30898989440

Names of 30898989440

• Cardinal: 30898989440 can be written as Thirty billion, eight hundred ninety-eight million, nine hundred eighty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 3.089898944 × 10¹⁰

Factors of 30898989440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4280

Divisors of 30898989440

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 320 352 440 640 704 880 1408 1741 1760 2521 3482 3520 5042 6964 7040 8705 10084 12605 13928 17410 19151 20168 25210 27731 27856 34820 38302 40336 50420 55462 55712 69640 76604 80672 95755 100840 110924 111424 138655 139280 153208 161344 191510 201680 221848 222848 277310 278560 306416 322688 383020 403360 443696 554620 557120 612832 766040 806720 887392 1109240 1114240 1225664 1532080 1613440 1774784 2218480 2451328 3064160 3549568 4389061 4436960 6128320 8778122 8873920 12256640 17556244 17747840 21945305 35112488 43890610 48279671 70224976 87781220 96559342 140449952 175562440 193118684 241398355 280899904 351124880 386237368 482796710 561799808 702249760 772474736 965593420 1404499520 1544949472 1931186840 2808999040 3089898944 3862373680 6179797888 7724747360 15449494720 30898989440
• Sum of all divisors σ(n): 80661428640
• Sum of proper divisors (its aliquot sum) s(n): 49762439200
• 30898989440 is an abundant number, because the sum of its proper divisors (49762439200) is greater than itself. Its abundance is 18863449760

Bases of 30898989440

• Binary: 11100110001101110010010100110000000₂
• Hexadecimal: 0x731B92980
• Base-36: E70GKU8

Squares and roots of 30898989440

• 30898989440 squared (30898989440²) is 954747548413231513600
• 30898989440 cubed (30898989440³) is 29500734416286329295001616384000
• The square root of 30898989440 is 175781.0838514771
• The cube root of 30898989440 is 3137.9649761711

Scales and comparisons

• 30,898,989,440 seconds is equal to 982 years, 25 weeks, 4 days, 4 hours, 37 minutes, 20 seconds.
• To count from 1 to 30,898,989,440 would take you about one thousand, nine hundred sixty-four 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 30898989440 cubic inches would be around 261.5 feet tall.

Recreational maths with 30898989440

• 30898989440 backwards is 04498989803
• The number of decimal digits it has is: 11
• The sum of 30898989440's digits is 62
• More coming soon!