149891291680

Names of 149891291680

• Cardinal: 149891291680 can be written as One hundred forty-nine billion, eight hundred ninety-one million, two hundred ninety-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.4989129168 × 10¹¹

Factors of 149891291680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 673

Divisors of 149891291680

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 169 208 260 338 416 520 653 676 845 1040 1306 1352 1690 2080 2197 2612 2704 3265 3380 4394 5224 5408 6530 6760 8489 8788 10448 10985 13060 13520 16978 17576 20896 21970 26120 27040 33956 35152 42445 43940 52240 67912 70304 84890 87880 104480 110357 135824 169780 175760 220714 271648 339560 351520 426409 441428 551785 679120 852818 882856 1103570 1358240 1434641 1705636 1765712 2132045 2207140 2869282 3411272 3531424 4264090 4414280 5543317 5738564 6822544 7173205 8528180 8828560 11086634 11477128 13645088 14346410 17056360 17657120 22173268 22954256 27716585 28692820 34112720 44346536 45908512 55433170 57385640 68225440 72063121 88693072 110866340 114771280 144126242 177386144 221732680 229542560 288252484 360315605 443465360 576504968 720631210 886930720 936820573 1153009936 1441262420 1873641146 2306019872 2882524840 3747282292 4684102865 5765049680 7494564584 9368205730 11530099360 14989129168 18736411460 29978258336 37472822920 74945645840 149891291680
• Sum of all divisors σ(n): 384202957320
• Sum of proper divisors (its aliquot sum) s(n): 234311665640
• 149891291680 is an abundant number, because the sum of its proper divisors (234311665640) is greater than itself. Its abundance is 84420373960

Bases of 149891291680

• Binary: 10001011100110001101111001101000100000₂
• Hexadecimal: 0x22E6379A20
• Base-36: 1WUXEKV4

Squares and roots of 149891291680

• 149891291680 squared (149891291680²) is 22467399321498837222400
• 149891291680 cubed (149891291680³) is 3367667504989816304883599429632000
• The square root of 149891291680 is 387157.9673466633
• The cube root of 149891291680 is 5312.0089820729

Scales and comparisons

• 149,891,291,680 seconds is equal to 4,766 years, 4 weeks, 21 hours, 54 minutes, 40 seconds.
• To count from 1 to 149,891,291,680 would take you about nine thousand, five hundred thirty-two 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 149891291680 cubic inches would be around 442.7 feet tall.

Recreational maths with 149891291680

• 149891291680 backwards is 086192198941
• The number of decimal digits it has is: 12
• The sum of 149891291680's digits is 58
• More coming soon!