20789407440

Names of 20789407440

• Cardinal: 20789407440 can be written as Twenty billion, seven hundred eighty-nine million, four hundred seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.078940744 × 10¹⁰

Factors of 20789407440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 73897

Divisors of 20789407440

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 23 24 30 34 36 40 45 46 48 51 60 68 69 72 80 85 90 92 102 115 120 136 138 144 153 170 180 184 204 207 230 240 255 272 276 306 340 345 360 368 391 408 414 460 510 552 612 680 690 720 765 782 816 828 920 1020 1035 1104 1173 1224 1360 1380 1530 1564 1656 1840 1955 2040 2070 2346 2448 2760 3060 3128 3312 3519 3910 4080 4140 4692 5520 5865 6120 6256 7038 7820 8280 9384 11730 12240 14076 15640 16560 17595 18768 23460 28152 31280 35190 46920 56304 70380 73847 93840 140760 147694 221541 281520 295388 369235 443082 590776 664623 738470 886164 1107705 1181552 1255399 1329246 1476940 1698481 1772328 2215410 2510798 2658492 2953880 3323115 3396962 3544656 3766197 4430820 5021596 5095443 5316984 5907760 6276995 6646230 6793924 7532394 8492405 8861640 10043192 10190886 10633968 11298591 12553990 13292460 13587848 15064788 15286329 16984810 17723280 18830985 20086384 20381772 22597182 25107980 25477215 26584920 27175696 28874177 30129576 30572658 33969620 37661970 40763544 45194364 50215960 50954430 53169840 56492955 57748354 60259152 61145316 67939240 75323940 76431645 81527088 86622531 90388728 100431920 101908860 112985910 115496708 122290632 135878480 144370885 150647880 152863290 173245062 180777456 203817720 225971820 230993416 244581264 259867593 288741770 301295760 305726580 346490124 407635440 433112655 451943640 461986832 519735186 577483540 611453160 692980248 866225310 903887280 1039470372 1154967080 1222906320 1299337965 1385960496 1732450620 2078940744 2309934160 2598675930 3464901240 4157881488 5197351860 6929802480 10394703720 20789407440
• Sum of all divisors σ(n): 77139848448
• Sum of proper divisors (its aliquot sum) s(n): 56350441008
• 20789407440 is an abundant number, because the sum of its proper divisors (56350441008) is greater than itself. Its abundance is 35561033568

Bases of 20789407440

• Binary: 10011010111001001010010111011010000₂
• Hexadecimal: 0x4D7252ED0
• Base-36: 9JTH5G0

Squares and roots of 20789407440

• 20789407440 squared (20789407440²) is 432199461706327353600
• 20789407440 cubed (20789407440³) is 8985170704761516980007350784000
• The square root of 20789407440 is 144185.3232475483
• The cube root of 20789407440 is 2749.6708119461

Scales and comparisons

• 20,789,407,440 seconds is equal to 661 years, 2 weeks, 3 hours, 24 minutes.
• To count from 1 to 20,789,407,440 would take you about one thousand, three 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 20789407440 cubic inches would be around 229.1 feet tall.

Recreational maths with 20789407440

• 20789407440 backwards is 04470498702
• 20789407440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20789407440's digits is 45
• More coming soon!