15212168140

Names of 15212168140

• Cardinal: 15212168140 can be written as Fifteen billion, two hundred twelve million, one hundred sixty-eight thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.521216814 × 10¹⁰

Factors of 15212168140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 937

Divisors of 15212168140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 289 340 442 443 457 578 884 886 914 1105 1156 1445 1772 1828 2210 2215 2285 2890 3757 4420 4430 4570 5759 5780 5941 7514 7531 7769 8860 9140 11518 11882 15028 15062 15538 18785 23036 23764 28795 29705 30124 31076 37570 37655 38845 57590 59410 75140 75310 77690 97903 100997 115180 118820 128027 132073 150620 155380 195806 201994 202451 256054 264146 391612 403988 404902 489515 504985 512108 528292 640135 660365 809804 979030 1009970 1012255 1280270 1320730 1664351 1716949 1958060 2019940 2024510 2560540 2631863 2641460 3328702 3433898 3441667 4049020 5263726 6657404 6867796 6883334 8321755 8584745 10527452 13159315 13766668 16643510 17169490 17208335 26318630 33287020 34338980 34416670 44741671 52637260 58508339 68833340 89483342 117016678 178966684 223708355 234033356 292541695 447416710 585083390 760608407 894833420 1170166780 1521216814 3042433628 3803042035 7606084070 15212168140
• Sum of all divisors σ(n): 36708289632
• Sum of proper divisors (its aliquot sum) s(n): 21496121492
• 15212168140 is an abundant number, because the sum of its proper divisors (21496121492) is greater than itself. Its abundance is 6283953352

Bases of 15212168140

• Binary: 1110001010101101110100001111001100₂
• Hexadecimal: 0x38AB743CC
• Base-36: 6ZKXK24

Squares and roots of 15212168140

• 15212168140 squared (15212168140²) is 231410059519631059600
• 15212168140 cubed (15212168140³) is 3520248734700035309401561144000
• The square root of 15212168140 is 123337.6185111419
• The cube root of 15212168140 is 2477.7854917161

Scales and comparisons

• 15,212,168,140 seconds is equal to 483 years, 36 weeks, 2 days, 18 hours, 15 minutes, 40 seconds.
• To count from 1 to 15,212,168,140 would take you about nine hundred sixty-seven 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 15212168140 cubic inches would be around 206.5 feet tall.

Recreational maths with 15212168140

• 15212168140 backwards is 04186121251
• The number of decimal digits it has is: 11
• The sum of 15212168140's digits is 31
• More coming soon!