20477168640

Names of 20477168640

• Cardinal: 20477168640 can be written as Twenty billion, four hundred seventy-seven million, one hundred sixty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.047716864 × 10¹⁰

Factors of 20477168640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 172

Divisors of 20477168640

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 32 36 40 45 46 48 60 64 69 72 80 90 92 96 115 120 128 138 139 144 160 180 184 192 207 230 240 256 276 278 288 320 345 360 368 384 414 417 460 480 512 552 556 576 640 690 695 720 736 768 828 834 920 960 1024 1035 1104 1112 1152 1251 1280 1380 1390 1440 1472 1536 1656 1668 1840 1920 2070 2085 2208 2224 2304 2502 2560 2760 2780 2880 2944 3072 3197 3312 3336 3680 3840 4140 4170 4416 4448 4608 5004 5120 5520 5560 5760 5888 6255 6394 6624 6672 7360 7680 8280 8340 8832 8896 9216 9591 10008 11040 11120 11520 11776 12510 12788 13248 13344 14720 15360 15985 16560 16680 17664 17792 19182 19321 20016 22080 22240 23040 23552 25020 25576 26496 26688 28773 29440 31970 33120 33360 35328 35584 38364 38642 40032 44160 44480 46080 47955 50040 51152 52992 53376 57546 57963 58880 63940 66240 66720 70656 71168 76728 77284 80064 88320 88960 95910 96605 100080 102304 105984 106752 115092 115926 117760 127880 132480 133440 142336 143865 153456 154568 160128 173889 176640 177920 191820 193210 200160 204608 211968 213504 230184 231852 255760 264960 266880 287730 289815 306912 309136 320256 347778 353280 355840 383640 386420 400320 409216 427008 444383 460368 463704 511520 529920 533760 575460 579630 613824 618272 640512 695556 711680 767280 772840 800640 818432 869445 888766 920736 927408 1023040 1059840 1067520 1150920 1159260 1227648 1236544 1281024 1333149 1391112 1534560 1545680 1601280 1636864 1738890 1777532 1841472 1854816 2046080 2135040 2221915 2301840 2318520 2455296 2473088 2666298 2782224 3069120 3091360 3202560 3273728 3477780 3555064 3682944 3709632 3999447 4092160 4443830 4603680 4637040 4910592 4946176 5332596 5564448 6138240 6182720 6405120 6665745 6955560 7110128 7365888 7419264 7998894 8184320 8887660 9207360 9274080 9821184 9892352 10665192 11128896 12276480 12365440 13331490 13911120 14220256 14731776 14838528 15997788 16368640 17775320 18414720 18548160 19784704 19997235 21330384 22257792 24552960 24730880 26662980 27822240 28440512 29463552 29677056 31995576 35550640 36829440 37096320 39994470 42660768 44515584 49105920 49461760 53325960 55644480 56881024 59354112 63991152 71101280 73658880 74192640 79988940 85321536 89031168 98923520 106651920 111288960 113762048 127982304 142202560 147317760 148385280 159977880 170643072 178062336 213303840 222577920 227524096 255964608 284405120 296770560 319955760 341286144 426607680 445155840 455048192 511929216 568810240 639911520 682572288 853215360 890311680 1023858432 1137620480 1279823040 1365144576 1706430720 2047716864 2275240960 2559646080 3412861440 4095433728 5119292160 6825722880 10238584320 20477168640
• Sum of all divisors σ(n): 74574240624
• Sum of proper divisors (its aliquot sum) s(n): 54097071984
• 20477168640 is an abundant number, because the sum of its proper divisors (54097071984) is greater than itself. Its abundance is 33619903344

Bases of 20477168640

• Binary: 10011000100100010001100110000000000₂
• Hexadecimal: 0x4C488CC00
• Base-36: 9ENKSG0

Squares and roots of 20477168640

• 20477168640 squared (20477168640²) is 419314435510999449600
• 20477168640 cubed (20477168640³) is 8586372409145140304406380544000
• The square root of 20477168640 is 143098.4578533255
• The cube root of 20477168640 is 2735.8354266455

Scales and comparisons

• 20,477,168,640 seconds is equal to 651 years, 5 weeks, 5 days, 6 hours, 24 minutes.
• To count from 1 to 20,477,168,640 would take you about one thousand, three hundred two 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 20477168640 cubic inches would be around 228 feet tall.

Recreational maths with 20477168640

• 20477168640 backwards is 04686177402
• 20477168640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20477168640's digits is 45
• More coming soon!