18150578432

Names of 18150578432

• Cardinal: 18150578432 can be written as Eighteen billion, one hundred fifty million, five hundred seventy-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.8150578432 × 10¹⁰

Factors of 18150578432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1272

Divisors of 18150578432

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 14 16 23 28 32 46 49 53 56 64 92 98 106 112 128 161 184 196 212 224 256 322 368 371 392 424 448 644 736 742 784 848 896 1127 1187 1219 1288 1472 1484 1568 1696 1792 2254 2374 2438 2576 2597 2944 2968 3136 3392 4508 4748 4876 5152 5194 5888 5936 6272 6784 8309 8533 9016 9496 9752 10304 10388 11872 12544 13568 16618 17066 18032 18992 19504 20608 20776 23744 27301 33236 34132 36064 37984 39008 41216 41552 47488 54602 58163 59731 62911 66472 68264 72128 75968 78016 83104 94976 109204 116326 119462 125822 132944 136528 144256 151936 156032 166208 191107 218408 232652 238924 251644 265888 273056 288512 303872 312064 332416 382214 436816 440377 465304 477848 503288 531776 546112 664832 764428 873632 880754 930608 955696 1006576 1063552 1092224 1337749 1446953 1528856 1747264 1761508 1861216 1911392 2013152 2127104 2184448 2675498 2893906 3057712 3082639 3494528 3523016 3722432 3822784 4026304 5350996 5787812 6115424 6165278 6989056 7046032 7444864 7645568 8052608 10128671 10701992 11575624 12230848 12330556 14092064 14889728 15291136 16105216 20257342 21403984 23151248 24461696 24661112 28184128 40514684 42807968 46302496 48923392 49322224 56368256 70900697 81029368 85615936 92604992 98644448 112736512 141801394 162058736 171231872 185209984 197288896 283602788 324117472 342463744 370419968 394577792 567205576 648234944 789155584 1134411152 1296469888 2268822304 2592939776 4537644608 9075289216 18150578432
• Sum of all divisors σ(n): 44845327296
• Sum of proper divisors (its aliquot sum) s(n): 26694748864
• 18150578432 is an abundant number, because the sum of its proper divisors (26694748864) is greater than itself. Its abundance is 8544170432

Bases of 18150578432

• Binary: 10000111001110110111101100100000000₂
• Hexadecimal: 0x439DBD900
• Base-36: 8C6DVY8

Squares and roots of 18150578432

• 18150578432 squared (18150578432²) is 329443497416183578624
• 18150578432 cubed (18150578432³) is 5979590038764829389925350637568
• The square root of 18150578432 is 134724.0825984723
• The cube root of 18150578432 is 2628.0290201723

Scales and comparisons

• 18,150,578,432 seconds is equal to 577 years, 6 weeks, 6 days, 3 hours, 20 minutes, 32 seconds.
• To count from 1 to 18,150,578,432 would take you about one thousand, one hundred fifty-four 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 18150578432 cubic inches would be around 219 feet tall.

Recreational maths with 18150578432

• 18150578432 backwards is 23487505181
• The number of decimal digits it has is: 11
• The sum of 18150578432's digits is 44
• More coming soon!