145713869440

Names of 145713869440

• Cardinal: 145713869440 can be written as One hundred forty-five billion, seven hundred thirteen million, eight hundred sixty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.4571386944 × 10¹¹

Factors of 145713869440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 277

Divisors of 145713869440

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 79 80 128 158 160 191 316 320 382 395 632 640 764 790 955 1264 1528 1580 1910 2528 3056 3160 3820 5056 6112 6241 6320 7640 10112 12224 12482 12640 15089 15280 24448 24964 25280 30178 30560 31205 36481 49928 50560 60356 61120 62410 72962 75445 99856 120712 122240 124820 145924 150890 182405 199712 241424 249640 291848 301780 364810 399424 482848 499280 583696 603560 729620 798848 965696 998560 1167392 1192031 1207120 1459240 1931392 1997120 2334784 2384062 2414240 2881999 2918480 3994240 4669568 4768124 4828480 5763998 5836960 5960155 9536248 9656960 11527996 11673920 11920310 14409995 19072496 23055992 23347840 23840620 28819990 38144992 46111984 47681240 57639980 76289984 92223968 95362480 115279960 152579968 184447936 190724960 227677921 230559920 368895872 381449920 455355842 461119840 762899840 910711684 922239680 1138389605 1821423368 1844479360 2276779210 3642846736 4553558420 7285693472 9107116840 14571386944 18214233680 29142773888 36428467360 72856934720 145713869440
• Sum of all divisors σ(n): 354669350490
• Sum of proper divisors (its aliquot sum) s(n): 208955481050
• 145713869440 is an abundant number, because the sum of its proper divisors (208955481050) is greater than itself. Its abundance is 63241611610

Bases of 145713869440

• Binary: 10000111101101001110010011001010000000₂
• Hexadecimal: 0x21ED393280
• Base-36: 1UXU9X8G

Squares and roots of 145713869440

• 145713869440 squared (145713869440²) is 21232531747177365913600
• 145713869440 cubed (145713869440³) is 3093874358888857785257416720384000
• The square root of 145713869440 is 381724.8609142455
• The cube root of 145713869440 is 5262.1953160505

Scales and comparisons

• 145,713,869,440 seconds is equal to 4,633 years, 13 weeks, 2 hours, 50 minutes, 40 seconds.
• To count from 1 to 145,713,869,440 would take you about nine thousand, two hundred sixty-six 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 145713869440 cubic inches would be around 438.5 feet tall.

Recreational maths with 145713869440

• 145713869440 backwards is 044968317541
• The number of decimal digits it has is: 12
• The sum of 145713869440's digits is 52
• More coming soon!