20440023890

Names of 20440023890

• Cardinal: 20440023890 can be written as Twenty billion, four hundred forty million, twenty-three thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.044002389 × 10¹⁰

Factors of 20440023890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4068

Divisors of 20440023890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 11 13 22 26 29 55 58 65 110 127 130 143 145 254 286 290 319 377 635 638 715 754 1270 1397 1430 1595 1651 1885 2794 3190 3302 3683 3770 3881 4147 6985 7366 7762 8255 8294 13970 16510 18161 18415 19405 20735 36322 36830 38810 40513 41470 42691 47879 50453 81026 85382 90805 95758 100906 112549 181610 202565 213455 225098 239395 252265 405130 426910 478790 492887 504530 526669 554983 562745 985774 1053338 1109966 1125490 1238039 1463137 2464435 2476078 2633345 2774915 2926274 4928870 5266690 5421757 5549830 6190195 6407531 7315685 10843514 12380390 12815062 14293723 14631370 16094507 27108785 28587446 32037655 32189014 54217570 64075310 70482841 71468615 80472535 140965682 142937230 157230953 160945070 185818399 314461906 352414205 371636798 704828410 786154765 929091995 1572309530 1858183990 2044002389 4088004778 10220011945 20440023890
• Sum of all divisors σ(n): 45078405120
• Sum of proper divisors (its aliquot sum) s(n): 24638381230
• 20440023890 is an abundant number, because the sum of its proper divisors (24638381230) is greater than itself. Its abundance is 4198357340

Bases of 20440023890

• Binary: 10011000010010100100000001101010010₂
• Hexadecimal: 0x4C2520352
• Base-36: 9E1GNDE

Squares and roots of 20440023890

• 20440023890 squared (20440023890²) is 417794576623770732100
• 20440023890 cubed (20440023890³) is 8539731127302309306006789869000
• The square root of 20440023890 is 142968.6115551243
• The cube root of 20440023890 is 2734.1801940507

Scales and comparisons

• 20,440,023,890 seconds is equal to 649 years, 48 weeks, 2 days, 8 hours, 24 minutes, 50 seconds.
• To count from 1 to 20,440,023,890 would take you about one thousand, two hundred ninety-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 20440023890 cubic inches would be around 227.8 feet tall.

Recreational maths with 20440023890

• 20440023890 backwards is 09832004402
• The number of decimal digits it has is: 11
• The sum of 20440023890's digits is 32
• More coming soon!