1230156720

Names of 1230156720

• Cardinal: 1230156720 can be written as One billion, two hundred thirty million, one hundred fifty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.23015672 × 10⁹

Factors of 1230156720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 899

Divisors of 1230156720

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 27 30 34 36 39 40 45 48 51 52 54 60 65 68 72 78 80 81 85 90 102 104 108 117 120 130 135 136 144 153 156 162 170 180 195 204 208 216 221 234 240 255 260 270 272 306 312 324 340 351 360 390 405 408 432 442 459 468 510 520 540 585 612 624 648 663 680 702 720 765 780 810 816 859 884 918 936 1020 1040 1053 1080 1105 1170 1224 1296 1326 1360 1377 1404 1530 1560 1620 1718 1755 1768 1836 1872 1989 2040 2106 2160 2210 2295 2340 2448 2577 2652 2754 2808 3060 3120 3240 3315 3436 3510 3536 3672 3978 4080 4212 4295 4420 4590 4680 5154 5265 5304 5508 5616 5967 6120 6480 6630 6872 6885 7020 7344 7731 7956 8424 8590 8840 9180 9360 9945 10308 10530 10608 11016 11167 11934 12240 12885 13260 13744 13770 14040 14603 15462 15912 16848 17180 17680 17901 18360 19890 20616 21060 22032 22334 23193 23868 25770 26520 27540 28080 29206 29835 30924 31824 33501 34360 35802 36720 38655 39780 41232 42120 43809 44668 46386 47736 51540 53040 55080 55835 58412 59670 61848 67002 68720 69579 71604 73015 77310 79560 84240 87618 89336 89505 92772 95472 100503 103080 110160 111670 115965 116824 119340 123696 131427 134004 139158 143208 146030 154620 159120 167505 175236 178672 179010 185544 189839 201006 206160 219045 223340 231930 233648 238680 262854 268008 278316 286416 292060 301509 309240 335010 347895 350472 358020 371088 379678 394281 402012 438090 446680 463860 477360 502515 525708 536016 556632 569517 584120 603018 618480 657135 670020 695790 700944 716040 759356 788562 804024 876180 893360 904527 927720 949195 1005030 1051416 1113264 1139034 1168240 1182843 1206036 1314270 1340040 1391580 1432080 1507545 1518712 1577124 1608048 1708551 1752360 1809054 1855440 1898390 1971405 2010060 2102832 2278068 2365686 2412072 2628540 2680080 2783160 2847585 3015090 3037424 3154248 3417102 3504720 3618108 3796780 3942810 4020120 4522635 4556136 4731372 4824144 5125653 5257080 5566320 5695170 5914215 6030180 6308496 6834204 7236216 7593560 7885620 8040240 8542755 9045270 9112272 9462744 10251306 10514160 11390340 11828430 12060360 13668408 14472432 15187120 15376959 15771240 17085510 18090540 18925488 20502612 22780680 23656860 24120720 25628265 27336816 30753918 31542480 34171020 36181080 41005224 45561360 47313720 51256530 61507836 68342040 72362160 76884795 82010448 94627440 102513060 123015672 136684080 153769590 205026120 246031344 307539180 410052240 615078360 1230156720
• Sum of all divisors σ(n): 4877500320
• Sum of proper divisors (its aliquot sum) s(n): 3647343600
• 1230156720 is an abundant number, because the sum of its proper divisors (3647343600) is greater than itself. Its abundance is 2417186880

Bases of 1230156720

• Binary: 1001001010100101011001110110000₂
• Hexadecimal: 0x4952B3B0
• Base-36: KCEJ00

Squares and roots of 1230156720

• 1230156720 squared (1230156720²) is 1513285555761158400
• 1230156720 cubed (1230156720³) is 1861578395698523720744448000
• The square root of 1230156720 is 35073.5900643205
• The cube root of 1230156720 is 1071.4867735241

Scales and comparisons

• 1,230,156,720 seconds is equal to 39 years, 5 weeks, 6 days, 22 hours, 12 minutes.
• To count from 1 to 1,230,156,720 would take you about seventy-eight 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 1230156720 cubic inches would be around 89.3 feet tall.

Recreational maths with 1230156720

• 1230156720 backwards is 0276510321
• 1230156720 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1230156720's digits is 27
• More coming soon!