19555728920

Names of 19555728920

• Cardinal: 19555728920 can be written as Nineteen billion, five hundred fifty-five million, seven hundred twenty-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.955572892 × 10¹⁰

Factors of 19555728920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3154

Divisors of 19555728920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 26 28 29 35 40 52 56 58 61 65 70 91 104 116 122 130 140 145 182 203 232 244 260 280 290 305 364 377 406 427 455 488 520 580 610 728 754 793 812 854 910 1015 1160 1220 1508 1586 1624 1708 1769 1820 1885 2030 2135 2440 2639 3016 3037 3172 3416 3538 3640 3770 3965 4060 4270 5278 5551 6074 6344 7076 7540 7930 8120 8540 8845 10556 11102 12148 12383 13195 14152 15080 15185 15860 17080 17690 21112 21259 22204 22997 24296 24766 26390 27755 30370 31720 35380 39481 42518 44408 45994 49532 52780 55510 60740 61915 70760 78962 85036 88073 91988 99064 105560 106295 111020 114985 121480 123830 157924 160979 170072 176146 183976 185257 197405 212590 222040 229970 247660 276367 315848 321958 352292 370514 394810 425180 440365 459940 495320 552734 616511 643916 704584 741028 789620 804895 850360 880730 919880 926285 1105468 1144949 1233022 1287832 1296799 1381835 1482056 1579240 1609790 1761460 1852570 2210936 2289898 2408341 2466044 2593598 2763670 3082555 3219580 3522920 3705140 4579796 4816682 4932088 5187196 5372453 5527340 5724745 6165110 6439160 6483995 7410280 8014643 9159592 9633364 10374392 10744906 11054680 11449490 12041705 12330220 12967990 16029286 16858387 19266728 21489812 22898980 24083410 24660440 25935980 26862265 32058572 33716774 37607171 40073215 42979624 45797960 48166820 51871960 53724530 64117144 67433548 69841889 75214342 80146430 84291935 96333640 107449060 134867096 139683778 150428684 160292860 168583870 188035855 214898120 279367556 300857368 320585720 337167740 349209445 376071710 488893223 558735112 674335480 698418890 752143420 977786446 1396837780 1504286840 1955572892 2444466115 2793675560 3911145784 4888932230 9777864460 19555728920
• Sum of all divisors σ(n): 56958854400
• Sum of proper divisors (its aliquot sum) s(n): 37403125480
• 19555728920 is an abundant number, because the sum of its proper divisors (37403125480) is greater than itself. Its abundance is 17847396560

Bases of 19555728920

• Binary: 10010001101100111001011111000011000₂
• Hexadecimal: 0x48D9CBE18
• Base-36: 8ZEZ508

Squares and roots of 19555728920

• 19555728920 squared (19555728920²) is 382426533592524366400
• 19555728920 cubed (19555728920³) is 7478629622750680247813156288000
• The square root of 19555728920 is 139841.7996165667
• The cube root of 19555728920 is 2694.1679751715

Scales and comparisons

• 19,555,728,920 seconds is equal to 621 years, 42 weeks, 1 day, 10 hours, 55 minutes, 20 seconds.
• To count from 1 to 19,555,728,920 would take you about one thousand, two hundred forty-three 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 19555728920 cubic inches would be around 224.5 feet tall.

Recreational maths with 19555728920

• 19555728920 backwards is 02982755591
• The number of decimal digits it has is: 11
• The sum of 19555728920's digits is 53
• More coming soon!