6405047740

Names of 6405047740

• Cardinal: 6405047740 can be written as Six billion, four hundred five million, forty-seven thousand, seven hundred forty.

Scientific notation

• Scientific notation: 6.40504774 × 10⁹

Factors of 6405047740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 268

Divisors of 6405047740

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 71 73 91 97 98 130 140 142 146 182 194 196 245 260 284 292 355 364 365 388 455 485 490 497 511 637 679 710 730 910 923 949 970 980 994 1022 1261 1274 1358 1420 1460 1820 1846 1898 1940 1988 2044 2485 2522 2548 2555 2716 3185 3395 3479 3577 3692 3796 4615 4745 4753 4970 5044 5110 5183 6305 6370 6461 6643 6790 6887 6958 7081 7154 8827 9230 9490 9506 9940 10220 10366 12610 12740 12922 13286 13580 13774 13916 14162 14308 17395 17654 17885 18460 18980 19012 20732 23765 25220 25844 25915 26572 27548 28324 32305 33215 34435 34790 35308 35405 35770 36281 44135 45227 46501 47530 48209 49567 51830 61789 64610 66430 67379 68870 69580 70810 71540 72562 88270 89531 90454 92053 93002 95060 96418 99134 103660 123578 129220 132860 134758 137740 141620 145124 176540 179062 180908 181405 184106 186004 192836 198268 226135 232505 241045 247156 247835 253967 269516 308945 336895 337463 346969 358124 362810 368212 447655 452270 460265 465010 471653 482090 495670 502751 507934 617890 626717 644371 673790 674926 693938 725620 895310 904540 920530 930020 943306 964180 991340 1005502 1015868 1235780 1253434 1269835 1288742 1347580 1349852 1387876 1687315 1734845 1790620 1841060 1886612 2011004 2358265 2506868 2513755 2539670 2577484 3133585 3221855 3301571 3374630 3469690 3519257 4387019 4510597 4716530 5027510 5079340 6267170 6443710 6535763 6603142 6749260 6939380 7038514 8774038 9021194 9433060 10055020 12534340 12887420 13071526 13206284 14077028 16507855 17548076 17596285 18042388 21935095 22552985 24634799 26143052 32678815 33015710 35192570 43870190 45105970 45750341 49269598 65357630 66031420 70385140 87740380 90211940 91500682 98539196 123173995 130715260 183001364 228751705 246347990 320252387 457503410 492695980 640504774 915006820 1281009548 1601261935 3202523870 6405047740
• Sum of all divisors σ(n): 17500178304
• Sum of proper divisors (its aliquot sum) s(n): 11095130564
• 6405047740 is an abundant number, because the sum of its proper divisors (11095130564) is greater than itself. Its abundance is 4690082824

Bases of 6405047740

• Binary: 101111101110001010100010110111100₂
• Hexadecimal: 0x17DC545BC
• Base-36: 2XXEEGS

Squares and roots of 6405047740

• 6405047740 squared (6405047740²) is 41024636551679107600
• 6405047740 cubed (6405047740³) is 262764755629653661338596824000
• The square root of 6405047740 is 80031.5421568271
• The cube root of 6405047740 is 1857.1235204579

Scales and comparisons

• 6,405,047,740 seconds is equal to 203 years, 34 weeks, 2 days, 11 hours, 55 minutes, 40 seconds.
• To count from 1 to 6,405,047,740 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 6405047740 cubic inches would be around 154.8 feet tall.

Recreational maths with 6405047740

• 6405047740 backwards is 0477405046
• The number of decimal digits it has is: 10
• The sum of 6405047740's digits is 37
• More coming soon!