20389292800

Names of 20389292800

• Cardinal: 20389292800 can be written as Twenty billion, three hundred eighty-nine million, two hundred ninety-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.03892928 × 10¹⁰

Factors of 20389292800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1773

Divisors of 20389292800

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 43 50 64 80 86 100 128 160 172 200 215 256 320 344 400 430 640 688 800 860 1075 1280 1376 1600 1720 1723 1849 2150 2752 3200 3440 3446 3698 4300 5504 6400 6880 6892 7396 8600 8615 9245 11008 13760 13784 14792 17200 17230 18490 27520 27568 29584 34400 34460 36980 43075 46225 55040 55136 59168 68800 68920 73960 74089 86150 92450 110272 118336 137600 137840 147920 148178 172300 184900 220544 236672 275200 275680 295840 296356 344600 369800 370445 441088 473344 551360 591680 592712 689200 739600 740890 1102720 1183360 1185424 1378400 1479200 1481780 1852225 2205440 2366720 2370848 2756800 2958400 2963560 3185827 3704450 4741696 5513600 5916800 5927120 6371654 7408900 9483392 11027200 11833600 11854240 12743308 14817800 15929135 18966784 23708480 25486616 29635600 31858270 47416960 50973232 59271200 63716540 79645675 94833920 101946464 118542400 127433080 159291350 203892928 237084800 254866160 318582700 407785856 474169600 509732320 637165400 815571712 1019464640 1274330800 2038929280 2548661600 4077858560 5097323200 10194646400 20389292800
• Sum of all divisors σ(n): 51697610412
• Sum of proper divisors (its aliquot sum) s(n): 31308317612
• 20389292800 is an abundant number, because the sum of its proper divisors (31308317612) is greater than itself. Its abundance is 10919024812

Bases of 20389292800

• Binary: 10010111111010010111110101100000000₂
• Hexadecimal: 0x4BF4BEB00
• Base-36: 9D79B0G

Squares and roots of 20389292800

• 20389292800 squared (20389292800²) is 415723260884131840000
• 20389292800 cubed (20389292800³) is 8476303289937350959562752000000
• The square root of 20389292800 is 142791.0809539587
• The cube root of 20389292800 is 2731.9162884229

Scales and comparisons

• 20,389,292,800 seconds is equal to 648 years, 16 weeks, 3 days, 4 hours, 26 minutes, 40 seconds.
• To count from 1 to 20,389,292,800 would take you about one thousand, two hundred ninety-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 20389292800 cubic inches would be around 227.7 feet tall.

Recreational maths with 20389292800

• 20389292800 backwards is 00829298302
• 20389292800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20389292800's digits is 43
• More coming soon!