40428794880

Names of 40428794880

• Cardinal: 40428794880 can be written as Forty billion, four hundred twenty-eight million, seven hundred ninety-four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 4.042879488 × 10¹⁰

Factors of 40428794880

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 877371

Divisors of 40428794880

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 960 1024 1152 1280 1440 1536 1920 2304 2560 2880 3072 3840 4608 5120 5760 7680 9216 11520 15360 23040 46080 877361 1754722 2632083 3509444 4386805 5264166 7018888 7896249 8773610 10528332 13160415 14037776 15792498 17547220 21056664 26320830 28075552 31584996 35094440 39481245 42113328 52641660 56151104 63169992 70188880 78962490 84226656 105283320 112302208 126339984 140377760 157924980 168453312 210566640 224604416 252679968 280755520 315849960 336906624 421133280 449208832 505359936 561511040 631699920 673813248 842266560 898417664 1010719872 1123022080 1263399840 1347626496 1684533120 2021439744 2246044160 2526799680 2695252992 3369066240 4042879488 4492088320 5053599360 6738132480 8085758976 10107198720 13476264960 20214397440 40428794880
• Sum of all divisors σ(n): 140084881092
• Sum of proper divisors (its aliquot sum) s(n): 99656086212
• 40428794880 is an abundant number, because the sum of its proper divisors (99656086212) is greater than itself. Its abundance is 59227291332

Bases of 40428794880

• Binary: 100101101001101111100111010000000000₂
• Hexadecimal: 0x969BE7400
• Base-36: IKM9DS0

Squares and roots of 40428794880

• 40428794880 squared (40428794880²) is 1634487455449114214400
• 40428794880 cubed (40428794880³) is 66080358070285376851669942272000
• The square root of 40428794880 is 201069.1296047207
• The cube root of 40428794880 is 3432.1289664155

Scales and comparisons

• 40,428,794,880 seconds is equal to 1,285 years, 26 weeks, 3 days, 20 hours, 48 minutes.
• To count from 1 to 40,428,794,880 would take you about two thousand, five hundred seventy-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 40428794880 cubic inches would be around 286 feet tall.

Recreational maths with 40428794880

• 40428794880 backwards is 08849782404
• The number of decimal digits it has is: 11
• The sum of 40428794880's digits is 54
• More coming soon!