61993139390

Names of 61993139390

• Cardinal: 61993139390 can be written as Sixty-one billion, nine hundred ninety-three million, one hundred thirty-nine thousand, three hundred ninety.

Scientific notation

• Scientific notation: 6.199313939 × 10¹⁰

Factors of 61993139390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 118

Divisors of 61993139390

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 5 7 10 13 14 19 26 31 35 38 41 49 62 65 70 82 91 95 98 130 133 155 169 182 190 205 217 245 247 266 287 310 338 403 410 434 455 490 494 533 574 589 637 665 779 806 845 910 931 961 1066 1085 1178 1183 1235 1271 1274 1330 1435 1519 1558 1690 1729 1862 1922 2009 2015 2170 2366 2470 2542 2665 2821 2870 2945 3038 3185 3211 3458 3731 3895 4018 4030 4123 4655 4805 5239 5330 5453 5642 5890 5915 6355 6370 6422 6727 6929 7462 7595 7657 7790 8246 8281 8645 8897 9310 9610 10045 10127 10478 10906 11830 12103 12493 12710 13454 13858 14105 15190 15314 16055 16523 16562 17290 17794 18259 18655 19747 20090 20254 20615 22477 24149 24206 24986 26117 26195 27265 28210 28861 32110 33046 33635 34645 36518 36673 37310 38171 38285 39401 39494 41230 41405 44485 44954 47089 48298 48503 50635 52234 52390 53599 54530 57722 60515 62279 62465 67270 69290 70889 73346 76342 76570 78802 82615 82810 87451 88970 91295 94178 97006 98735 99541 101270 107198 112385 115661 120745 121030 124558 124930 127813 130585 131651 141778 144305 157339 162409 165230 169043 174902 182590 183365 190855 197005 197470 199082 214799 224770 231322 235445 237367 241490 242515 255626 256711 261170 263302 267995 275807 288610 311395 313937 314678 324818 338086 339521 354445 366730 375193 381710 394010 429598 437255 470890 474734 485030 496223 497705 512213 513422 535990 551614 578305 612157 622790 627874 639065 658255 679042 696787 708890 748619 750386 786695 809627 812045 845215 874510 894691 921557 992446 995410 1024426 1073995 1136863 1156610 1183301 1186835 1224314 1278130 1283555 1316510 1379035 1393574 1497238 1503593 1569685 1573390 1619254 1624090 1661569 1690430 1697605 1789382 1843114 1875965 1930649 2147990 2197559 2273726 2366602 2373670 2481115 2561065 2567110 2758070 3007186 3060785 3085771 3139370 3323138 3395210 3483935 3585491 3743095 3751930 3861298 4048135 4081181 4395118 4473455 4607785 4877509 4962230 5122130 5240333 5684315 5916505 6121570 6171542 6450899 6658769 6967870 7170982 7486190 7517965 7958041 8096270 8162362 8307845 8946910 9215570 9653245 9732047 9755018 10480666 10525151 10987795 11368630 11630983 11833010 12901798 13317538 15035930 15382913 15428855 15916082 16615690 17927455 19306490 19464094 20405905 21050302 21600397 21975590 23261966 24387545 25098437 26201665 28568267 30765826 30857710 32254495 33293845 35854910 36682331 39790205 40811810 43200794 46611383 48660235 48775090 50196874 52403330 52625755 57136534 58154915 64508990 66587690 68124329 73364662 76914565 79580410 93222766 97320470 105251510 108001985 116309830 125492185 126516611 136248658 142841335 151202779 153829130 183411655 199977869 216003970 233056915 250984370 253033222 285682670 302405558 326279681 340621645 366823310 399955738 466113830 476870303 632583055 652559362 681243290 756013895 885616277 953740606 999889345 1265166110 1512027790 1631398405 1771232554 1999778690 2384351515 3262796810 4428081385 4768703030 6199313939 8856162770 12398627878 30996569695 61993139390
• Sum of all divisors σ(n): 156612702960
• Sum of proper divisors (its aliquot sum) s(n): 94619563570
• 61993139390 is an abundant number, because the sum of its proper divisors (94619563570) is greater than itself. Its abundance is 32626424180

Bases of 61993139390

• Binary: 111001101111000101000011110010111110₂
• Hexadecimal: 0xE6F143CBE
• Base-36: SH944HQ

Squares and roots of 61993139390

• 61993139390 squared (61993139390²) is 3843149331427969572100
• 61993139390 cubed (61993139390³) is 238248892199799425427873955019000
• The square root of 61993139390 is 248984.2151422455
• The cube root of 61993139390 is 3957.7456174633

Scales and comparisons

• 61,993,139,390 seconds is equal to 1,971 years, 9 weeks, 6 days, 4 hours, 29 minutes, 50 seconds.
• To count from 1 to 61,993,139,390 would take you about three thousand, nine hundred forty-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 61993139390 cubic inches would be around 329.8 feet tall.

Recreational maths with 61993139390

• 61993139390 backwards is 09393139916
• The number of decimal digits it has is: 11
• The sum of 61993139390's digits is 53
• More coming soon!