64638972000

Names of 64638972000

• Cardinal: 64638972000 can be written as Sixty-four billion, six hundred thirty-eight million, nine hundred seventy-two thousand.

Scientific notation

• Scientific notation: 6.4638972 × 10¹⁰

Factors of 64638972000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 831

Divisors of 64638972000

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 72 75 80 81 90 96 100 108 120 125 135 144 150 160 162 180 200 216 225 240 243 250 270 288 300 324 360 375 400 405 432 450 480 486 500 540 600 648 675 720 729 750 800 810 821 864 900 972 1000 1080 1125 1200 1215 1296 1350 1440 1458 1500 1620 1642 1800 1944 2000 2025 2160 2187 2250 2400 2430 2463 2592 2700 2916 3000 3240 3284 3375 3600 3645 3888 4000 4050 4105 4320 4374 4500 4860 4926 5400 5832 6000 6075 6480 6561 6568 6750 7200 7290 7389 7776 8100 8210 8748 9000 9720 9852 10125 10800 10935 11664 12000 12150 12315 12960 13122 13136 13500 14580 14778 16200 16420 17496 18000 18225 19440 19683 19704 20250 20525 21600 21870 22167 23328 24300 24630 26244 26272 27000 29160 29556 30375 32400 32805 32840 34992 36000 36450 36945 38880 39366 39408 40500 41050 43740 44334 48600 49260 52488 54000 54675 58320 59112 60750 61575 64800 65610 65680 66501 69984 72900 73890 78732 78816 81000 82100 87480 88668 91125 97200 98415 98520 102625 104976 108000 109350 110835 116640 118224 121500 123150 131220 131360 133002 145800 147780 157464 162000 164025 164200 174960 177336 182250 184725 194400 196830 197040 199503 205250 209952 218700 221670 236448 243000 246300 262440 266004 273375 291600 295560 307875 314928 324000 328050 328400 332505 349920 354672 364500 369450 393660 394080 399006 410500 437400 443340 486000 492075 492600 524880 532008 546750 554175 583200 591120 598509 615750 629856 656100 656800 665010 709344 729000 738900 787320 798012 820125 821000 874800 886680 923625 972000 984150 985200 997515 1049760 1064016 1093500 1108350 1182240 1197018 1231500 1312200 1330020 1458000 1477800 1574640 1596024 1640250 1642000 1662525 1749600 1773360 1795527 1847250 1968300 1970400 1995030 2128032 2187000 2216700 2394036 2460375 2463000 2624400 2660040 2770875 2916000 2955600 2992545 3149280 3192048 3280500 3284000 3325050 3546720 3591054 3694500 3936600 3990060 4374000 4433400 4788072 4920750 4926000 4987575 5248800 5320080 5386581 5541750 5911200 5985090 6384096 6561000 6650100 7182108 7389000 7873200 7980120 8312625 8748000 8866800 8977635 9576144 9841500 9852000 9975150 10640160 10773162 11083500 11970180 13122000 13300200 14364216 14778000 14962725 15746400 15960240 16159743 16625250 17733600 17955270 19152288 19683000 19950300 21546324 22167000 23940360 24937875 26244000 26600400 26932905 28728432 29556000 29925450 31920480 32319486 33250500 35910540 39366000 39900600 43092648 44334000 44888175 47880720 49875750 53200800 53865810 57456864 59850900 64638972 66501000 71821080 74813625 78732000 79801200 80798715 86185296 88668000 89776350 95761440 99751500 107731620 119701800 129277944 133002000 134664525 143642160 149627250 159602400 161597430 172370592 179552700 199503000 215463240 224440875 239403600 258555888 266004000 269329050 287284320 299254500 323194860 359105400 399006000 403993575 430926480 448881750 478807200 517111776 538658100 598509000 646389720 673322625 718210800 798012000 807987150 861852960 897763500 1077316200 1197018000 1292779440 1346645250 1436421600 1615974300 1795527000 2019967875 2154632400 2394036000 2585558880 2693290500 3231948600 3591054000 4039935750 4309264800 5386581000 6463897200 7182108000 8079871500 10773162000 12927794400 16159743000 21546324000 32319486000 64638972000
• Sum of all divisors σ(n): 238513058784
• Sum of proper divisors (its aliquot sum) s(n): 173874086784
• 64638972000 is an abundant number, because the sum of its proper divisors (173874086784) is greater than itself. Its abundance is 109235114784

Bases of 64638972000

• Binary: 111100001100110010000111000001100000₂
• Hexadecimal: 0xF0CC87060
• Base-36: TP0DI00

Squares and roots of 64638972000

• 64638972000 squared (64638972000²) is 4178196701216784000000
• 64638972000 cubed (64638972000³) is 270074339580444066906048000000000
• The square root of 64638972000 is 254241.9556249519
• The cube root of 64638972000 is 4013.2678589873

Scales and comparisons

• 64,638,972,000 seconds is equal to 2,055 years, 16 weeks, 4 days, 6 hours.
• To count from 1 to 64,638,972,000 would take you about four thousand, one 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 64638972000 cubic inches would be around 334.4 feet tall.

Recreational maths with 64638972000

• 64638972000 backwards is 00027983646
• 64638972000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64638972000's digits is 45
• More coming soon!