40407942720

Names of 40407942720

• Cardinal: 40407942720 can be written as Forty billion, four hundred seven million, nine hundred forty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 4.040794272 × 10¹⁰

Factors of 40407942720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1137658

Divisors of 40407942720

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 37 40 48 60 64 74 80 96 111 120 148 160 185 192 222 240 296 320 370 444 480 555 592 740 888 960 1110 1184 1480 1776 2220 2368 2960 3552 4440 5920 7104 8880 11840 17760 35520 1137611 2275222 3412833 4550444 5688055 6825666 9100888 11376110 13651332 17064165 18201776 22752220 27302664 34128330 36403552 42091607 45504440 54605328 68256660 72807104 84183214 91008880 109210656 126274821 136513320 168366428 182017760 210458035 218421312 252549642 273026640 336732856 364035520 420916070 505099284 546053280 631374105 673465712 841832140 1010198568 1092106560 1262748210 1346931424 1683664280 2020397136 2525496420 2693862848 3367328560 4040794272 5050992840 6734657120 8081588544 10101985680 13469314240 20203971360 40407942720
• Sum of all divisors σ(n): 131762772288
• Sum of proper divisors (its aliquot sum) s(n): 91354829568
• 40407942720 is an abundant number, because the sum of its proper divisors (91354829568) is greater than itself. Its abundance is 50946886848

Bases of 40407942720

• Binary: 100101101000100000000100011001000000₂
• Hexadecimal: 0x968804640
• Base-36: IK9UG5C

Squares and roots of 40407942720

• 40407942720 squared (40407942720²) is 1632801834862800998400
• 40407942720 cubed (40407942720³) is 65978163016246961802106011648000
• The square root of 40407942720 is 201017.2697058639
• The cube root of 40407942720 is 3431.5387962139

Scales and comparisons

• 40,407,942,720 seconds is equal to 1,284 years, 44 weeks, 12 hours, 32 minutes.
• To count from 1 to 40,407,942,720 would take you about two thousand, five hundred sixty-nine 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 40407942720 cubic inches would be around 286 feet tall.

Recreational maths with 40407942720

• 40407942720 backwards is 02724970404
• The number of decimal digits it has is: 11
• The sum of 40407942720's digits is 39
• More coming soon!