20407228128

Names of 20407228128

• Cardinal: 20407228128 can be written as Twenty billion, four hundred seven million, two hundred twenty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0407228128 × 10¹⁰

Factors of 20407228128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 66190

Divisors of 20407228128

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 27 28 32 34 36 42 48 51 54 56 63 68 72 81 84 96 102 108 112 119 126 136 144 153 162 168 189 204 216 224 238 252 272 288 306 324 336 357 378 408 432 459 476 504 544 567 612 648 672 714 756 816 864 918 952 1008 1071 1134 1224 1296 1377 1428 1512 1632 1836 1904 2016 2142 2268 2448 2592 2754 2856 3024 3213 3672 3808 4284 4536 4896 5508 5712 6048 6426 7344 8568 9072 9639 11016 11424 12852 14688 17136 18144 19278 22032 25704 34272 38556 44064 51408 66161 77112 102816 132322 154224 198483 264644 308448 396966 463127 529288 595449 793932 926254 1058576 1124737 1190898 1389381 1587864 1786347 1852508 2117152 2249474 2381796 2778762 3175728 3374211 3572694 3705016 4168143 4498948 4763592 5359041 5557524 6351456 6748422 7145388 7410032 7873159 8336286 8997896 9527184 10122633 10718082 11115048 12504429 13496844 14290776 14820064 15746318 16672572 17995792 19054368 20245266 21436164 22230096 23619477 25008858 26993688 28581552 30367899 31492636 33345144 35991584 37513287 40490532 42872328 44460192 47238954 50017716 53987376 57163104 60735798 62985272 66690288 70858431 75026574 80981064 85744656 91103697 94477908 100035432 107974752 121471596 125970544 133380576 141716862 150053148 161962128 171489312 182207394 188955816 200070864 212575293 242943192 251941088 283433724 300106296 323924256 364414788 377911632 400141728 425150586 485886384 566867448 600212592 637725879 728829576 755823264 850301172 971772768 1133734896 1200425184 1275451758 1457659152 1700602344 2267469792 2550903516 2915318304 3401204688 5101807032 6802409376 10203614064 20407228128
• Sum of all divisors σ(n): 72626821344
• Sum of proper divisors (its aliquot sum) s(n): 52219593216
• 20407228128 is an abundant number, because the sum of its proper divisors (52219593216) is greater than itself. Its abundance is 31812365088

Bases of 20407228128

• Binary: 10011000000010111011001011011100000₂
• Hexadecimal: 0x4C05D96E0
• Base-36: 9DHXQ00

Squares and roots of 20407228128

• 20407228128 squared (20407228128²) is 416454959868234384384
• 20407228128 cubed (20407228128³) is 8498691371068143902697928753152
• The square root of 20407228128 is 142853.8698390771
• The cube root of 20407228128 is 2732.7170919837

Scales and comparisons

• 20,407,228,128 seconds is equal to 648 years, 46 weeks, 18 hours, 28 minutes, 48 seconds.
• To count from 1 to 20,407,228,128 would take you about one thousand, two hundred ninety-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 20407228128 cubic inches would be around 227.7 feet tall.

Recreational maths with 20407228128

• 20407228128 backwards is 82182270402
• 20407228128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20407228128's digits is 36
• More coming soon!