20613918720

Names of 20613918720

• Cardinal: 20613918720 can be written as Twenty billion, six hundred thirteen million, nine hundred eighteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.061391872 × 10¹⁰

Factors of 20613918720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 257

Divisors of 20613918720

• Number of divisors d(n): 416
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 79 80 93 96 120 124 128 137 155 158 160 186 192 237 240 248 256 274 310 316 320 372 384 395 411 465 474 480 496 512 548 620 632 640 685 744 768 790 822 930 948 960 992 1024 1096 1185 1240 1264 1280 1370 1488 1536 1580 1644 1860 1896 1920 1984 2048 2055 2192 2370 2449 2480 2528 2560 2740 2976 3072 3160 3288 3720 3792 3840 3968 4096 4110 4247 4384 4740 4898 4960 5056 5120 5480 5952 6144 6320 6576 7347 7440 7584 7680 7936 8220 8494 8768 9480 9796 9920 10112 10240 10823 10960 11904 12245 12288 12640 12741 13152 14694 14880 15168 15360 15872 16440 16988 17536 18960 19592 19840 20224 20480 21235 21646 21920 23808 24490 25280 25482 26304 29388 29760 30336 30720 31744 32469 32880 33976 35072 36735 37920 39184 39680 40448 42470 43292 43840 47616 48980 50560 50964 52608 54115 58776 59520 60672 61440 63488 63705 64938 65760 67952 70144 73470 75840 78368 79360 80896 84940 86584 87680 95232 97960 101120 101928 105216 108230 117552 119040 121344 126976 127410 129876 131520 135904 140288 146940 151680 156736 158720 161792 162345 169880 173168 175360 190464 195920 202240 203856 210432 216460 235104 238080 242688 254820 259752 263040 271808 280576 293880 303360 313472 317440 323584 324690 335513 339760 346336 350720 380928 391840 404480 407712 420864 432920 470208 476160 485376 509640 519504 526080 543616 561152 587760 606720 626944 634880 649380 671026 679520 692672 701440 783680 808960 815424 841728 865840 940416 952320 970752 1006539 1019280 1039008 1052160 1087232 1175520 1213440 1253888 1298760 1342052 1359040 1385344 1402880 1567360 1617920 1630848 1677565 1683456 1731680 1880832 1904640 2013078 2038560 2078016 2104320 2174464 2351040 2426880 2507776 2597520 2684104 2718080 2770688 2805760 3134720 3261696 3355130 3463360 3761664 4026156 4077120 4156032 4208640 4348928 4702080 4853760 5015552 5032695 5195040 5368208 5436160 5541376 6269440 6523392 6710260 6926720 7523328 8052312 8154240 8312064 8417280 8697856 9404160 10031104 10065390 10390080 10736416 10872320 11082752 12538880 13046784 13420520 13853440 15046656 16104624 16308480 16624128 17395712 18808320 20130780 20780160 21472832 21744640 22165504 25077760 26093568 26841040 27706880 30093312 32209248 32616960 33248256 37616640 40261560 41560320 42945664 43489280 44331008 50155520 52187136 53682080 55413760 64418496 65233920 66496512 75233280 80523120 83120640 85891328 86978560 107364160 110827520 128836992 130467840 132993024 150466560 161046240 166241280 171782656 214728320 221655040 257673984 260935680 322092480 332482560 343565312 429456640 515347968 644184960 664965120 687130624 858913280 1030695936 1288369920 1374261248 1717826560 2061391872 2576739840 3435653120 4122783744 5153479680 6871306240 10306959360 20613918720
• Sum of all divisors σ(n): 69449195520
• Sum of proper divisors (its aliquot sum) s(n): 48835276800
• 20613918720 is an abundant number, because the sum of its proper divisors (48835276800) is greater than itself. Its abundance is 28221358080

Bases of 20613918720

• Binary: 10011001100101011110111000000000000₂
• Hexadecimal: 0x4CCAF7000
• Base-36: 9GWZTHC

Squares and roots of 20613918720

• 20613918720 squared (20613918720²) is 424933644994766438400
• 20613918720 cubed (20613918720³) is 8759547619315450186561486848000
• The square root of 20613918720 is 143575.4809150923
• The cube root of 20613918720 is 2741.9120474055

Scales and comparisons

• 20,613,918,720 seconds is equal to 655 years, 23 weeks, 6 days, 32 minutes.
• To count from 1 to 20,613,918,720 would take you about one thousand, three hundred ten 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 20613918720 cubic inches would be around 228.5 feet tall.

Recreational maths with 20613918720

• 20613918720 backwards is 02781931602
• The number of decimal digits it has is: 11
• The sum of 20613918720's digits is 39
• More coming soon!