20279928320

Names of 20279928320

• Cardinal: 20279928320 can be written as Twenty billion, two hundred seventy-nine million, nine hundred twenty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.027992832 × 10¹⁰

Factors of 20279928320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 10904

Divisors of 20279928320

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 43 64 68 80 85 86 128 136 160 170 172 215 256 272 320 340 344 430 512 544 640 680 688 731 860 1088 1280 1360 1376 1462 1720 2176 2560 2720 2752 2924 3440 3655 4352 5440 5504 5848 6880 7310 8704 10837 10880 11008 11696 13760 14620 21674 21760 22016 23392 27520 29240 43348 43520 46784 54185 55040 58480 86696 93568 108370 110080 116960 173392 184229 187136 216740 233920 346784 368458 374272 433480 465991 467840 693568 736916 866960 921145 931982 935680 1387136 1473832 1733920 1842290 1863964 1871360 2329955 2774272 2947664 3467840 3684580 3727928 4659910 5548544 5895328 6935680 7369160 7455856 7921847 9319820 11790656 13871360 14738320 14911712 15843694 18639640 23581312 27742720 29476640 29823424 31687388 37279280 39609235 47162624 58953280 59646848 63374776 74558560 79218470 94325248 117906560 119293696 126749552 149117120 158436940 235813120 238587392 253499104 298234240 316873880 471626240 506998208 596468480 633747760 1013996416 1192936960 1267495520 2027992832 2534991040 4055985664 5069982080 10139964160 20279928320
• Sum of all divisors σ(n): 52686726048
• Sum of proper divisors (its aliquot sum) s(n): 32406797728
• 20279928320 is an abundant number, because the sum of its proper divisors (32406797728) is greater than itself. Its abundance is 12126869408

Bases of 20279928320

• Binary: 10010111000110001110010011000000000₂
• Hexadecimal: 0x4B8C72600
• Base-36: 9BE58U8

Squares and roots of 20279928320

• 20279928320 squared (20279928320²) is 411275492664338022400
• 20279928320 cubed (20279928320³) is 8340637511005460914522554368000
• The square root of 20279928320 is 142407.6132796277
• The cube root of 20279928320 is 2727.0230274393

Scales and comparisons

• 20,279,928,320 seconds is equal to 644 years, 43 weeks, 4 days, 9 hours, 25 minutes, 20 seconds.
• To count from 1 to 20,279,928,320 would take you about one thousand, two hundred eighty-nine 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 20279928320 cubic inches would be around 227.3 feet tall.

Recreational maths with 20279928320

• 20279928320 backwards is 02382997202
• The number of decimal digits it has is: 11
• The sum of 20279928320's digits is 44
• More coming soon!