6478645680

Names of 6478645680

• Cardinal: 6478645680 can be written as Six billion, four hundred seventy-eight million, six hundred forty-five thousand, six hundred eighty.

Scientific notation

• Scientific notation: 6.47864568 × 10⁹

Factors of 6478645680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 76930

Divisors of 6478645680

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 36 39 40 45 48 52 54 60 65 72 78 80 81 90 104 108 117 120 130 135 144 156 162 180 195 208 216 234 240 260 270 312 324 351 360 390 405 432 468 520 540 585 624 648 702 720 780 810 936 1040 1053 1080 1170 1296 1404 1560 1620 1755 1872 2106 2160 2340 2808 3120 3240 3510 4212 4680 5265 5616 6480 7020 8424 9360 10530 14040 16848 21060 28080 42120 76907 84240 153814 230721 307628 384535 461442 615256 692163 769070 922884 999791 1153605 1230512 1384326 1538140 1845768 1999582 2076489 2307210 2768652 2999373 3076280 3460815 3691536 3999164 4152978 4614420 4998955 5537304 5998746 6152560 6229467 6921630 7998328 8305956 8998119 9228840 9997910 10382445 11074608 11997492 12458934 13843260 14996865 15996656 16611912 17996238 18457680 19995820 20764890 23994984 24917868 26994357 27686520 29993730 31147335 33223824 35992476 39991640 41529780 44990595 47989968 49835736 53988714 55373040 59987460 62294670 71984952 79983280 80983071 83059560 89981190 99671472 107977428 119974920 124589340 134971785 143969904 161966142 166119120 179962380 215954856 239949840 249178680 269943570 323932284 359924760 404915355 431909712 498357360 539887140 647864568 719849520 809830710 1079774280 1295729136 1619661420 2159548560 3239322840 6478645680
• Sum of all divisors σ(n): 24232480272
• Sum of proper divisors (its aliquot sum) s(n): 17753834592
• 6478645680 is an abundant number, because the sum of its proper divisors (17753834592) is greater than itself. Its abundance is 11275188912

Bases of 6478645680

• Binary: 110000010001010000100100110110000₂
• Hexadecimal: 0x1822849B0
• Base-36: 2Z57V00

Squares and roots of 6478645680

• 6478645680 squared (6478645680²) is 41972849846982662400
• 6478645680 cubed (6478645680³) is 271927222338442886792658432000
• The square root of 6478645680 is 80490.0346626835
• The cube root of 6478645680 is 1864.2096122041

Scales and comparisons

• 6,478,645,680 seconds is equal to 206 years, 7 hours, 48 minutes.
• To count from 1 to 6,478,645,680 would take you about four hundred twelve 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 6478645680 cubic inches would be around 155.4 feet tall.

Recreational maths with 6478645680

• 6478645680 backwards is 0865468746
• 6478645680 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6478645680's digits is 54
• More coming soon!