19794218640

Names of 19794218640

• Cardinal: 19794218640 can be written as Nineteen billion, seven hundred ninety-four million, two hundred eighteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.979421864 × 10¹⁰

Factors of 19794218640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1760

Divisors of 19794218640

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 73 80 84 103 105 112 120 140 146 168 206 210 219 240 280 292 309 336 365 412 420 438 511 515 560 584 618 721 730 824 840 876 1022 1030 1095 1168 1236 1442 1460 1533 1545 1567 1648 1680 1752 2044 2060 2163 2190 2472 2555 2884 2920 3066 3090 3134 3504 3605 4088 4120 4326 4380 4701 4944 5110 5768 5840 6132 6180 6268 7210 7519 7665 7835 8176 8240 8652 8760 9402 10220 10815 10969 11536 12264 12360 12536 14420 15038 15330 15670 17304 17520 18804 20440 21630 21938 22557 23505 24528 24720 25072 28840 30076 30660 31340 32907 34608 37595 37608 40880 43260 43876 45114 47010 52633 54845 57680 60152 61320 62680 65814 75190 75216 86520 87752 90228 94020 105266 109690 112785 114391 120304 122640 125360 131628 150380 157899 161401 164535 173040 175504 180456 188040 210532 219380 225570 228782 263165 263256 300760 315798 322802 329070 343173 360912 376080 421064 438760 451140 457564 484203 526330 526512 571955 601520 631596 645604 658140 686346 789495 800737 807005 842128 877520 902280 915128 968406 1052660 1129807 1143910 1263192 1291208 1316280 1372692 1578990 1601474 1614010 1715865 1804560 1830256 1936812 2105320 2259614 2287820 2402211 2421015 2526384 2582416 2632560 2745384 3157980 3202948 3228020 3389421 3431730 3873624 4003685 4210640 4519228 4575640 4804422 4842030 5490768 5649035 6315960 6405896 6456040 6778842 6863460 7747248 8007370 9038456 9151280 9608844 9684060 11298070 11782273 12011055 12631920 12811792 12912080 13557684 13726920 16014740 16947105 18076912 19217688 19368120 22596140 23564546 24022110 27115368 27453840 32029480 33894210 35346819 38435376 38736240 45192280 47129092 48044220 54230736 58911365 64058960 67788420 70693638 82475911 90384560 94258184 96088440 117822730 135576840 141387276 164951822 176734095 188516368 192176880 235645460 247427733 271153680 282774552 329903644 353468190 412379555 471290920 494855466 565549104 659807288 706936380 824759110 942581840 989710932 1237138665 1319614576 1413872760 1649518220 1979421864 2474277330 2827745520 3299036440 3958843728 4948554660 6598072880 9897109320 19794218640
• Sum of all divisors σ(n): 71824736256
• Sum of proper divisors (its aliquot sum) s(n): 52030517616
• 19794218640 is an abundant number, because the sum of its proper divisors (52030517616) is greater than itself. Its abundance is 32236298976

Bases of 19794218640

• Binary: 10010011011110100111100111010010000₂
• Hexadecimal: 0x49BD3CE90
• Base-36: 93CYSUO

Squares and roots of 19794218640

• 19794218640 squared (19794218640²) is 391811091568123449600
• 19794218640 cubed (19794218640³) is 7755594412076496015893420544000
• The square root of 19794218640 is 140691.9281266697
• The cube root of 19794218640 is 2705.0758946091

Scales and comparisons

• 19,794,218,640 seconds is equal to 629 years, 20 weeks, 3 days, 18 hours, 4 minutes.
• To count from 1 to 19,794,218,640 would take you about one thousand, two hundred fifty-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 19794218640 cubic inches would be around 225.4 feet tall.

Recreational maths with 19794218640

• 19794218640 backwards is 04681249791
• The number of decimal digits it has is: 11
• The sum of 19794218640's digits is 51
• More coming soon!