12638845184

Names of 12638845184

• Cardinal: 12638845184 can be written as Twelve billion, six hundred thirty-eight million, eight hundred forty-five thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 1.2638845184 × 10¹⁰

Factors of 12638845184

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 720

Divisors of 12638845184

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 14 16 23 28 32 46 49 56 64 71 92 98 112 128 142 161 184 196 224 256 284 322 368 392 448 497 568 617 644 736 784 896 994 1127 1136 1234 1288 1472 1568 1633 1792 1988 2254 2272 2468 2576 2944 3136 3266 3479 3976 4319 4508 4544 4936 5152 5888 6272 6532 6958 7952 8638 9016 9088 9872 10304 11431 12544 13064 13916 14191 15904 17276 18032 18176 19744 20608 22862 26128 27832 28382 30233 31808 34552 36064 39488 41216 43807 45724 52256 55664 56764 60466 63616 69104 72128 78976 80017 87614 91448 99337 104512 111328 113528 120932 127232 138208 144256 157952 160034 175228 182896 198674 209024 222656 227056 241864 276416 288512 306649 320068 350456 365792 397348 418048 445312 454112 483728 552832 613298 640136 695359 700912 731584 794696 890624 908224 967456 1007561 1105664 1226596 1280272 1390718 1401824 1463168 1589392 1816448 1934912 2015122 2146543 2453192 2560544 2781436 2803648 2926336 3178784 3632896 3869824 4030244 4293086 4906384 5121088 5562872 5607296 6357568 7052927 7739648 8060488 8586172 9812768 10242176 11125744 11214592 12715136 14105854 16120976 17172344 19625536 20484352 22251488 25430272 28211708 32241952 34344688 39251072 44502976 49370489 56423416 64483904 68689376 78502144 89005952 98740978 112846832 128967808 137378752 178011904 197481956 225693664 257935616 274757504 394963912 451387328 549515008 789927824 902774656 1579855648 1805549312 3159711296 6319422592 12638845184
• Sum of all divisors σ(n): 31104839808
• Sum of proper divisors (its aliquot sum) s(n): 18465994624
• 12638845184 is an abundant number, because the sum of its proper divisors (18465994624) is greater than itself. Its abundance is 5827149440

Bases of 12638845184

• Binary: 1011110001010101010111100100000000₂
• Hexadecimal: 0x2F1557900
• Base-36: 5T0UBCW

Squares and roots of 12638845184

• 12638845184 squared (12638845184²) is 159740407585119993856
• 12638845184 cubed (12638845184³) is 2018934281097390904409015189504
• The square root of 12638845184 is 112422.6186494515
• The cube root of 12638845184 is 2329.3556264867

Scales and comparisons

• 12,638,845,184 seconds is equal to 401 years, 45 weeks, 3 days, 22 hours, 19 minutes, 44 seconds.
• To count from 1 to 12,638,845,184 would take you about 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 12638845184 cubic inches would be around 194.1 feet tall.

Recreational maths with 12638845184

• 12638845184 backwards is 48154883621
• The number of decimal digits it has is: 11
• The sum of 12638845184's digits is 50
• More coming soon!