61661039400
61,661,039,400 is an even composite number composed of five prime numbers multiplied together.
61661039400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 61661039400:
23 × 34 × 52 × 1392 × 197
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 139 × 139 × 197)See below for interesting mathematical facts about the number 61661039400 from the Numbermatics database.
Names of 61661039400
- Cardinal: 61661039400 can be written as Sixty-one billion, six hundred sixty-one million, thirty-nine thousand, four hundred.
Scientific notation
- Scientific notation: 6.16610394 × 1010
Factors of 61661039400
Divisors of 61661039400
- Number of divisors d(n): 360
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 81 90 100 108 120 135 139 150 162 180 197 200 216 225 270 278 300 324 360 394 405 417 450 540 556 591 600 648 675 695 788 810 834 900 985 1080 1112 1182 1251 1350 1390 1576 1620 1668 1773 1800 1970 2025 2085 2364 2502 2700 2780 2955 3240 3336 3475 3546 3753 3940 4050 4170 4728 4925 5004 5319 5400 5560 5910 6255 6950 7092 7506 7880 8100 8340 8865 9850 10008 10425 10638 11259 11820 12510 13900 14184 14775 15012 15957 16200 16680 17730 18765 19321 19700 20850 21276 22518 23640 25020 26595 27383 27800 29550 30024 31275 31914 35460 37530 38642 39400 41700 42552 44325 45036 50040 53190 54766 56295 57963 59100 62550 63828 70920 75060 77284 79785 82149 83400 88650 90072 93825 96605 106380 109532 112590 115926 118200 125100 127656 132975 136915 150120 154568 159570 164298 173889 177300 187650 193210 212760 219064 225180 231852 246447 250200 265950 273830 281475 289815 319140 328596 347778 354600 375300 386420 398925 410745 450360 463704 483025 492894 521667 531900 547660 562950 579630 638280 657192 684575 695556 739341 750600 772840 797850 821490 869445 966050 985788 1043334 1063800 1095320 1125900 1159260 1232235 1369150 1391112 1449075 1478682 1565001 1595700 1642980 1738890 1932100 1971576 2053725 2086668 2218023 2251800 2318520 2464470 2608335 2738300 2898150 2957364 3130002 3191400 3285960 3477780 3696705 3806237 3864200 4107450 4173336 4347225 4436046 4928940 5216670 5476600 5796300 5914728 6161175 6260004 6955560 7393410 7612474 7825005 8214900 8694450 8872092 9857880 10433340 11090115 11418711 11592600 12322350 12520008 13041675 14786820 15224948 15650010 16429800 17388900 17744184 18483525 19031185 20866680 22180230 22837422 24644700 26083350 29573640 30449896 31300020 34256133 34777800 36967050 38062370 39125025 44360460 45674844 49289400 52166700 55450575 57093555 62600040 68512266 73934100 76124740 78250050 88720920 91349688 95155925 102768399 104333400 110901150 114187110 137024532 147868200 152249480 156500100 171280665 190311850 205536798 221802300 228374220 274049064 285467775 308305197 313000200 342561330 380623700 411073596 443604600 456748440 513841995 570935550 616610394 685122660 761247400 822147192 856403325 1027683990 1141871100 1233220788 1370245320 1541525985 1712806650 2055367980 2283742200 2466441576 2569209975 3083051970 3425613300 4110735960 5138419950 6166103940 6851226600 7707629925 10276839900 12332207880 15415259850 20553679800 30830519700 61661039400
- Sum of all divisors σ(n): 216804686670
- Sum of proper divisors (its aliquot sum) s(n): 155143647270
- 61661039400 is an abundant number, because the sum of its proper divisors (155143647270) is greater than itself. Its abundance is 93482607870
Bases of 61661039400
- Binary: 1110010110110100100011001011001010002
- Hexadecimal: 0xE5B48CB28
- Base-36: SBRE2I0
Squares and roots of 61661039400
- 61661039400 squared (616610394002) is 3802083779888352360000
- 61661039400 cubed (616610394003) is 234440437753796622471042984000000
-
The
square root of 61661039400 is 248316.4098484027 -
The
cube root of 61661039400 is 3950.6656870909
Scales and comparisons
How big is 61661039400?- 61,661,039,400 seconds is equal to 1,960 years, 32 weeks, 5 days, 10 hours, 30 minutes.
-
To count from 1 to 61,661,039,400 would take you about three thousand, nine hundred twenty-one 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 61661039400 cubic inches would be around 329.2 feet tall.
Recreational maths with 61661039400
- 61661039400 backwards is 00493016616
- 61661039400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 61661039400's digits is 36
- More coming soon!
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