28247792672

Names of 28247792672

• Cardinal: 28247792672 can be written as Twenty-eight billion, two hundred forty-seven million, seven hundred ninety-two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.8247792672 × 10¹⁰

Factors of 28247792672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 123

Divisors of 28247792672

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 8 11 16 22 32 37 44 73 74 88 121 146 148 176 242 292 296 352 407 484 584 592 803 814 968 1168 1184 1369 1606 1628 1936 2336 2701 2738 3212 3256 3872 4477 5329 5402 5476 6424 6512 8833 8954 10658 10804 10952 12848 13024 15059 17666 17908 21316 21608 21904 25696 29711 30118 35332 35816 42632 43216 43808 58619 59422 60236 70664 71632 85264 86432 99937 117238 118844 120472 141328 143264 165649 170528 197173 199874 234476 237688 240944 282656 326821 331298 394346 399748 468952 475376 481888 644809 653642 662596 788692 799496 937904 950752 1099307 1289618 1307284 1325192 1577384 1598992 1875808 2168903 2198614 2579236 2614568 2650384 3154768 3197984 4337806 4397228 5158472 5229136 5300768 6309536 7295401 8675612 8794456 10316944 10458272 12092377 14590802 17351224 17588912 20633888 23857933 24184754 29181604 34702448 35177824 47715866 48369508 58363208 69404896 80249411 95431732 96739016 116726416 160498822 190863464 193478032 233452832 320997644 381726928 386956064 641995288 763453856 882743521 1283990576 1765487042 2567981152 3530974084 7061948168 14123896336 28247792672
• Sum of all divisors σ(n): 63697333959
• Sum of proper divisors (its aliquot sum) s(n): 35449541287
• 28247792672 is an abundant number, because the sum of its proper divisors (35449541287) is greater than itself. Its abundance is 7201748615

Bases of 28247792672

• Binary: 11010010011101100110001110000100000₂
• Hexadecimal: 0x693B31C20
• Base-36: CZ608BK

Squares and roots of 28247792672

• 28247792672 squared (28247792672²) is 797937790840296899584
• 28247792672 cubed (28247792672³) is 22539981280810407482373235048448
• The square root of 28247792672 is 168070.7966066681
• The cube root of 28247792672 is 3045.5203492383

Scales and comparisons

• 28,247,792,672 seconds is equal to 898 years, 10 weeks, 1 hour, 4 minutes, 32 seconds.
• To count from 1 to 28,247,792,672 would take you about one thousand, seven hundred ninety-six 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 28247792672 cubic inches would be around 253.8 feet tall.

Recreational maths with 28247792672

• 28247792672 backwards is 27629774282
• The number of decimal digits it has is: 11
• The sum of 28247792672's digits is 56
• More coming soon!