40686784768

Names of 40686784768

• Cardinal: 40686784768 can be written as Forty billion, six hundred eighty-six million, seven hundred eighty-four thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 4.0686784768 × 10¹⁰

Factors of 40686784768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 319

Divisors of 40686784768

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 32 56 62 64 73 79 112 124 127 128 146 158 217 224 248 254 256 292 316 434 448 496 508 511 553 584 632 868 889 896 992 1016 1022 1106 1168 1264 1736 1778 1792 1984 2032 2044 2212 2263 2336 2449 2528 3472 3556 3937 3968 4064 4088 4424 4526 4672 4898 5056 5767 6944 7112 7874 7936 8128 8176 8848 9052 9271 9344 9796 10033 10112 11534 13888 14224 15748 15841 16256 16352 17143 17696 18104 18542 18688 19592 20066 20224 23068 27559 27776 28448 31496 31682 32512 32704 34286 35392 36208 37084 39184 40132 40369 46136 55118 55552 56896 62992 63364 64897 65408 68572 70231 70784 72416 74168 78368 80264 80738 92272 110236 113792 125984 126728 129794 130816 137144 140462 141568 144832 148336 156736 160528 161476 178777 184544 220472 227584 251968 253456 259588 274288 280924 287401 289664 296672 311023 313472 321056 322952 357554 369088 440944 503936 506912 519176 548576 561848 574802 579328 593344 622046 626944 642112 645904 715108 732409 738176 881888 1007872 1013824 1038352 1097152 1123696 1149604 1186688 1244092 1251439 1284224 1291808 1430216 1464818 1476352 1763776 2011807 2027648 2076704 2177161 2194304 2247392 2299208 2373376 2488184 2502878 2568448 2583616 2860432 2929636 3527552 4023614 4055296 4153408 4354322 4388608 4494784 4598416 4976368 5005756 5126863 5167232 5720864 5859272 7055104 8047228 8306816 8708644 8989568 9196832 9952736 10011512 10253726 10334464 11441728 11718544 16094456 16613632 17417288 17979136 18393664 19905472 20023024 20507452 22704679 22883456 23437088 32188912 34834576 36787328 39810944 40046048 41014904 45409358 45766912 46874176 64377824 69669152 73574656 79621888 80092096 82029808 90818716 93748352 128755648 139338304 158932753 160184192 164059616 181637432 187496704 257511296 278676608 317865506 320368384 328119232 363274864 515022592 557353216 635731012 656238464 726549728 1271462024 1312476928 1453099456 2542924048 2906198912 5085848096 5812397824 10171696192 20343392384 40686784768
• Sum of all divisors σ(n): 99127132160
• Sum of proper divisors (its aliquot sum) s(n): 58440347392
• 40686784768 is an abundant number, because the sum of its proper divisors (58440347392) is greater than itself. Its abundance is 17753562624

Bases of 40686784768

• Binary: 100101111001000111110001000100000000₂
• Hexadecimal: 0x9791F1100
• Base-36: IOVV01S

Squares and roots of 40686784768

• 40686784768 squared (40686784768²) is 1655414454757556813824
• 40686784768 cubed (40686784768³) is 67353491622556787705588935032832
• The square root of 40686784768 is 201709.6546226777
• The cube root of 40686784768 is 3439.4140195317

Scales and comparisons

• 40,686,784,768 seconds is equal to 1,293 years, 37 weeks, 20 hours, 39 minutes, 28 seconds.
• To count from 1 to 40,686,784,768 would take you about two thousand, five hundred eighty-seven 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 40686784768 cubic inches would be around 286.6 feet tall.

Recreational maths with 40686784768

• 40686784768 backwards is 86748768604
• 40686784768 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40686784768's digits is 64
• More coming soon!