30745749440

Names of 30745749440

• Cardinal: 30745749440 can be written as Thirty billion, seven hundred forty-five million, seven hundred forty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 3.074574944 × 10¹⁰

Factors of 30745749440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 259044

Divisors of 30745749440

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 53 56 64 70 80 106 112 140 160 212 224 265 280 320 371 424 448 530 560 742 848 1060 1120 1484 1696 1855 2120 2240 2968 3392 3710 4240 5936 7420 8480 11872 14840 16960 23744 29680 59360 118720 258977 517954 1035908 1294885 1812839 2071816 2589770 3625678 4143632 5179540 7251356 8287264 9064195 10359080 13725781 14502712 16574528 18128390 20718160 27451562 29005424 36256780 41436320 54903124 58010848 68628905 72513560 82872640 96080467 109806248 116021696 137257810 145027120 192160934 219612496 274515620 290054240 384321868 439224992 480402335 549031240 580108480 768643736 878449984 960804670 1098062480 1537287472 1921609340 2196124960 3074574944 3843218680 4392249920 6149149888 7686437360 15372874720 30745749440
• Sum of all divisors σ(n): 85251413952
• Sum of proper divisors (its aliquot sum) s(n): 54505664512
• 30745749440 is an abundant number, because the sum of its proper divisors (54505664512) is greater than itself. Its abundance is 23759915072

Bases of 30745749440

• Binary: 11100101000100101101110011111000000₂
• Hexadecimal: 0x72896E7C0
• Base-36: E4H843K

Squares and roots of 30745749440

• 30745749440 squared (30745749440²) is 945301108627260313600
• 30745749440 cubed (30745749440³) is 29063991031207967955601424384000
• The square root of 30745749440 is 175344.6590004953
• The cube root of 30745749440 is 3132.7689176011

Scales and comparisons

• 30,745,749,440 seconds is equal to 977 years, 32 weeks, 1 day, 13 hours, 57 minutes, 20 seconds.
• To count from 1 to 30,745,749,440 would take you about one thousand, nine hundred fifty-five 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 30745749440 cubic inches would be around 261.1 feet tall.

Recreational maths with 30745749440

• 30745749440 backwards is 04494754703
• The number of decimal digits it has is: 11
• The sum of 30745749440's digits is 47
• More coming soon!