9918842472

Names of 9918842472

• Cardinal: 9918842472 can be written as Nine billion, nine hundred eighteen million, eight hundred forty-two thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 9.918842472 × 10⁹

Factors of 9918842472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7651

Divisors of 9918842472

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 27 28 33 36 42 44 54 56 63 66 72 77 79 84 88 99 108 126 132 154 158 168 189 198 216 231 237 252 264 297 308 316 378 396 462 474 504 553 594 616 632 693 711 756 792 869 924 948 1106 1188 1386 1422 1512 1659 1738 1848 1896 2079 2133 2212 2376 2607 2772 2844 3318 3476 4158 4266 4424 4977 5214 5544 5688 6083 6636 6952 7549 7821 8316 8532 9954 10428 12166 13272 14931 15098 15642 16632 17064 18249 19908 20856 22647 23463 24332 29862 30196 31284 36498 39816 45294 46926 48664 52843 54747 59724 60392 62568 67941 72996 83039 90588 93852 105686 109494 119448 135882 145992 158529 164241 166078 181176 187704 203823 211372 218988 249117 271764 317058 328482 332156 407646 422744 437976 475587 498234 543528 581273 596371 634116 656964 664312 747351 815292 951174 996468 1162546 1192742 1268232 1313928 1426761 1494702 1630584 1743819 1789113 1902348 1992936 2242053 2325092 2385484 2853522 2989404 3487638 3578226 3804696 4174597 4484106 4650184 4770968 5231457 5367339 5707044 5978808 6560081 6975276 7156452 8349194 8968212 10462914 10734678 11414088 12523791 13120162 13950552 14312904 15694371 16102017 16698388 17936424 19680243 20925828 21469356 25047582 26240324 31388742 32204034 33396776 37571373 39360486 41851656 42938712 45920567 50095164 52480648 59040729 62777484 64408068 75142746 78720972 91841134 100190328 112714119 118081458 125554968 128816136 137761701 150285492 157441944 177122187 183682268 225428238 236162916 275523402 300570984 354244374 367364536 413285103 450856476 472325832 551046804 708488748 826570206 901712952 1102093608 1239855309 1416977496 1653140412 2479710618 3306280824 4959421236 9918842472
• Sum of all divisors σ(n): 34790400000
• Sum of proper divisors (its aliquot sum) s(n): 24871557528
• 9918842472 is an abundant number, because the sum of its proper divisors (24871557528) is greater than itself. Its abundance is 14952715056

Bases of 9918842472

• Binary: 1001001111001101011000011001101000₂
• Hexadecimal: 0x24F358668
• Base-36: 4K1F7U0

Squares and roots of 9918842472

• 9918842472 squared (9918842472²) is 98383435984351070784
• 9918842472 cubed (9918842472³) is 975849803382874528251017538048
• The square root of 9918842472 is 99593.3856839901
• The cube root of 9918842472 is 2148.5905651221

Scales and comparisons

• 9,918,842,472 seconds is equal to 315 years, 20 weeks, 1 day, 10 hours, 1 minute, 12 seconds.
• To count from 1 to 9,918,842,472 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 9918842472 cubic inches would be around 179 feet tall.

Recreational maths with 9918842472

• 9918842472 backwards is 2742488199
• 9918842472 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9918842472's digits is 54
• More coming soon!