28007145672

Names of 28007145672

• Cardinal: 28007145672 can be written as Twenty-eight billion, seven million, one hundred forty-five thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.8007145672 × 10¹⁰

Factors of 28007145672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1241

Divisors of 28007145672

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 31 33 44 62 66 88 93 101 124 132 186 202 248 264 303 341 372 404 606 682 744 808 961 1023 1093 1111 1212 1364 1922 2046 2186 2222 2424 2728 2883 3131 3279 3333 3844 4092 4372 4444 5766 6262 6558 6666 7688 8184 8744 8888 9393 10571 11532 12023 12524 13116 13332 18786 21142 23064 24046 25048 26232 26664 31713 33883 34441 36069 37572 42284 48092 63426 67766 68882 72138 75144 84568 96184 97061 101649 103323 110393 126852 135532 137764 144276 194122 203298 206646 220786 253704 271064 275528 288552 291183 331179 372713 388244 406596 413292 441572 582366 662358 745426 776488 813192 826584 883144 1050373 1067671 1118139 1164732 1214323 1324716 1490852 2100746 2135342 2236278 2329464 2428646 2649432 2981704 3151119 3203013 3422183 3642969 4201492 4270684 4472556 4857292 6302238 6406026 6844366 7285938 8402984 8541368 8945112 9714584 10266549 11554103 12604476 12812052 13688732 14571876 20533098 23108206 25208952 25624104 27377464 29143752 34662309 37644013 41066196 46216412 69324618 75288026 82132392 92432824 106087673 112932039 138649236 150576052 212175346 225864078 277298472 301152104 318263019 424350692 451728156 636526038 848701384 903456312 1166964403 1273052076 2333928806 2546104152 3500893209 4667857612 7001786418 9335715224 14003572836 28007145672
• Sum of all divisors σ(n): 79780956480
• Sum of proper divisors (its aliquot sum) s(n): 51773810808
• 28007145672 is an abundant number, because the sum of its proper divisors (51773810808) is greater than itself. Its abundance is 23766665136

Bases of 28007145672

• Binary: 11010000101010110110010000011001000₂
• Hexadecimal: 0x6855B20C8
• Base-36: CV6QBWO

Squares and roots of 28007145672

• 28007145672 squared (28007145672²) is 784400208692628331584
• 28007145672 cubed (28007145672³) is 21968810910001642355227406504448
• The square root of 28007145672 is 167353.3557237499
• The cube root of 28007145672 is 3036.8472650093

Scales and comparisons

• 28,007,145,672 seconds is equal to 890 years, 28 weeks, 18 hours, 41 minutes, 12 seconds.
• To count from 1 to 28,007,145,672 would take you about one thousand, seven hundred eighty-one 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 28007145672 cubic inches would be around 253.1 feet tall.

Recreational maths with 28007145672

• 28007145672 backwards is 27654170082
• The number of decimal digits it has is: 11
• The sum of 28007145672's digits is 42
• More coming soon!