6464913840

Names of 6464913840

• Cardinal: 6464913840 can be written as Six billion, four hundred sixty-four million, nine hundred thirteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.46491384 × 10⁹

Factors of 6464913840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 10629

Divisors of 6464913840

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 28 30 33 35 36 40 42 44 45 48 55 56 60 63 66 70 72 77 80 84 88 90 99 105 110 112 120 121 126 132 140 144 154 165 168 176 180 198 210 220 231 240 242 252 264 280 308 315 330 336 360 363 385 396 420 440 462 484 495 504 528 560 605 616 630 660 693 720 726 770 792 840 847 880 924 968 990 1008 1089 1155 1210 1232 1260 1320 1386 1452 1540 1584 1680 1694 1815 1848 1936 1980 2178 2310 2420 2520 2541 2640 2772 2904 3080 3388 3465 3630 3696 3960 4235 4356 4620 4840 5040 5082 5445 5544 5808 6160 6776 6930 7260 7623 7920 8470 8712 9240 9680 10164 10601 10890 11088 12705 13552 13860 14520 15246 16940 17424 18480 20328 21202 21780 25410 27720 29040 30492 31803 33880 38115 40656 42404 43560 50820 53005 55440 60984 63606 67760 74207 76230 84808 87120 95409 101640 106010 116611 121968 127212 148414 152460 159015 169616 190818 203280 212020 222621 233222 254424 296828 304920 318030 349833 371035 381636 424040 445242 466444 477045 508848 583055 593656 609840 636060 667863 699666 742070 763272 816277 848080 890484 932888 954090 1049499 1113105 1166110 1187312 1272120 1282721 1335726 1399332 1484140 1526544 1632554 1749165 1780968 1865776 1908180 2098998 2226210 2332220 2448831 2544240 2565442 2671452 2798664 2968280 3265108 3339315 3498330 3561936 3816360 3848163 4081385 4197996 4452420 4664440 4897662 5130884 5247495 5342904 5597328 5936560 6413605 6530216 6678630 6996660 7346493 7632720 7696326 8162770 8395992 8904840 8979047 9328880 9795324 10261768 10494990 10685808 11544489 12244155 12827210 13060432 13357260 13993320 14692986 15392652 16325540 16791984 17809680 17958094 19240815 19590648 20523536 20989980 23088978 24488310 25654420 26714520 26937141 27986640 29385972 30785304 32651080 35916188 36732465 38481630 39181296 41979960 44895235 46177956 48976620 51308840 53429040 53874282 57722445 58771944 61570608 65302160 71832376 73464930 76963260 80811423 83959920 89790470 92355912 97953240 102617680 107748564 115444890 117543888 134685705 143664752 146929860 153926520 161622846 179580940 184711824 195906480 215497128 230889780 269371410 293859720 307853040 323245692 359161880 404057115 430994256 461779560 538742820 587719440 646491384 718323760 808114230 923559120 1077485640 1292982768 1616228460 2154971280 3232456920 6464913840
• Sum of all divisors σ(n): 27276316704
• Sum of proper divisors (its aliquot sum) s(n): 20811402864
• 6464913840 is an abundant number, because the sum of its proper divisors (20811402864) is greater than itself. Its abundance is 14346489024

Bases of 6464913840

• Binary: 110000001010101101100000110110000₂
• Hexadecimal: 0x18156C1B0
• Base-36: 2YX1JG0

Squares and roots of 6464913840

• 6464913840 squared (6464913840²) is 41795110958623545600
• 6464913840 cubed (6464913840³) is 270201791280741027299311104000
• The square root of 6464913840 is 80404.6879230309
• The cube root of 6464913840 is 1862.8915828459

Scales and comparisons

• 6,464,913,840 seconds is equal to 205 years, 29 weeks, 2 days, 9 hours, 24 minutes.
• To count from 1 to 6,464,913,840 would take you about four hundred eleven 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 6464913840 cubic inches would be around 155.2 feet tall.

Recreational maths with 6464913840

• 6464913840 backwards is 0483194646
• 6464913840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6464913840's digits is 45
• More coming soon!