6420072780

Names of 6420072780

• Cardinal: 6420072780 can be written as Six billion, four hundred twenty million, seventy-two thousand, seven hundred eighty.

Scientific notation

• Scientific notation: 6.42007278 × 10⁹

Factors of 6420072780

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6644

Divisors of 6420072780

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 17 18 20 22 29 30 33 34 36 44 45 51 55 58 60 66 68 85 87 90 99 102 110 116 132 145 153 165 170 174 180 187 198 204 220 255 261 290 306 319 330 340 348 374 396 435 493 495 510 522 561 580 612 638 660 748 765 870 935 957 986 990 1020 1044 1122 1276 1305 1479 1530 1595 1683 1740 1870 1914 1972 1980 2244 2465 2610 2805 2871 2958 3060 3190 3366 3740 3828 4437 4785 4930 5220 5423 5610 5742 5916 6380 6577 6732 7395 8415 8874 9570 9860 10846 11220 11484 13154 14355 14790 16269 16830 17748 19140 19731 21692 22185 26308 27115 28710 29580 32538 32885 33660 39462 44370 48807 54230 57420 59193 65076 65770 72347 78924 81345 88740 97614 98655 108460 111809 118386 131540 144694 162690 190733 195228 197310 217041 223618 236772 244035 289388 295965 325380 335427 361735 381466 394620 434082 447236 488070 559045 572199 591930 651123 670854 723470 762932 868164 953665 976140 1006281 1085205 1118090 1144398 1183860 1229899 1302246 1341708 1446940 1677135 1716597 1907330 2012562 2098063 2170410 2236180 2288796 2459798 2604492 2860995 3242461 3255615 3354270 3433194 3689697 3814660 4025124 4196126 4340820 4919596 5031405 5721990 6149495 6294189 6484922 6511230 6708540 6866388 7379394 8392252 8582985 9727383 10062810 10490315 11069091 11443980 12298990 12588378 12969844 13022460 14758788 16212305 17165970 18448485 18882567 19454766 20125620 20980630 22138182 24597980 25176756 29182149 31470945 32424610 34331940 35667071 36896970 37765134 38909532 41961260 44276364 48636915 55345455 58364298 62941890 64849220 71334142 73793940 75530268 94412835 97273830 107001213 110690910 116728596 125883780 142668284 145910745 178335355 188825670 194547660 214002426 221381820 291821490 321003639 356670710 377651340 428004852 535006065 583642980 642007278 713341420 1070012130 1284014556 1605018195 2140024260 3210036390 6420072780
• Sum of all divisors σ(n): 23273490240
• Sum of proper divisors (its aliquot sum) s(n): 16853417460
• 6420072780 is an abundant number, because the sum of its proper divisors (16853417460) is greater than itself. Its abundance is 10433344680

Bases of 6420072780

• Binary: 101111110101010101000100101001100₂
• Hexadecimal: 0x17EAA894C
• Base-36: 2Y6CFV0

Squares and roots of 6420072780

• 6420072780 squared (6420072780²) is 41217334500496928400
• 6420072780 cubed (6420072780³) is 264618287290795226494448952000
• The square root of 6420072780 is 80125.3566606727
• The cube root of 6420072780 is 1858.5745408627

Scales and comparisons

• 6,420,072,780 seconds is equal to 204 years, 7 weeks, 1 day, 9 hours, 33 minutes.
• To count from 1 to 6,420,072,780 would take you about four hundred eight 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 6420072780 cubic inches would be around 154.9 feet tall.

Recreational maths with 6420072780

• 6420072780 backwards is 0872700246
• 6420072780 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6420072780's digits is 36
• More coming soon!