40128311808

Names of 40128311808

• Cardinal: 40128311808 can be written as Forty billion, one hundred twenty-eight million, three hundred eleven thousand, eight hundred eight.

Scientific notation

• Scientific notation: 4.0128311808 × 10¹⁰

Factors of 40128311808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 245

Divisors of 40128311808

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 169 192 208 227 234 256 288 312 338 384 416 454 468 507 512 576 624 676 681 768 832 908 936 1014 1152 1248 1352 1362 1521 1536 1664 1816 1872 2028 2043 2304 2496 2704 2724 2951 3042 3328 3632 3744 4056 4086 4608 4992 5408 5448 5902 6084 6656 7264 7488 8112 8172 8853 9984 10816 10896 11804 12168 14528 14976 16224 16344 17706 19968 21632 21792 23608 24336 26559 29056 29952 32448 32688 35412 38363 43264 43584 47216 48672 51529 53118 58112 59904 64896 65376 70824 76726 86528 87168 94432 97344 103058 106236 115089 116224 129792 130752 141648 153452 154587 174336 188864 194688 206116 212472 230178 259584 261504 283296 306904 309174 345267 348672 377728 389376 412232 424944 460356 463761 523008 566592 613808 618348 669877 690534 755456 778752 824464 849888 920712 927522 1046016 1133184 1227616 1236696 1339754 1381068 1510912 1648928 1699776 1841424 1855044 2009631 2266368 2455232 2473392 2679508 2762136 3297856 3399552 3682848 3710088 4019262 4532736 4910464 4946784 5359016 5524272 6028893 6595712 6799104 7365696 7420176 8038524 8708401 9820928 9893568 10718032 11048544 12057786 13191424 13598208 14731392 14840352 16077048 17416802 19641856 19787136 21436064 22097088 24115572 26125203 26382848 29462784 29680704 32154096 34833604 39574272 42872128 44194176 48231144 52250406 58925568 59361408 64308192 69667208 78375609 79148544 85744256 88388352 96462288 104500812 118722816 128616384 139334416 156751218 171488512 176776704 192924576 209001624 237445632 257232768 278668832 313502436 342977024 385849152 418003248 514465536 557337664 627004872 771698304 836006496 1028931072 1114675328 1254009744 1543396608 1672012992 2229350656 2508019488 3086793216 3344025984 4458701312 5016038976 6688051968 10032077952 13376103936 20064155904 40128311808
• Sum of all divisors σ(n): 125961890769
• Sum of proper divisors (its aliquot sum) s(n): 85833578961
• 40128311808 is an abundant number, because the sum of its proper divisors (85833578961) is greater than itself. Its abundance is 45705267153

Bases of 40128311808

• Binary: 100101010111110101010111001000000000₂
• Hexadecimal: 0x957D57200
• Base-36: IFNCZK0

Squares and roots of 40128311808

• 40128311808 squared (40128311808²) is 1610281408560072228864
• 40128311808 cubed (40128311808³) is 64617874461324018698856129626112
• The square root of 40128311808 is 200320.5226830239
• The cube root of 40128311808 is 3423.6048252701

Scales and comparisons

• 40,128,311,808 seconds is equal to 1,275 years, 49 weeks, 5 days, 1 hour, 16 minutes, 48 seconds.
• To count from 1 to 40,128,311,808 would take you about two thousand, five hundred fifty-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 40128311808 cubic inches would be around 285.3 feet tall.

Recreational maths with 40128311808

• 40128311808 backwards is 80811382104
• 40128311808 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40128311808's digits is 36
• More coming soon!