155397406670

Names of 155397406670

• Cardinal: 155397406670 can be written as One hundred fifty-five billion, three hundred ninety-seven million, four hundred six thousand, six hundred seventy.

Scientific notation

• Scientific notation: 1.5539740667 × 10¹¹

Factors of 155397406670

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 478

Divisors of 155397406670

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 10 11 22 31 37 55 61 62 74 110 122 155 185 305 310 331 341 370 407 610 662 671 682 814 1147 1342 1655 1705 1891 2035 2257 2294 3310 3355 3410 3641 3721 3782 4070 4514 5735 6710 7282 7442 9455 10261 11285 11470 12247 12617 18205 18605 18910 20191 20522 20801 22570 24494 24827 25234 36410 37210 40382 40931 41602 49654 51305 61235 63085 69967 81862 100955 102610 104005 112871 115351 122470 124135 126170 134717 137677 139934 201910 204655 208010 222101 225742 230702 248270 269434 275354 349835 379657 409310 444202 564355 576755 625921 673585 688385 699670 747067 759314 769637 1110505 1128710 1153510 1231651 1251842 1268861 1347170 1376770 1494134 1514447 1539274 1898285 2221010 2463302 2537722 3028894 3129605 3735335 3796570 3848185 4176227 4267987 6158255 6259210 6344305 6885131 7470670 7572235 7696370 8217737 8352454 8535974 12316510 12688610 13548161 13770262 15144470 16435474 20881135 21339935 23159077 27096322 34425655 38181181 41088685 41762270 42679870 45571087 46318154 46947857 67740805 68851310 76362362 82177370 91142174 93895714 115795385 135481610 190905905 227855435 231590770 234739285 254749847 381811810 419992991 455710870 469478570 501281957 509499694 839985982 1002563914 1273749235 1412703697 2099964955 2506409785 2547498470 2825407394 4199929910 5012819570 7063518485 14127036970 15539740667 31079481334 77698703335 155397406670
• Sum of all divisors σ(n): 329884379136
• Sum of proper divisors (its aliquot sum) s(n): 174486972466
• 155397406670 is an abundant number, because the sum of its proper divisors (174486972466) is greater than itself. Its abundance is 19089565796

Bases of 155397406670

• Binary: 10010000101110011010000011111111001110₂
• Hexadecimal: 0x242E683FCE
• Base-36: 1ZDZLQDQ

Squares and roots of 155397406670

• 155397406670 squared (155397406670²) is 24148353999761360488900
• 155397406670 cubed (155397406670³) is 3752591586912037218846063320963000
• The square root of 155397406670 is 394204.7775839355
• The cube root of 155397406670 is 5376.2722834405

Scales and comparisons

• 155,397,406,670 seconds is equal to 4,941 years, 8 weeks, 1 day, 2 hours, 17 minutes, 50 seconds.
• To count from 1 to 155,397,406,670 would take you about nine thousand, eight hundred eighty-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 155397406670 cubic inches would be around 448 feet tall.

Recreational maths with 155397406670

• 155397406670 backwards is 076604793551
• The number of decimal digits it has is: 12
• The sum of 155397406670's digits is 53
• More coming soon!