12893844640

Names of 12893844640

• Cardinal: 12893844640 can be written as Twelve billion, eight hundred ninety-three million, eight hundred forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.289384464 × 10¹⁰

Factors of 12893844640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 245

Divisors of 12893844640

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 47 80 94 160 188 191 235 376 382 470 752 764 940 955 1504 1528 1880 1910 2209 3056 3760 3820 4418 6112 7520 7640 8836 8977 11045 15280 17672 17954 22090 30560 35344 35908 36481 44180 44885 70688 71816 72962 88360 89770 143632 145924 176720 179540 182405 287264 291848 353440 359080 364810 421919 583696 718160 729620 843838 1167392 1436320 1459240 1687676 1714607 2109595 2918480 3375352 3429214 4219190 5836960 6750704 6858428 8438380 8573035 13501408 13716856 16876760 17146070 27433712 33753520 34292140 54867424 67507040 68584280 80586529 137168560 161173058 274337120 322346116 402932645 644692232 805865290 1289384464 1611730580 2578768928 3223461160 6446922320 12893844640
• Sum of all divisors σ(n): 31287423258
• Sum of proper divisors (its aliquot sum) s(n): 18393578618
• 12893844640 is an abundant number, because the sum of its proper divisors (18393578618) is greater than itself. Its abundance is 5499733978

Bases of 12893844640

• Binary: 1100000000100010000111010010100000₂
• Hexadecimal: 0x3008874A0
• Base-36: 5X8NU74

Squares and roots of 12893844640

• 12893844640 squared (12893844640²) is 166251229600456729600
• 12893844640 cubed (12893844640³) is 2143617525677258344504889344000
• The square root of 12893844640 is 113551.0662213259
• The cube root of 12893844640 is 2344.9170135647

Scales and comparisons

• 12,893,844,640 seconds is equal to 409 years, 51 weeks, 1 day, 7 hours, 30 minutes, 40 seconds.
• To count from 1 to 12,893,844,640 would take you about eight hundred nineteen 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 12893844640 cubic inches would be around 195.4 feet tall.

Recreational maths with 12893844640

• 12893844640 backwards is 04644839821
• The number of decimal digits it has is: 11
• The sum of 12893844640's digits is 49
• More coming soon!