504 1536 1696 2048 2256 2491 2544 2809 3008 3072 3392 4096 4512 4982 5088 5618 6016 6144 6784 7473 8192 8427 9024 9964 10176 11236 12032 12288 13568 14946 16384 16854 18048 19928 20352 22472 24064 24576 27136 29892 32768 33708 36096 39856 40704 44944 48128 49152 54272 59784 67416 72192 79712 81408 89888 96256 98304 108544 119568 132023 134832 144384 159424 162816 179776 192512 217088 239136 264046 269664 288768 318848 325632 359552 385024 396069 434176 478272 528092 539328 577536 637696 651264 719104 770048 792138 868352 956544 1056184 1078656 1155072 1275392 1302528 1438208 1540096 1584276 1736704 1913088 2112368 2157312 2310144 2550784 2605056 2876416 3168552 3826176 4224736 4314624 4620288 5101568 5210112 5752832 6337104 7652352 8449472 8629248 10203136 11505664 12674208 15304704 16898944 17258496 20406272 23011328 25348416 30609408 33797888 34516992 40812544 46022656 50696832 61218816 67595776 69033984 81625088 92045312 101393664 122437632 135191552 138067968 202787328 244875264 270383104 276135936 405574656 540766208 811149312 1081532416 1622298624 2163064832 3244597248 4326129664 6489194496 12978388992
• Sum of all divisors σ(n): 36024327360
• Sum of proper divisors (its aliquot sum) s(n): 23045938368
• 12978388992 is an abundant number, because the sum of its proper divisors (23045938368) is greater than itself. Its abundance is 10067549376

Bases of 12978388992

• Binary: 1100000101100100101000000000000000₂
• Hexadecimal: 0x305928000
• Base-36: 5YMZX1C

Squares and roots of 12978388992

• 12978388992 squared (12978388992²) is 168438580827666776064
• 12978388992 cubed (12978388992³) is 2186061423241892735513146687488
• The square root of 12978388992 is 113922.7325514973
• The cube root of 12978388992 is 2350.0310237039

Scales and comparisons

• 12,978,388,992 seconds is equal to 412 years, 34 weeks, 6 days, 20 hours, 3 minutes, 12 seconds.
• To count from 1 to 12,978,388,992 would take you about eight hundred twenty-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 12978388992 cubic inches would be around 195.8 feet tall.

Recreational maths with 12978388992

• 12978388992 backwards is 29988387921
• The number of decimal digits it has is: 11
• The sum of 12978388992's digits is 66
• More coming soon!