20213977840

Names of 20213977840

• Cardinal: 20213977840 can be written as Twenty billion, two hundred thirteen million, nine hundred seventy-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.021397784 × 10¹⁰

Factors of 20213977840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2580

Divisors of 20213977840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 34 35 40 49 56 68 70 80 85 98 112 119 136 140 170 196 238 245 272 280 289 340 343 392 476 490 560 578 595 680 686 784 833 952 980 1156 1190 1360 1372 1445 1666 1715 1904 1960 2023 2312 2380 2549 2744 2890 3332 3430 3920 4046 4165 4624 4760 5098 5488 5780 5831 6664 6860 8092 8330 9520 10115 10196 11560 11662 12745 13328 13720 14161 16184 16660 17843 20230 20392 23120 23324 25490 27440 28322 29155 32368 33320 35686 40460 40784 43333 46648 50980 56644 58310 66640 70805 71372 80920 86666 89215 93296 99127 101960 113288 116620 124901 141610 142744 161840 173332 178430 198254 203920 216665 226576 233240 249802 283220 285488 303331 346664 356860 396508 433330 466480 495635 499604 566440 606662 624505 693328 713720 736661 793016 866660 874307 991270 999208 1132880 1213324 1249010 1427440 1473322 1516655 1586032 1733320 1748614 1982540 1998416 2123317 2426648 2498020 2946644 3033310 3466640 3497228 3683305 3965080 4246634 4371535 4853296 4996040 5156627 5893288 6066620 6994456 7366610 7930160 8493268 8743070 9992080 10313254 10616585 11786576 12133240 13988912 14733220 14863219 16986536 17486140 20626508 21233170 24266480 25783135 29466440 29726438 33973072 34972280 36096389 41253016 42466340 51566270 58932880 59452876 69944560 72192778 74316095 82506032 84932680 103132540 118905752 144385556 148632190 169865360 180481945 206265080 237811504 252674723 288771112 297264380 360963890 412530160 505349446 577542224 594528760 721927780 1010698892 1189057520 1263373615 1443855560 2021397784 2526747230 2887711120 4042795568 5053494460 10106988920 20213977840
• Sum of all divisors σ(n): 58244040000
• Sum of proper divisors (its aliquot sum) s(n): 38030062160
• 20213977840 is an abundant number, because the sum of its proper divisors (38030062160) is greater than itself. Its abundance is 17816084320

Bases of 20213977840

• Binary: 10010110100110110001101001011110000₂
• Hexadecimal: 0x4B4D8D2F0
• Base-36: 9AAVP4G

Squares and roots of 20213977840

• 20213977840 squared (20213977840²) is 408604900116011065600
• 20213977840 cubed (20213977840³) is 8259530396260461109233186304000
• The square root of 20213977840 is 142175.8694012455
• The cube root of 20213977840 is 2724.0637173935

Scales and comparisons

• 20,213,977,840 seconds is equal to 642 years, 38 weeks, 4 days, 1 hour, 50 minutes, 40 seconds.
• To count from 1 to 20,213,977,840 would take you about one thousand, two hundred eighty-five 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 20213977840 cubic inches would be around 227 feet tall.

Recreational maths with 20213977840

• 20213977840 backwards is 04877931202
• The number of decimal digits it has is: 11
• The sum of 20213977840's digits is 43
• More coming soon!