20618907120

Names of 20618907120

• Cardinal: 20618907120 can be written as Twenty billion, six hundred eighteen million, nine hundred seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.061890712 × 10¹⁰

Factors of 20618907120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 110623

Divisors of 20618907120

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 37 40 42 45 48 56 60 63 70 72 74 80 84 90 105 111 112 120 126 140 144 148 168 180 185 210 222 240 252 259 280 296 315 333 336 360 370 420 444 504 518 555 560 592 630 666 720 740 777 840 888 1008 1036 1110 1260 1295 1332 1480 1554 1665 1680 1776 2072 2220 2331 2520 2590 2664 2960 3108 3330 3885 4144 4440 4662 5040 5180 5328 6216 6660 7770 8880 9324 10360 11655 12432 13320 15540 18648 20720 23310 26640 31080 37296 46620 62160 93240 110569 186480 221138 331707 442276 552845 663414 773983 884552 995121 1105690 1326828 1547966 1658535 1769104 1990242 2211380 2321949 2653656 3095932 3317070 3869915 3980484 4091053 4422760 4643898 4975605 5307312 6191864 6634140 6965847 7739830 7960968 8182106 8845520 9287796 9951210 11609745 12273159 12383728 13268280 13931694 15479660 15921936 16364212 18575592 19902420 20455265 23219490 24546318 26536560 27863388 28637371 30959320 32728424 34829235 36819477 37151184 39804840 40910530 46438980 49092636 55726776 57274742 61365795 61918640 65456848 69658470 73638954 79609680 81821060 85912113 92877960 98185272 111453552 114549484 122731590 139316940 143186855 147277908 163642120 171824226 184097385 185755920 196370544 229098968 245463180 257736339 278633880 286373710 294555816 327284240 343648452 368194770 429560565 458197936 490926360 515472678 557267760 572747420 589111632 687296904 736389540 859121130 981852720 1030945356 1145494840 1288681695 1374593808 1472779080 1718242260 2061890712 2290989680 2577363390 2945558160 3436484520 4123781424 5154726780 6872969040 10309453560 20618907120
• Sum of all divisors σ(n): 81276911040
• Sum of proper divisors (its aliquot sum) s(n): 60658003920
• 20618907120 is an abundant number, because the sum of its proper divisors (60658003920) is greater than itself. Its abundance is 40039096800

Bases of 20618907120

• Binary: 10011001100111110111000110111110000₂
• Hexadecimal: 0x4CCFB8DF0
• Base-36: 9GZYQK0

Squares and roots of 20618907120

• 20618907120 squared (20618907120²) is 425139330823186694400
• 20618907120 cubed (20618907120³) is 8765908375302239594253424128000
• The square root of 20618907120 is 143592.8519112285
• The cube root of 20618907120 is 2742.1332030089

Scales and comparisons

• 20,618,907,120 seconds is equal to 655 years, 32 weeks, 18 hours, 12 minutes.
• To count from 1 to 20,618,907,120 would take you about one thousand, three hundred eleven 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 20618907120 cubic inches would be around 228.5 feet tall.

Recreational maths with 20618907120

• 20618907120 backwards is 02170981602
• 20618907120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20618907120's digits is 36
• More coming soon!