9918384128

Names of 9918384128

• Cardinal: 9918384128 can be written as Nine billion, nine hundred eighteen million, three hundred eighty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 9.918384128 × 10⁹

Factors of 9918384128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 153

Divisors of 9918384128

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 16 32 41 43 64 67 82 86 128 134 164 172 256 268 328 344 512 536 656 688 1024 1072 1312 1376 1681 1763 2048 2144 2624 2747 2752 2881 3362 3526 4288 5248 5494 5504 5762 6724 7052 8576 10496 10988 11008 11524 13448 14104 17152 20992 21976 22016 23048 26896 28208 34304 41984 43952 44032 46096 53792 56416 68608 72283 83968 87904 88064 92192 107584 112627 112832 118121 137216 144566 175808 184384 215168 225254 225664 236242 289132 351616 368768 430336 450508 451328 472484 578264 703232 737536 860672 901016 902656 944968 1156528 1406464 1475072 1721344 1802032 1805312 1889936 2313056 2812928 2950144 3442688 3604064 3610624 3779872 4626112 4842961 5625856 5900288 7208128 7559744 9252224 9685922 14416256 15119488 18504448 19371844 28832512 30238976 37008896 38743688 57665024 60477952 74017792 77487376 115330048 120955904 148035584 154974752 230660096 241911808 309949504 619899008 1239798016 2479596032 4959192064 9918384128
• Sum of all divisors σ(n): 21110609520
• Sum of proper divisors (its aliquot sum) s(n): 11192225392
• 9918384128 is an abundant number, because the sum of its proper divisors (11192225392) is greater than itself. Its abundance is 1273841264

Bases of 9918384128

• Binary: 1001001111001011101000100000000000₂
• Hexadecimal: 0x24F2E8800
• Base-36: 4K15E68

Squares and roots of 9918384128

• 9918384128 squared (9918384128²) is 98374343710562320384
• 9918384128 cubed (9918384128³) is 975714529261257944451516465152
• The square root of 9918384128 is 99591.0845809001
• The cube root of 9918384128 is 2148.5574695681

Scales and comparisons

• 9,918,384,128 seconds is equal to 315 years, 19 weeks, 3 days, 2 hours, 42 minutes, 8 seconds.
• To count from 1 to 9,918,384,128 would take you about six hundred thirty 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 9918384128 cubic inches would be around 179 feet tall.

Recreational maths with 9918384128

• 9918384128 backwards is 8214838199
• The number of decimal digits it has is: 10
• The sum of 9918384128's digits is 53
• More coming soon!