20448494640

Names of 20448494640

• Cardinal: 20448494640 can be written as Twenty billion, four hundred forty-eight million, four hundred ninety-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.044849464 × 10¹⁰

Factors of 20448494640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 213575

Divisors of 20448494640

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 28 30 35 36 38 40 42 45 48 56 57 60 63 70 72 76 80 84 90 95 105 112 114 120 126 133 140 144 152 168 171 180 190 210 228 240 252 266 280 285 304 315 336 342 360 380 399 420 456 504 532 560 570 630 665 684 720 760 798 840 855 912 1008 1064 1140 1197 1260 1330 1368 1520 1596 1680 1710 1995 2128 2280 2394 2520 2660 2736 3192 3420 3990 4560 4788 5040 5320 5985 6384 6840 7980 9576 10640 11970 13680 15960 19152 23940 31920 47880 95760 213539 427078 640617 854156 1067695 1281234 1494773 1708312 1921851 2135390 2562468 2989546 3203085 3416624 3843702 4057241 4270780 4484319 5124936 5979092 6406170 7473865 7687404 8114482 8541560 8968638 9609255 10249872 11958184 12171723 12812340 13452957 14947730 15374808 16228964 17083120 17937276 19218510 20286205 22421595 23916368 24343446 25624680 26905914 28400687 29895460 30749616 32457928 35874552 36515169 38437020 40572410 44843190 48686892 51249360 53811828 56801374 59790920 60858615 64915856 67264785 71749104 73030338 76874040 81144820 85202061 89686380 97373784 107623656 113602748 119581840 121717230 134529570 142003435 146060676 153748080 162289640 170404122 179372760 182575845 194747568 215247312 227205496 243434460 255606183 269059140 284006870 292121352 324579280 340808244 358745520 365151690 426010305 454410992 486868920 511212366 538118280 568013740 584242704 681616488 730303380 852020610 973737840 1022424732 1076236560 1136027480 1278030915 1363232976 1460606760 1704041220 2044849464 2272054960 2556061830 2921213520 3408082440 4089698928 5112123660 6816164880 10224247320 20448494640
• Sum of all divisors σ(n): 82614355200
• Sum of proper divisors (its aliquot sum) s(n): 62165860560
• 20448494640 is an abundant number, because the sum of its proper divisors (62165860560) is greater than itself. Its abundance is 41717365920

Bases of 20448494640

• Binary: 10011000010110100110100010000110000₂
• Hexadecimal: 0x4C2D34430
• Base-36: 9E6I7G0

Squares and roots of 20448494640

• 20448494640 squared (20448494640²) is 418140933042108729600
• 20448494640 cubed (20448494640³) is 8550352628076159251522809344000
• The square root of 20448494640 is 142998.2329960759
• The cube root of 20448494640 is 2734.5578413293

Scales and comparisons

• 20,448,494,640 seconds is equal to 650 years, 10 weeks, 2 days, 9 hours, 24 minutes.
• To count from 1 to 20,448,494,640 would take you about one thousand, three hundred 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 20448494640 cubic inches would be around 227.9 feet tall.

Recreational maths with 20448494640

• 20448494640 backwards is 04649484402
• 20448494640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20448494640's digits is 45
• More coming soon!