8972938728

Names of 8972938728

• Cardinal: 8972938728 can be written as Eight billion, nine hundred seventy-two million, nine hundred thirty-eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 8.972938728 × 10⁹

Factors of 8972938728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1050

Divisors of 8972938728

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 117 156 169 216 234 312 338 351 373 468 507 659 676 702 746 936 1014 1119 1318 1352 1404 1492 1521 1977 2028 2238 2636 2808 2984 3042 3357 3954 4056 4476 4563 4849 5272 5931 6084 6714 7908 8567 8952 9126 9698 10071 11862 12168 13428 14547 15816 17134 17793 18252 19396 20142 23724 25701 26856 29094 34268 35586 36504 38792 40284 43641 47448 51402 58188 63037 68536 71172 77103 80568 87282 102804 111371 116376 126074 130923 142344 154206 174564 189111 205608 222742 231309 245807 252148 261846 308412 334113 349128 378222 445484 462618 491614 504296 523692 567333 616824 668226 737421 756444 890968 925236 983228 1002339 1047384 1134666 1336452 1474842 1512888 1701999 1850472 1966456 2004678 2212263 2269332 2672904 2949684 3007017 3195491 3403998 4009356 4424526 4538664 5899368 6014034 6390982 6636789 6807996 8018712 8849052 9586473 12028068 12781964 13273578 13615992 17698104 19172946 24056136 25563928 26547156 28759419 38345892 41541383 53094312 57518838 76691784 83082766 86278257 115037676 124624149 166165532 172556514 230075352 249248298 332331064 345113028 373872447 498496596 690226056 747744894 996993192 1121617341 1495489788 2243234682 2990979576 4486469364 8972938728
• Sum of all divisors σ(n): 27103032000
• Sum of proper divisors (its aliquot sum) s(n): 18130093272
• 8972938728 is an abundant number, because the sum of its proper divisors (18130093272) is greater than itself. Its abundance is 9157154544

Bases of 8972938728

• Binary: 1000010110110101000010110111101000₂
• Hexadecimal: 0x216D42DE8
• Base-36: 44E97U0

Squares and roots of 8972938728

• 8972938728 squared (8972938728²) is 80513629416442257984
• 8972938728 cubed (8972938728³) is 722443863522634776640400804352
• The square root of 8972938728 is 94725.5970052445
• The cube root of 8972938728 is 2077.9969257925

Scales and comparisons

• 8,972,938,728 seconds is equal to 285 years, 16 weeks, 1 day, 10 hours, 58 minutes, 48 seconds.
• To count from 1 to 8,972,938,728 would take you about five hundred seventy 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 8972938728 cubic inches would be around 173.2 feet tall.

Recreational maths with 8972938728

• 8972938728 backwards is 8278392798
• The number of decimal digits it has is: 10
• The sum of 8972938728's digits is 63
• More coming soon!