30988995840

Names of 30988995840

• Cardinal: 30988995840 can be written as Thirty billion, nine hundred eighty-eight million, nine hundred ninety-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.098899584 × 10¹⁰

Factors of 30988995840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 244568

Divisors of 30988995840

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 128 132 144 160 165 176 180 192 198 220 240 256 264 288 320 330 352 360 384 396 440 480 495 528 576 640 660 704 720 768 792 880 960 990 1056 1152 1280 1320 1408 1440 1584 1760 1920 1980 2112 2304 2640 2816 2880 3168 3520 3840 3960 4224 5280 5760 6336 7040 7920 8448 10560 11520 12672 14080 15840 21120 25344 31680 42240 63360 126720 244547 489094 733641 978188 1222735 1467282 1956376 2200923 2445470 2690017 2934564 3668205 3912752 4401846 4890940 5380034 5869128 7336410 7825504 8070051 8803692 9781880 10760068 11004615 11738256 13450085 14672820 15651008 16140102 17607384 19563760 21520136 22009230 23476512 24210153 26900170 29345640 31302016 32280204 35214768 39127520 40350255 43040272 44018460 46953024 48420306 53800340 58691280 62604032 64560408 70429536 78255040 80700510 86080544 88036920 93906048 96840612 107600680 117382560 121050765 129120816 140859072 156510080 161401020 172161088 176073840 187812096 193681224 215201360 234765120 242101530 258241632 281718144 313020160 322802040 344322176 352147680 387362448 430402720 469530240 484203060 516483264 563436288 645604080 688644352 704295360 774724896 860805440 939060480 968406120 1032966528 1291208160 1408590720 1549449792 1721610880 1936812240 2065933056 2582416320 2817181440 3098899584 3443221760 3873624480 5164832640 6197799168 7747248960 10329665280 15494497920 30988995840
• Sum of all divisors σ(n): 116966330208
• Sum of proper divisors (its aliquot sum) s(n): 85977334368
• 30988995840 is an abundant number, because the sum of its proper divisors (85977334368) is greater than itself. Its abundance is 54988338528

Bases of 30988995840

• Binary: 11100110111000101101000110100000000₂
• Hexadecimal: 0x737168D00
• Base-36: E8I1Q80

Squares and roots of 30988995840

• 30988995840 squared (30988995840²) is 960317863171537305600
• 30988995840 cubed (30988995840³) is 29759286266900458769643208704000
• The square root of 30988995840 is 176036.9161284075
• The cube root of 30988995840 is 3141.0089067313

Scales and comparisons

• 30,988,995,840 seconds is equal to 985 years, 18 weeks, 2 days, 22 hours, 24 minutes.
• To count from 1 to 30,988,995,840 would take you about one thousand, nine 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 30988995840 cubic inches would be around 261.8 feet tall.

Recreational maths with 30988995840

• 30988995840 backwards is 04859988903
• The number of decimal digits it has is: 11
• The sum of 30988995840's digits is 63
• More coming soon!