1215389340
1,215,389,340 is an even composite number composed of six prime numbers multiplied together.
1215389340 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 1215389340:
22 × 33 × 5 × 113 × 19 × 89
(2 × 2 × 3 × 3 × 3 × 5 × 11 × 11 × 11 × 19 × 89)See below for interesting mathematical facts about the number 1215389340 from the Numbermatics database.
Names of 1215389340
- Cardinal: 1215389340 can be written as One billion, two hundred fifteen million, three hundred eighty-nine thousand, three hundred forty.
Scientific notation
- Scientific notation: 1.21538934 × 109
Factors of 1215389340
Divisors of 1215389340
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 19 20 22 27 30 33 36 38 44 45 54 55 57 60 66 76 89 90 95 99 108 110 114 121 132 135 165 171 178 180 190 198 209 220 228 242 267 270 285 297 330 342 356 363 380 396 418 445 484 495 513 534 540 570 594 605 627 660 684 726 801 836 855 890 979 990 1026 1045 1068 1089 1140 1188 1210 1254 1331 1335 1452 1485 1602 1691 1710 1780 1815 1881 1958 1980 2052 2090 2178 2299 2403 2420 2508 2565 2662 2670 2937 2970 3135 3204 3267 3382 3420 3630 3762 3916 3993 4005 4180 4356 4598 4806 4895 5073 5130 5324 5340 5445 5643 5874 5940 6270 6534 6655 6764 6897 7260 7524 7986 8010 8455 8811 9196 9405 9612 9790 10146 10260 10769 10890 11286 11495 11748 11979 12015 12540 13068 13310 13794 14685 15219 15972 16020 16335 16910 17622 18601 18810 19580 19965 20292 20691 21538 21780 22572 22990 23958 24030 25289 25365 26433 26620 27588 28215 29370 30438 32307 32670 33820 34485 35244 35937 37202 37620 39930 41382 43076 44055 45657 45980 47916 48060 50578 50730 52866 53845 55803 56430 58740 59895 60876 62073 64614 65340 68970 71874 74404 75867 76095 79860 82764 88110 91314 93005 96921 101156 101460 103455 105732 107690 111606 112860 118459 119790 124146 126445 129228 132165 137940 143748 151734 152190 161535 167409 176220 179685 182628 186010 193842 204611 206910 215380 223212 227601 228285 236918 239580 248292 252890 264330 279015 290763 303468 304380 310365 323070 334818 355377 359370 372020 379335 387684 409222 413820 455202 456570 473836 484605 502227 505780 528660 558030 581526 592295 613833 620730 646140 669636 682803 710754 718740 758670 818444 837045 910404 913140 969210 1004454 1023055 1066131 1116060 1138005 1163052 1184590 1227666 1241460 1365606 1421508 1453815 1517340 1674090 1776885 1841499 1938420 2008908 2046110 2132262 2250721 2276010 2369180 2455332 2511135 2731212 2907630 3069165 3198393 3348180 3414015 3553770 3682998 4092220 4264524 4501442 4552020 5022270 5330655 5524497 5815260 6138330 6396786 6752163 6828030 7107540 7365996 9002884 9207495 10044540 10661310 11048994 11253605 12276660 12793572 13504326 13656060 15991965 18414990 20256489 21322620 22097988 22507210 27008652 27622485 31983930 33760815 36829980 40512978 45014420 55244970 60769467 63967860 67521630 81025956 101282445 110489940 121538934 135043260 202564890 243077868 303847335 405129780 607694670 1215389340
- Sum of all divisors σ(n): 4427136000
- Sum of proper divisors (its aliquot sum) s(n): 3211746660
- 1215389340 is an abundant number, because the sum of its proper divisors (3211746660) is greater than itself. Its abundance is 1996357320
Bases of 1215389340
- Binary: 10010000111000101011110100111002
- Hexadecimal: 0x48715E9C
- Base-36: K3M0F0
Squares and roots of 1215389340
- 1215389340 squared (12153893402) is 1477171247785635600
- 1215389340 cubed (12153893403) is 1795338187913160113364504000
-
The
square root of 1215389340 is 34862.4345105157 -
The
cube root of 1215389340 is 1067.1819578445
Scales and comparisons
How big is 1215389340?- 1,215,389,340 seconds is equal to 38 years, 33 weeks, 4 days, 9 minutes.
-
To count from 1 to 1,215,389,340 would take you about seventy-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 1215389340 cubic inches would be around 88.9 feet tall.
Recreational maths with 1215389340
- 1215389340 backwards is 0439835121
- 1215389340 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1215389340's digits is 36
- More coming soon!
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