20708191920

Names of 20708191920

• Cardinal: 20708191920 can be written as Twenty billion, seven hundred eight million, one hundred ninety-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.070819192 × 10¹⁰

Factors of 20708191920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1625

Divisors of 20708191920

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 169 195 208 240 260 312 338 390 439 507 520 624 676 780 845 878 1014 1040 1163 1317 1352 1560 1690 1756 2028 2195 2326 2535 2634 2704 3120 3380 3489 3512 4056 4390 4652 5070 5268 5707 5815 6585 6760 6978 7024 8112 8780 9304 10140 10536 11414 11630 13170 13520 13956 15119 17121 17445 17560 18608 20280 21072 22828 23260 26340 27912 28535 30238 34242 34890 35120 40560 45357 45656 46520 52680 55824 57070 60476 68484 69780 74191 75595 85605 90714 91312 93040 105360 114140 120952 136968 139560 148382 151190 171210 181428 196547 222573 226785 228280 241904 273936 279120 296764 302380 342420 362856 370955 393094 445146 453570 456560 510557 589641 593528 604760 684840 725712 741910 786188 890292 907140 982735 1021114 1112865 1179282 1187056 1209520 1369680 1483820 1531671 1572376 1780584 1814280 1965470 2042228 2225730 2358564 2552785 2948205 2967640 3063342 3144752 3561168 3628560 3930940 4084456 4451460 4717128 5105570 5896410 5935280 6126684 6637241 7658355 7861880 8168912 8902920 9434256 10211140 11792820 12253368 13274482 15316710 15723760 17805840 19911723 20422280 23585640 24506736 26548964 30633420 33186205 39823446 40844560 47171280 53097928 61266840 66372410 79646892 86284133 99558615 106195856 122533680 132744820 159293784 172568266 199117230 258852399 265489640 318587568 345136532 398234460 431420665 517704798 530979280 690273064 796468920 862841330 1035409596 1294261995 1380546128 1592937840 1725682660 2070819192 2588523990 3451365320 4141638384 5177047980 6902730640 10354095960 20708191920
• Sum of all divisors σ(n): 69731608320
• Sum of proper divisors (its aliquot sum) s(n): 49023416400
• 20708191920 is an abundant number, because the sum of its proper divisors (49023416400) is greater than itself. Its abundance is 28315224480

Bases of 20708191920

• Binary: 10011010010010011011110111010110000₂
• Hexadecimal: 0x4D24DEEB0
• Base-36: 9IH4F5C

Squares and roots of 20708191920

• 20708191920 squared (20708191920²) is 428829212595553286400
• 20708191920 cubed (20708191920³) is 8880277635331198793357925888000
• The square root of 20708191920 is 143903.4117733141
• The cube root of 20708191920 is 2746.0855345411

Scales and comparisons

• 20,708,191,920 seconds is equal to 658 years, 23 weeks, 5 days, 3 hours, 32 minutes.
• To count from 1 to 20,708,191,920 would take you about one thousand, three hundred sixteen 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 20708191920 cubic inches would be around 228.8 feet tall.

Recreational maths with 20708191920

• 20708191920 backwards is 02919180702
• 20708191920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20708191920's digits is 39
• More coming soon!