20449690020

Names of 20449690020

• Cardinal: 20449690020 can be written as Twenty billion, four hundred forty-nine million, six hundred ninety thousand and twenty.

Scientific notation

• Scientific notation: 2.044969002 × 10¹⁰

Factors of 20449690020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 998

Divisors of 20449690020

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 61 62 73 90 93 122 124 146 155 180 183 186 219 244 279 292 305 310 365 366 372 438 465 549 558 610 620 657 730 732 823 876 915 930 1095 1098 1116 1220 1314 1395 1460 1646 1830 1860 1891 2190 2196 2263 2469 2628 2745 2790 3285 3292 3660 3782 4115 4380 4453 4526 4938 5490 5580 5673 6570 6789 7407 7564 8230 8906 9052 9455 9876 10980 11315 11346 12345 13140 13359 13578 14814 16460 17019 17812 18910 20367 22265 22630 22692 24690 25513 26718 27156 28365 29628 33945 34038 37035 37820 40077 40734 44530 45260 49380 50203 51026 53436 56730 60079 66795 67890 68076 74070 76539 80154 81468 85095 89060 100406 101835 102052 113460 120158 127565 133590 135780 138043 148140 150609 153078 160308 170190 180237 200385 200812 203670 229617 240316 251015 255130 267180 276086 300395 301218 306156 340380 360474 382695 400770 407340 414129 451827 459234 502030 510260 540711 552172 600790 602436 690215 720948 753045 765390 801540 828258 901185 903654 918468 1004060 1081422 1148085 1201580 1242387 1380430 1506090 1530780 1556293 1656516 1802370 1807308 1862449 2070645 2162844 2259135 2296170 2484774 2703555 2760860 3012180 3112586 3604740 3664819 3724898 4141290 4518270 4592340 4668879 4969548 5407110 5587347 6211935 6225172 7329638 7449796 7781465 8282580 9036540 9312245 9337758 10814220 10994457 11174694 12423870 14006637 14659276 15562930 16762041 18324095 18624490 18675516 21988914 22349388 23344395 24847740 27936735 28013274 31125860 32983371 33524082 36648190 37248980 43977828 46688790 54972285 55873470 56026548 65966742 67048164 70033185 73296380 83810205 93377580 109944570 111746940 113609389 131933484 140066370 164916855 167620410 219889140 227218778 280132740 329833710 335240820 340828167 454437556 568046945 659667420 681656334 1022484501 1136093890 1363312668 1704140835 2044969002 2272187780 3408281670 4089938004 5112422505 6816563340 10224845010 20449690020
• Sum of all divisors σ(n): 66053105664
• Sum of proper divisors (its aliquot sum) s(n): 45603415644
• 20449690020 is an abundant number, because the sum of its proper divisors (45603415644) is greater than itself. Its abundance is 25153725624

Bases of 20449690020

• Binary: 10011000010111001011000000110100100₂
• Hexadecimal: 0x4C2E581A4
• Base-36: 9E77TT0

Squares and roots of 20449690020

• 20449690020 squared (20449690020²) is 418189821914087600400
• 20449690020 cubed (20449690020³) is 8551852227662094499305628008000
• The square root of 20449690020 is 143002.4126369901
• The cube root of 20449690020 is 2734.6111259699

Scales and comparisons

• 20,449,690,020 seconds is equal to 650 years, 12 weeks, 2 days, 5 hours, 27 minutes.
• To count from 1 to 20,449,690,020 would take you about one thousand, three hundred 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 20449690020 cubic inches would be around 227.9 feet tall.

Recreational maths with 20449690020

• 20449690020 backwards is 02009694402
• 20449690020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20449690020's digits is 36
• More coming soon!