40285790720

Names of 40285790720

• Cardinal: 40285790720 can be written as Forty billion, two hundred eighty-five million, seven hundred ninety thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 4.028579072 × 10¹⁰

Factors of 40285790720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 145

Divisors of 40285790720

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 131 140 160 224 256 262 280 320 448 512 524 560 640 655 896 917 1048 1120 1280 1310 1792 1834 2096 2240 2560 2620 3584 3668 4192 4480 4585 5240 7336 8384 8960 9170 10480 14672 16768 17161 17920 18340 20960 29344 33536 34322 36680 41920 58688 67072 68644 73360 83840 85805 117376 120127 137288 146720 167680 171610 234752 240254 274576 293440 335360 343220 469504 480508 549152 586880 600635 686440 961016 1098304 1173760 1201270 1372880 1922032 2196608 2248091 2347520 2402540 2745760 3844064 4393216 4496182 4805080 5491520 7688128 8786432 8992364 9610160 10983040 11240455 15376256 15736637 17984728 19220320 21966080 22480910 30752512 31473274 35969456 38440640 43932160 44961820 61505024 62946548 71938912 76881280 78683185 89923640 125893096 143877824 153762560 157366370 179847280 251786192 287755648 307525120 314732740 359694560 503572384 575511296 629465480 719389120 1007144768 1151022592 1258930960 1438778240 2014289536 2517861920 2877556480 4028579072 5035723840 5755112960 8057158144 10071447680 20142895360 40285790720
• Sum of all divisors σ(n): 111239415936
• Sum of proper divisors (its aliquot sum) s(n): 70953625216
• 40285790720 is an abundant number, because the sum of its proper divisors (70953625216) is greater than itself. Its abundance is 30667834496

Bases of 40285790720

• Binary: 100101100001001110000110001000000000₂
• Hexadecimal: 0x961386200
• Base-36: II94B28

Squares and roots of 40285790720

• 40285790720 squared (40285790720²) is 1622944933935638118400
• 40285790720 cubed (40285790720³) is 65381619958615343187516981248000
• The square root of 40285790720 is 200713.2051460491
• The cube root of 40285790720 is 3428.0774930777

Scales and comparisons

• 40,285,790,720 seconds is equal to 1,280 years, 50 weeks, 17 hours, 25 minutes, 20 seconds.
• To count from 1 to 40,285,790,720 would take you about two thousand, five hundred sixty-one 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 40285790720 cubic inches would be around 285.7 feet tall.

Recreational maths with 40285790720

• 40285790720 backwards is 02709758204
• The number of decimal digits it has is: 11
• The sum of 40285790720's digits is 44
• More coming soon!