6404238540

Names of 6404238540

• Cardinal: 6404238540 can be written as Six billion, four hundred four million, two hundred thirty-eight thousand, five hundred forty.

Scientific notation

• Scientific notation: 6.40423854 × 10⁹

Factors of 6404238540

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 132

Divisors of 6404238540

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 31 35 36 41 42 43 45 54 60 62 63 70 82 84 86 90 93 105 108 123 124 126 129 135 140 155 164 172 180 186 189 205 210 215 217 246 252 258 270 279 287 301 310 315 369 372 378 387 410 420 430 434 465 492 516 540 558 574 602 615 620 630 645 651 738 756 774 820 837 860 861 868 903 930 945 961 1085 1107 1116 1148 1161 1204 1230 1260 1271 1290 1302 1333 1395 1435 1476 1505 1548 1674 1722 1763 1806 1845 1860 1890 1922 1935 1953 2170 2214 2322 2460 2542 2580 2583 2604 2666 2709 2790 2870 2883 3010 3255 3348 3444 3526 3612 3690 3780 3813 3844 3870 3906 3999 4185 4305 4340 4428 4515 4644 4805 5084 5166 5289 5332 5418 5535 5580 5740 5766 5805 5859 6020 6355 6510 6665 6727 7052 7380 7626 7740 7749 7812 7998 8127 8370 8610 8649 8815 8897 9030 9331 9610 9765 10332 10578 10836 11070 11439 11532 11610 11718 11997 12341 12710 12915 13020 13330 13454 13545 14415 15252 15498 15867 15996 16254 16740 17220 17298 17630 17794 18060 18662 19065 19220 19530 19995 20181 21156 22140 22878 23220 23436 23994 24682 25420 25830 25947 26445 26660 26691 26908 27090 27993 28830 29295 30996 31734 32508 33635 34317 34596 35260 35588 35991 37023 37324 38130 38745 39060 39401 39990 40362 40635 41323 43245 44485 45756 46655 47601 47988 49364 51660 51894 52890 53382 54180 54653 55986 57195 57660 58590 59985 60543 61705 63468 67270 68634 71982 74046 76260 77490 78802 79335 79980 80073 80724 81270 82646 83979 86490 88970 93310 95202 100905 103788 105780 106764 109306 111069 111972 114390 117180 118203 119970 121086 123410 123969 129735 133455 134540 137268 139965 143964 148092 154980 157604 158670 160146 162540 163959 165292 167958 171585 172980 177940 179955 181629 185115 186620 190404 197005 201810 206615 218612 222138 228780 236406 238005 239940 240219 242172 246820 247938 251937 259470 266910 273265 275807 279930 289261 302715 317340 320292 327918 333207 335916 343170 354609 359910 363258 370230 371907 382571 394010 400365 403620 413230 419895 444276 472812 476010 480438 491877 495876 503874 518940 533820 546530 551614 555345 559860 578522 591015 605430 619845 655836 666414 686340 709218 719820 726516 740460 743814 765142 788020 800730 819795 826460 827421 839790 867783 908145 952020 960876 983754 1007748 1063827 1093060 1103228 1110690 1115721 1147713 1157044 1182030 1201095 1210860 1239690 1259685 1332828 1379035 1418436 1446305 1475631 1487628 1530284 1601460 1639590 1654842 1666035 1679580 1694243 1735566 1773045 1816290 1859535 1912855 1967508 2127654 2221380 2231442 2295426 2364060 2402190 2459385 2479380 2482263 2519370 2603349 2758070 2892610 2951262 3279180 3309684 3332070 3388486 3443139 3471132 3546090 3632580 3719070 3825710 4137105 4255308 4338915 4462884 4590852 4804380 4918770 4964526 5038740 5082729 5206698 5319135 5516140 5578605 5738565 5785220 5902524 6664140 6776972 6886278 7092180 7378155 7438140 7446789 7651420 7810047 8274210 8471215 8677830 9837540 9929052 10165458 10329417 10413396 10638270 11157210 11477130 11859701 12411315 13016745 13772556 14756310 14893578 15248187 15620094 16548420 16942430 17215695 17355660 20330916 20658834 21276540 22314420 22954260 23719402 24822630 25413645 26033490 29512620 29787156 30496374 31240188 33884860 34431390 35579103 37233945 39050235 41317668 45744561 47438804 49645260 50827290 51647085 52066980 59298505 60992748 68862780 71158206 74467890 76240935 78100470 91489122 101654580 103294170 106737309 118597010 142316412 148935780 152481870 156200940 177895515 182978244 206588340 213474618 228722805 237194020 304963740 320211927 355791030 426949236 457445610 533686545 640423854 711582060 914891220 1067373090 1280847708 1601059635 2134746180 3202119270 6404238540
• Sum of all divisors σ(n): 24663260160
• Sum of proper divisors (its aliquot sum) s(n): 18259021620
• 6404238540 is an abundant number, because the sum of its proper divisors (18259021620) is greater than itself. Its abundance is 11854783080

Bases of 6404238540

• Binary: 101111101101110001110110011001100₂
• Hexadecimal: 0x17DB8ECCC
• Base-36: 2XWX230

Squares and roots of 6404238540

• 6404238540 squared (6404238540²) is 41014271277221331600
• 6404238540 cubed (6404238540³) is 262665176803595875942839864000
• The square root of 6404238540 is 80026.4864904115
• The cube root of 6404238540 is 1857.0453088295

Scales and comparisons

• 6,404,238,540 seconds is equal to 203 years, 33 weeks, 3 hours, 9 minutes.
• To count from 1 to 6,404,238,540 would take you about four hundred seven 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 6404238540 cubic inches would be around 154.8 feet tall.

Recreational maths with 6404238540

• 6404238540 backwards is 0458324046
• 6404238540 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6404238540's digits is 36
• More coming soon!