64408540040

Names of 64408540040

• Cardinal: 64408540040 can be written as Sixty-four billion, four hundred eight million, five hundred forty thousand and forty.

Scientific notation

• Scientific notation: 6.440854004 × 10¹⁰

Factors of 64408540040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2044

Divisors of 64408540040

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 13 19 20 26 31 38 40 52 62 65 76 95 104 113 124 130 152 155 190 226 247 248 260 310 380 403 452 494 520 565 589 620 760 806 904 988 1130 1178 1235 1240 1469 1612 1861 1976 2015 2147 2260 2356 2470 2938 2945 3224 3503 3722 4030 4294 4520 4712 4940 5876 5890 7006 7345 7444 7657 8060 8588 9305 9880 10735 11752 11780 14012 14690 14888 15314 16120 17176 17515 18610 21470 23560 24193 27911 28024 29380 30628 35030 35359 37220 38285 42940 45539 48386 55822 57691 58760 61256 66557 70060 70718 74440 76570 85880 91078 96772 111644 115382 120965 133114 139555 140120 141436 153140 176795 182156 193544 210293 223288 227695 230764 241930 266228 279110 282872 288455 306280 332785 353590 364312 420586 455390 459667 461528 483860 532456 558220 576910 665570 707180 749983 841172 865241 910780 919334 967720 1051465 1096129 1116440 1153820 1331140 1414360 1499966 1682344 1730482 1821560 1838668 2102930 2192258 2298335 2307640 2662280 2733809 2999932 3460964 3677336 3749915 3995567 4205860 4326205 4384516 4596670 5467618 5480645 5999864 6519083 6921928 7499830 7991134 8411720 8652410 8769032 9193340 10935236 10961290 13038166 13669045 14249677 14999660 15982268 17304820 18386680 19977835 21870472 21922580 26076332 27338090 28499354 29999320 31964536 32595415 34609640 39955670 43845160 51942371 52152664 54676180 56998708 65190830 71248385 79911340 84748079 103884742 109352360 113997416 123862577 130381660 142496770 159822680 169496158 207769484 247725154 259711855 260763320 284993540 338992316 415538968 423740395 495450308 519423710 569987080 619312885 677984632 847480790 990900616 1038847420 1238625770 1610213501 1694961580 2077694840 2477251540 3220427002 3389923160 4954503080 6440854004 8051067505 12881708008 16102135010 32204270020 64408540040
• Sum of all divisors σ(n): 171172915200
• Sum of proper divisors (its aliquot sum) s(n): 106764375160
• 64408540040 is an abundant number, because the sum of its proper divisors (106764375160) is greater than itself. Its abundance is 42355835120

Bases of 64408540040

• Binary: 111011111111000011000101001110001000₂
• Hexadecimal: 0xEFF0C5388
• Base-36: TL76JK8

Squares and roots of 64408540040

• 64408540040 squared (64408540040²) is 4148460030084283201600
• 64408540040 cubed (64408540040³) is 267196253952023159164952992064000
• The square root of 64408540040 is 253788.3764871827
• The cube root of 64408540040 is 4008.4932044393

Scales and comparisons

• 64,408,540,040 seconds is equal to 2,047 years, 51 weeks, 4 days, 5 hours, 7 minutes, 20 seconds.
• To count from 1 to 64,408,540,040 would take you about four thousand and ninety-five 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 64408540040 cubic inches would be around 334 feet tall.

Recreational maths with 64408540040

• 64408540040 backwards is 04004580446
• The number of decimal digits it has is: 11
• The sum of 64408540040's digits is 35
• More coming soon!