20929929280

Names of 20929929280

• Cardinal: 20929929280 can be written as Twenty billion, nine hundred twenty-nine million, nine hundred twenty-nine thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.092992928 × 10¹⁰

Factors of 20929929280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 134

Divisors of 20929929280

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 41 52 64 65 73 80 82 104 130 146 160 164 205 208 260 292 320 328 365 410 416 520 533 584 656 730 820 832 949 1040 1066 1168 1312 1460 1640 1681 1898 2080 2132 2336 2624 2665 2920 2993 3280 3362 3796 4160 4264 4672 4745 5330 5840 5986 6560 6724 7592 8405 8528 9490 10660 11680 11972 13120 13448 14965 15184 16810 17056 18980 21320 21853 23360 23944 26896 29930 30368 33620 34112 37960 38909 42640 43706 47888 53792 59860 60736 67240 68921 75920 77818 85280 87412 95776 107584 109265 119720 122713 134480 137842 151840 155636 170560 174824 191552 194545 218530 239440 245426 268960 275684 303680 311272 344605 349648 389090 437060 478880 490852 537920 551368 613565 622544 689210 699296 778180 874120 895973 957760 981704 1102736 1227130 1245088 1378420 1398592 1556360 1595269 1748240 1791946 1963408 2205472 2454260 2490176 2756840 3112720 3190538 3496480 3583892 3926816 4410944 4479865 4908520 5031233 5513680 6225440 6381076 6992960 7167784 7853632 7976345 8959730 9817040 10062466 11027360 12450880 12762152 14335568 15952690 17919460 19634080 20124932 22054720 25156165 25524304 28671136 31905380 35838920 39268160 40249864 50312330 51048608 57342272 63810760 65406029 71677840 80499728 100624660 102097216 127621520 130812058 143355680 160999456 201249320 255243040 261624116 286711360 321998912 327030145 402498640 510486080 523248232 654060290 804997280 1046496464 1308120580 1609994560 2092992928 2616241160 4185985856 5232482320 10464964640 20929929280
• Sum of all divisors σ(n): 55768634208
• Sum of proper divisors (its aliquot sum) s(n): 34838704928
• 20929929280 is an abundant number, because the sum of its proper divisors (34838704928) is greater than itself. Its abundance is 13908775648

Bases of 20929929280

• Binary: 10011011111100001010110000001000000₂
• Hexadecimal: 0x4DF856040
• Base-36: 9M550SG

Squares and roots of 20929929280

• 20929929280 squared (20929929280²) is 438061939665801318400
• 20929929280 cubed (20929929280³) is 9168605417464848428642762752000
• The square root of 20929929280 is 144671.7984957677
• The cube root of 20929929280 is 2755.8521887667

Scales and comparisons

• 20,929,929,280 seconds is equal to 665 years, 26 weeks, 2 days, 13 hours, 14 minutes, 40 seconds.
• To count from 1 to 20,929,929,280 would take you about one thousand, three hundred thirty-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 20929929280 cubic inches would be around 229.7 feet tall.

Recreational maths with 20929929280

• 20929929280 backwards is 08292992902
• 20929929280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20929929280's digits is 52
• More coming soon!