18313993530

Names of 18313993530

• Cardinal: 18313993530 can be written as Eighteen billion, three hundred thirteen million, nine hundred ninety-three thousand, five hundred thirty.

Scientific notation

• Scientific notation: 1.831399353 × 10¹⁰

Factors of 18313993530

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1269

Divisors of 18313993530

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 59 63 70 90 98 105 118 126 147 177 210 245 294 295 315 354 413 441 490 531 590 630 735 826 882 885 1062 1193 1239 1470 1770 2065 2205 2386 2478 2655 2891 3481 3579 3717 4130 4410 5310 5782 5965 6195 6962 7158 7434 8351 8673 10443 10737 11930 12390 14455 16702 17346 17405 17895 18585 20886 21474 24367 25053 26019 28910 31329 34810 35790 37170 41755 43365 48734 50106 52038 52215 53685 58457 62658 70387 73101 75159 83510 86730 104430 107370 116914 121835 125265 130095 140774 146202 150318 156645 170569 175371 211161 219303 243670 250530 260190 292285 313290 341138 350742 351935 365505 375795 422322 438606 492709 511707 526113 584570 633483 703870 731010 751590 852845 876855 985418 1023414 1052226 1055805 1096515 1266966 1478127 1535121 1705690 1753710 2111610 2193030 2463545 2558535 2630565 2956254 3070242 3167415 3448963 4152833 4434381 4927090 5117070 5261130 6334830 6897926 7390635 7675605 8305666 8868762 10346889 12458499 14781270 15351210 17244815 20693778 20764165 22171905 24916998 29069831 31040667 34489630 37375497 41528330 44343810 51734445 58139662 62081334 62292495 74750994 87209493 103468890 124584990 145349155 155203335 174418986 186877485 203488817 261628479 290698310 310406670 373754970 406977634 436047465 523256958 610466451 872094930 1017444085 1220932902 1308142395 1831399353 2034888170 2616284790 3052332255 3662798706 6104664510 9156996765 18313993530
• Sum of all divisors σ(n): 56392450452
• Sum of proper divisors (its aliquot sum) s(n): 38078456922
• 18313993530 is an abundant number, because the sum of its proper divisors (38078456922) is greater than itself. Its abundance is 19764463392

Bases of 18313993530

• Binary: 10001000011100110010101110100111010₂
• Hexadecimal: 0x443995D3A
• Base-36: 8EVOFUI

Squares and roots of 18313993530

• 18313993530 squared (18313993530²) is 335402359016881860900
• 18313993530 cubed (18313993530³) is 6142556632981911561296959977000
• The square root of 18313993530 is 135329.2042760911
• The cube root of 18313993530 is 2635.8924459107

Scales and comparisons

• 18,313,993,530 seconds is equal to 582 years, 17 weeks, 12 hours, 25 minutes, 30 seconds.
• To count from 1 to 18,313,993,530 would take you about one thousand, one hundred sixty-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 18313993530 cubic inches would be around 219.7 feet tall.

Recreational maths with 18313993530

• 18313993530 backwards is 03539931381
• 18313993530 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18313993530's digits is 45
• More coming soon!