30891238253798400

Names of 30891238253798400

• Cardinal: 30891238253798400 can be written as Thirty quadrillion, eight hundred ninety-one trillion, two hundred thirty-eight billion, two hundred fifty-three million, seven hundred ninety-eight thousand, four hundred.

Scientific notation

• Scientific notation: 3.08912382537984 × 10¹⁶

Factors of 30891238253798400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 134076554931

Divisors of 30891238253798400

• Number of divisors d(n): 198
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 192 200 225 240 256 288 300 320 360 384 400 450 480 512 576 600 640 720 768 800 900 960 1024 1152 1200 1280 1440 1536 1600 1800 1920 2304 2400 2560 2880 3072 3200 3600 3840 4608 4800 5120 5760 6400 7200 7680 9216 9600 11520 12800 14400 15360 19200 23040 25600 28800 38400 46080 57600 76800 115200 230400 134076554921 268153109842 402229664763 536306219684 670382774605 804459329526 1072612439368 1206688994289 1340765549210 1608918659052 2011148323815 2145224878736 2413377988578 2681531098420 3217837318104 3351913873025 4022296647630 4290449757472 4826755977156 5363062196840 6033444971445 6435674636208 6703827746050 8044593295260 8580899514944 9653511954312 10055741619075 10726124393680 12066889942890 12871349272416 13407655492100 16089186590520 17161799029888 19307023908624 20111483238150 21452248787360 24133779885780 25742698544832 26815310984200 30167224857225 32178373181040 34323598059776 38614047817248 40222966476300 42904497574720 48267559771560 51485397089664 53630621968400 60334449714450 64356746362080 68647196119552 77228095634496 80445932952600 85808995149440 96535119543120 102970794179328 107261243936800 120668899428900 128713492724160 137294392239104 154456191268992 160891865905200 171617990298880 193070239086240 205941588358656 214522487873600 241337798857800 257426985448320 308912382537984 321783731810400 343235980597760 386140478172480 411883176717312 429044975747200 482675597715600 514853970896640 617824765075968 643567463620800 686471961195520 772280956344960 858089951494400 965351195431200 1029707941793280 1235649530151936 1287134927241600 1544561912689920 1716179902988800 1930702390862400 2059415883586560 2574269854483200 3089123825379840 3432359805977600 3861404781724800 5148539708966400 6178247650759680 7722809563449600 10297079417932800 15445619126899200 30891238253798400
• Sum of all divisors σ(n): 110605247293909602
• Sum of proper divisors (its aliquot sum) s(n): 79714009040111202
• 30891238253798400 is an abundant number, because the sum of its proper divisors (79714009040111202) is greater than itself. Its abundance is 48822770786312802

Bases of 30891238253798400

• Binary: 1101101101111110110101011100010110010100010010000000000₂
• Hexadecimal: 0x6DBF6AE2CA2400
• Base-36: 8G612XW6BK0

Squares and roots of 30891238253798400

• 30891238253798400 squared (30891238253798400²) is 954268600852937621252027842560000
• 30891238253798400 cubed (30891238253798400³) is 29478538707066943123964453640718152477179904000000
• The square root of 30891238253798400 is 175759034.6292286621
• The cube root of 30891238253798400 is 313770.2562141997

Scales and comparisons

• 30,891,238,253,798,400 seconds is equal to 982,245,823 years, 31 weeks, 8 hours.
• To count from 1 to 30,891,238,253,798,400 would take you about two billion, nine hundred forty-six million, seven hundred thirty-seven thousand, four 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 30891238253798400 cubic inches would be around 26147.5 feet tall.

Recreational maths with 30891238253798400

• 30891238253798400 backwards is 00489735283219803
• 30891238253798400 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 30891238253798400's digits is 72
• More coming soon!