12051665990

Names of 12051665990

• Cardinal: 12051665990 can be written as Twelve billion, fifty-one million, six hundred sixty-five thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.205166599 × 10¹⁰

Factors of 12051665990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4078

Divisors of 12051665990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 13 14 19 26 35 38 65 70 91 95 130 133 181 182 190 247 266 362 455 494 665 905 910 1235 1267 1330 1729 1810 2353 2470 2534 3439 3458 3851 4706 6335 6878 7702 8645 11765 12670 16471 17195 17290 19255 23530 24073 26957 32942 34390 38510 44707 48146 50063 53914 73169 82355 89414 100126 120365 134785 146338 164710 223535 240730 250315 269570 312949 350441 365845 447070 500630 512183 625898 697031 700882 731690 951197 1024366 1394062 1564745 1752205 1902394 2560915 3129490 3485155 3504410 4755985 4879217 5121830 6658379 6970310 9061403 9511970 9758434 13243589 13316758 18122806 24396085 26487178 33291895 45307015 48792170 63429821 66217945 66583790 90614030 92705123 126859642 132435890 172166657 185410246 317149105 344333314 463525615 634298210 860833285 927051230 1205166599 1721666570 2410333198 6025832995 12051665990
• Sum of all divisors σ(n): 28266900480
• Sum of proper divisors (its aliquot sum) s(n): 16215234490
• 12051665990 is an abundant number, because the sum of its proper divisors (16215234490) is greater than itself. Its abundance is 4163568500

Bases of 12051665990

• Binary: 1011001110010101011101010001000110₂
• Hexadecimal: 0x2CE55D446
• Base-36: 5JB90ZQ

Squares and roots of 12051665990

• 12051665990 squared (12051665990²) is 145242653134522680100
• 12051665990 cubed (12051665990³) is 1750415943078693878644819799000
• The square root of 12051665990 is 109780.0801147457
• The cube root of 12051665990 is 2292.7094916235

Scales and comparisons

• 12,051,665,990 seconds is equal to 383 years, 10 weeks, 4 days, 20 hours, 59 minutes, 50 seconds.
• To count from 1 to 12,051,665,990 would take you about seven hundred sixty-six 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 12051665990 cubic inches would be around 191.1 feet tall.

Recreational maths with 12051665990

• 12051665990 backwards is 09956615021
• The number of decimal digits it has is: 11
• The sum of 12051665990's digits is 44
• More coming soon!