161142730840
161,142,730,840 is an even composite number composed of six prime numbers multiplied together.
161142730840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 161142730840:
23 × 5 × 74 × 13 × 19 × 6793
(2 × 2 × 2 × 5 × 7 × 7 × 7 × 7 × 13 × 19 × 6793)See below for interesting mathematical facts about the number 161142730840 from the Numbermatics database.
Names of 161142730840
- Cardinal: 161142730840 can be written as One hundred sixty-one billion, one hundred forty-two million, seven hundred thirty thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.6114273084 × 1011
Factors of 161142730840
Divisors of 161142730840
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 19 20 26 28 35 38 40 49 52 56 65 70 76 91 95 98 104 130 133 140 152 182 190 196 245 247 260 266 280 343 364 380 392 455 490 494 520 532 637 665 686 728 760 910 931 980 988 1064 1235 1274 1330 1372 1715 1729 1820 1862 1960 1976 2401 2470 2548 2660 2744 3185 3430 3458 3640 3724 4459 4655 4802 4940 5096 5320 6370 6517 6793 6860 6916 7448 8645 8918 9310 9604 9880 12005 12103 12740 13034 13586 13720 13832 17290 17836 18620 19208 22295 24010 24206 25480 26068 27172 31213 32585 33965 34580 35672 37240 44590 45619 47551 48020 48412 52136 54344 60515 62426 65170 67930 69160 84721 88309 89180 91238 95102 96040 96824 121030 124852 129067 130340 135860 156065 169442 176618 178360 182476 190204 228095 237755 242060 249704 258134 260680 271720 312130 332857 338884 353236 364952 380408 423605 441545 456190 475510 484120 516268 593047 618163 624260 645335 665714 677768 706472 847210 883090 903469 912380 951020 1032536 1186094 1236326 1248520 1290670 1331428 1664285 1677871 1694420 1766180 1806938 1824760 1902040 2329999 2372188 2472652 2581340 2662856 2965235 3090815 3328570 3355742 3388840 3532360 3613876 4327141 4517345 4659998 4744376 4945304 5162680 5930470 6181630 6324283 6657140 6711484 7227752 8389355 8654282 9034690 9319996 11649995 11745097 11860940 12363260 12648566 13314280 13422968 16309993 16778710 17308564 18069380 18639992 21635705 23299990 23490194 23721880 24726520 25297132 30289987 31621415 32619986 33557420 34617128 36138760 43271410 44269981 46599980 46980388 50594264 58725485 60579974 63242830 65239972 67114840 81549965 82215679 86542820 88539962 93199960 93960776 117450970 121159948 126485660 130479944 151449935 163099930 164431358 173085640 177079924 212029909 221349905 234901940 242319896 252971320 302899870 309889867 326199860 328862716 354159848 411078395 424059818 442699810 469803880 575509753 605799740 619779734 652399720 657725432 822156790 848119636 885399620 1060149545 1151019506 1211599480 1239559468 1549449335 1644313580 1696239272 1770799240 2120299090 2302039012 2479118936 2877548765 3098898670 3288627160 4028568271 4240598180 4604078024 5755097530 6197797340 8057136542 8481196360 11510195060 12395594680 16114273084 20142841355 23020390120 32228546168 40285682710 80571365420 161142730840
- Sum of all divisors σ(n): 479555848800
- Sum of proper divisors (its aliquot sum) s(n): 318413117960
- 161142730840 is an abundant number, because the sum of its proper divisors (318413117960) is greater than itself. Its abundance is 157270387120
Bases of 161142730840
- Binary: 100101100001001101101011110000010110002
- Hexadecimal: 0x2584DAF058
- Base-36: 22107YVS
Squares and roots of 161142730840
- 161142730840 squared (1611427308402) is 25966979702572687105600
- 161142730840 cubed (1611427308403) is 4184390020939413773793239456704000
-
The
square root of 161142730840 is 401425.8721607265 -
The
cube root of 161142730840 is 5441.7289554687
Scales and comparisons
How big is 161142730840?- 161,142,730,840 seconds is equal to 5,123 years, 43 weeks, 4 days, 21 hours, 40 minutes, 40 seconds.
-
To count from 1 to 161,142,730,840 would take you about ten thousand, two hundred forty-seven 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 161142730840 cubic inches would be around 453.5 feet tall.
Recreational maths with 161142730840
- 161142730840 backwards is 048037241161
- The number of decimal digits it has is: 12
- The sum of 161142730840's digits is 37
- More coming soon!
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