19808100072

Names of 19808100072

• Cardinal: 19808100072 can be written as Nineteen billion, eight hundred eight million, one hundred thousand and seventy-two.

Scientific notation

• Scientific notation: 1.9808100072 × 10¹⁰

Factors of 19808100072

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1135

Divisors of 19808100072

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 37 41 54 61 72 74 82 108 111 122 123 148 164 183 216 222 244 246 296 328 333 366 369 444 488 492 549 666 732 738 888 984 991 999 1098 1107 1332 1464 1476 1517 1647 1982 1998 2196 2214 2257 2501 2664 2952 2973 3034 3294 3964 3996 4392 4428 4514 4551 5002 5946 6068 6588 6771 7503 7928 7992 8856 8919 9028 9102 10004 11892 12136 13176 13542 13653 15006 17838 18056 18204 20008 20313 22509 23784 26757 27084 27306 30012 35676 36408 36667 40626 40631 40959 45018 53514 54168 54612 60024 60451 60939 67527 71352 73334 81252 81262 81918 90036 92537 107028 109224 110001 120902 121878 121893 135054 146668 162504 162524 163836 180072 181353 185074 214056 220002 241804 243756 243786 270108 277611 293336 325048 327672 330003 362706 365679 370148 440004 483608 487512 487572 540216 544059 555222 660006 725412 731358 740296 832833 880008 975144 990009 1088118 1097037 1110444 1320012 1450824 1462716 1503347 1632177 1665666 1980018 2176236 2194074 2220888 2236687 2478491 2498499 2640024 2925432 3006694 3264354 3331332 3960036 4352472 4388148 4473374 4510041 4956982 4996998 6013388 6528708 6662664 6710061 7435473 7920072 8776296 8946748 9020082 9913964 9993996 12026776 13057416 13420122 13530123 14870946 17893496 18040164 19827928 19987992 20130183 22306419 26840244 27060246 29741892 36080328 40260366 40590369 44612838 53680488 54120492 59483784 60390549 66919257 80520732 81180738 89225676 91704167 108240984 120781098 133838514 161041464 162361476 178451352 183408334 241562196 267677028 275112501 324722952 366816668 483124392 535354056 550225002 733633336 825337503 1100450004 1650675006 2200900008 2476012509 3301350012 4952025018 6602700024 9904050036 19808100072
• Sum of all divisors σ(n): 58896230400
• Sum of proper divisors (its aliquot sum) s(n): 39088130328
• 19808100072 is an abundant number, because the sum of its proper divisors (39088130328) is greater than itself. Its abundance is 19280030256

Bases of 19808100072

• Binary: 10010011100101001111001111011101000₂
• Hexadecimal: 0x49CA79EE8
• Base-36: 93L8BU0

Squares and roots of 19808100072

• 19808100072 squared (19808100072²) is 392360828462366405184
• 19808100072 cubed (19808100072³) is 7771922554515379639815571573248
• The square root of 19808100072 is 140741.2522041779
• The cube root of 19808100072 is 2705.7080918739

Scales and comparisons

• 19,808,100,072 seconds is equal to 629 years, 43 weeks, 3 days, 10 hours, 1 minute, 12 seconds.
• To count from 1 to 19,808,100,072 would take you about one thousand, two hundred fifty-nine 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 19808100072 cubic inches would be around 225.5 feet tall.

Recreational maths with 19808100072

• 19808100072 backwards is 27000180891
• 19808100072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19808100072's digits is 36
• More coming soon!