12913155220

Names of 12913155220

• Cardinal: 12913155220 can be written as Twelve billion, nine hundred thirteen million, one hundred fifty-five thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.291315522 × 10¹⁰

Factors of 12913155220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1293

Divisors of 12913155220

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 67 70 98 134 140 193 196 245 268 335 386 469 490 670 772 938 965 980 1019 1340 1351 1876 1930 2038 2345 2702 3283 3860 4076 4690 5095 5404 6566 6755 7133 9380 9457 10190 12931 13132 13510 14266 16415 18914 20380 25862 27020 28532 32830 35665 37828 47285 49931 51724 64655 65660 68273 71330 90517 94570 99862 129310 136546 142660 181034 189140 196667 199724 249655 258620 273092 341365 362068 393334 452585 477911 499310 633619 682730 786668 905170 955822 983335 998620 1267238 1365460 1376669 1810340 1911644 1966670 2389555 2534476 2753338 3168095 3345377 3933340 4779110 5506676 6336190 6690754 6883345 9558220 9636683 12672380 13176689 13381508 13766690 16726885 19273366 26353378 27533380 33453770 38546732 48183415 52706756 65883445 66907540 92236823 96366830 131766890 184473646 192733660 263533780 368947292 461184115 645657761 922368230 1291315522 1844736460 2582631044 3228288805 6456577610 12913155220
• Sum of all divisors σ(n): 32213280960
• Sum of proper divisors (its aliquot sum) s(n): 19300125740
• 12913155220 is an abundant number, because the sum of its proper divisors (19300125740) is greater than itself. Its abundance is 6386970520

Bases of 12913155220

• Binary: 1100000001101011110001110010010100₂
• Hexadecimal: 0x301AF1C94
• Base-36: 5XK5QC4

Squares and roots of 12913155220

• 12913155220 squared (12913155220²) is 166749577735813248400
• 12913155220 cubed (12913155220³) is 2153263180172012629521616648000
• The square root of 12913155220 is 113636.0647857889
• The cube root of 12913155220 is 2346.0870581899

Scales and comparisons

• 12,913,155,220 seconds is equal to 410 years, 31 weeks, 19 hours, 33 minutes, 40 seconds.
• To count from 1 to 12,913,155,220 would take you about eight hundred twenty-one 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 12913155220 cubic inches would be around 195.5 feet tall.

Recreational maths with 12913155220

• 12913155220 backwards is 02255131921
• The number of decimal digits it has is: 11
• The sum of 12913155220's digits is 31
• More coming soon!