6643204920

Names of 6643204920

• Cardinal: 6643204920 can be written as Six billion, six hundred forty-three million, two hundred four thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.64320492 × 10⁹

Factors of 6643204920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9009

Divisors of 6643204920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 17 18 20 22 24 30 33 34 36 40 44 45 51 55 60 66 68 72 85 88 90 99 102 110 120 121 132 136 153 165 170 180 187 198 204 220 242 255 264 306 330 340 360 363 374 396 408 440 484 495 510 561 605 612 660 680 726 748 765 792 935 968 990 1020 1089 1122 1210 1224 1320 1452 1496 1530 1683 1815 1870 1980 2040 2057 2178 2244 2420 2805 2904 3060 3366 3630 3740 3960 4114 4356 4488 4840 5445 5610 6120 6171 6732 7260 7480 8228 8415 8712 8971 10285 10890 11220 12342 13464 14520 16456 16830 17942 18513 20570 21780 22440 24684 26913 30855 33660 35884 37026 41140 43560 44855 49368 53826 61710 67320 71768 74052 80739 82280 89710 92565 98681 107652 123420 134565 148104 152507 161478 179420 185130 197362 215304 246840 269130 296043 305014 322956 358840 370260 394724 403695 457521 493405 538260 592086 610028 645912 740520 762535 789448 807390 888129 915042 986810 1076520 1085491 1184172 1220056 1372563 1480215 1525070 1614780 1677577 1776258 1830084 1973620 2170982 2287605 2368344 2745126 2960430 3050140 3229560 3256473 3355154 3552516 3660168 3947240 4341964 4440645 4575210 5032731 5427455 5490252 5920860 6100280 6512946 6710308 6862815 7105032 8387885 8683928 8881290 9150420 9769419 10065462 10854910 10980504 11841720 13025892 13420616 13725630 15098193 16282365 16775770 17762580 18300840 18453347 19538838 20130924 21709820 25163655 26051784 27451260 30196386 32564730 33551540 35525160 36906694 39077676 40261848 43419640 48847095 50327310 54902520 55360041 60392772 65129460 67103080 73813388 75490965 78155352 92266735 97694190 100654620 110720082 120785544 130258920 147626776 150981930 166080123 184533470 195388380 201309240 221440164 276800205 301963860 332160246 369066940 390776760 442880328 553600410 603927720 664320492 738133880 830400615 1107200820 1328640984 1660801230 2214401640 3321602460 6643204920
• Sum of all divisors σ(n): 25130392560
• Sum of proper divisors (its aliquot sum) s(n): 18487187640
• 6643204920 is an abundant number, because the sum of its proper divisors (18487187640) is greater than itself. Its abundance is 11843982720

Bases of 6643204920

• Binary: 110001011111101110100001100111000₂
• Hexadecimal: 0x18BF74338
• Base-36: 31V6XQ0

Squares and roots of 6643204920

• 6643204920 squared (6643204920²) is 44132171609112206400
• 6643204920 cubed (6643204920³) is 293179059563938526388535488000
• The square root of 6643204920 is 81505.8581943653
• The cube root of 6643204920 is 1879.8616278119

Scales and comparisons

• 6,643,204,920 seconds is equal to 211 years, 12 weeks, 22 hours, 42 minutes.
• To count from 1 to 6,643,204,920 would take you about four hundred twenty-two 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 6643204920 cubic inches would be around 156.7 feet tall.

Recreational maths with 6643204920

• 6643204920 backwards is 0294023466
• 6643204920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6643204920's digits is 36
• More coming soon!