8938428928

Names of 8938428928

• Cardinal: 8938428928 can be written as Eight billion, nine hundred thirty-eight million, four hundred twenty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 8.938428928 × 10⁹

Factors of 8938428928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 9417

Divisors of 8938428928

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 128 143 169 176 208 256 286 338 352 416 512 572 676 704 832 1144 1352 1408 1664 1859 2288 2704 2816 3328 3718 4576 5408 5632 6656 7436 9152 9391 10816 14872 18304 18782 21632 29744 36608 37564 43264 59488 73216 75128 86528 103301 118976 122083 150256 206602 237952 244166 300512 413204 475904 488332 601024 826408 951808 976664 1202048 1342913 1587079 1652816 1953328 2404096 2685826 3174158 3305632 3906656 4808192 5371652 6348316 6611264 7813312 10743304 12696632 13222528 15626624 17457869 21486608 25393264 26445056 31253248 34915738 42973216 50786528 52890112 62506496 69831476 85946432 101573056 139662952 171892864 203146112 279325904 343785728 406292224 558651808 687571456 812584448 1117303616 2234607232 4469214464 8938428928
• Sum of all divisors σ(n): 21099203136
• Sum of proper divisors (its aliquot sum) s(n): 12160774208
• 8938428928 is an abundant number, because the sum of its proper divisors (12160774208) is greater than itself. Its abundance is 3222345280

Bases of 8938428928

• Binary: 1000010100110001011001101000000000₂
• Hexadecimal: 0x214C59A00
• Base-36: 43TPJWG

Squares and roots of 8938428928

• 8938428928 squared (8938428928²) is 79895511700907229184
• 8938428928 cubed (8938428928³) is 714140353004751661182591434752
• The square root of 8938428928 is 94543.2648473703
• The cube root of 8938428928 is 2075.3295206487

Scales and comparisons

• 8,938,428,928 seconds is equal to 284 years, 11 weeks, 1 day, 55 minutes, 28 seconds.
• To count from 1 to 8,938,428,928 would take you about five hundred sixty-eight 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 8938428928 cubic inches would be around 172.9 feet tall.

Recreational maths with 8938428928

• 8938428928 backwards is 8298248398
• The number of decimal digits it has is: 10
• The sum of 8938428928's digits is 61
• More coming soon!