21650431920

Names of 21650431920

• Cardinal: 21650431920 can be written as Twenty-one billion, six hundred fifty million, four hundred thirty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.165043192 × 10¹⁰

Factors of 21650431920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 78081

Divisors of 21650431920

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 89 104 120 130 156 178 195 208 240 260 267 312 356 390 445 520 534 624 712 780 890 1040 1068 1157 1335 1424 1560 1780 2136 2314 2670 3120 3471 3560 4272 4628 5340 5785 6942 7120 9256 10680 11570 13884 17355 18512 21360 23140 27768 34710 46280 55536 69420 77969 92560 138840 155938 233907 277680 311876 389845 467814 623752 779690 935628 1013597 1169535 1247504 1559380 1871256 2027194 2339070 3040791 3118760 3742512 4054388 4678140 5067985 6081582 6237520 6939241 8108776 9356280 10135970 12163164 13878482 15203955 16217552 18712560 20271940 20817723 24326328 27756964 30407910 34696205 40543880 41635446 48652656 55513928 60815820 69392410 81087760 83270892 90210133 104088615 111027856 121631640 138784820 166541784 180420266 208177230 243263280 270630399 277569640 333083568 360840532 416354460 451050665 541260798 555139280 721681064 832708920 902101330 1082521596 1353151995 1443362128 1665417840 1804202660 2165043192 2706303990 3608405320 4330086384 5412607980 7216810640 10825215960 21650431920
• Sum of all divisors σ(n): 73092196800
• Sum of proper divisors (its aliquot sum) s(n): 51441764880
• 21650431920 is an abundant number, because the sum of its proper divisors (51441764880) is greater than itself. Its abundance is 29791332960

Bases of 21650431920

• Binary: 10100001010011101110101111110110000₂
• Hexadecimal: 0x50A775FB0
• Base-36: 9Y23W6O

Squares and roots of 21650431920

• 21650431920 squared (21650431920²) is 468741202322554886400
• 21650431920 cubed (21650431920³) is 10148449488983420448466533888000
• The square root of 21650431920 is 147140.8574122089
• The cube root of 21650431920 is 2787.1190621291

Scales and comparisons

• 21,650,431,920 seconds is equal to 688 years, 21 weeks, 4 days, 16 hours, 52 minutes.
• To count from 1 to 21,650,431,920 would take you about one thousand, three hundred seventy-six 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 21650431920 cubic inches would be around 232.3 feet tall.

Recreational maths with 21650431920

• 21650431920 backwards is 02913405612
• The number of decimal digits it has is: 11
• The sum of 21650431920's digits is 33
• More coming soon!